CN103353253A - Cooling tower group and water distribution device thereof - Google Patents
Cooling tower group and water distribution device thereof Download PDFInfo
- Publication number
- CN103353253A CN103353253A CN2013102574311A CN201310257431A CN103353253A CN 103353253 A CN103353253 A CN 103353253A CN 2013102574311 A CN2013102574311 A CN 2013102574311A CN 201310257431 A CN201310257431 A CN 201310257431A CN 103353253 A CN103353253 A CN 103353253A
- Authority
- CN
- China
- Prior art keywords
- water
- end chute
- knockout drum
- current stabilization
- launder
- 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.)
- Granted
Links
Images
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a water distribution device of a cooling tower group. The water distribution device comprises a first end launder provided with a plurality of launder outlets, a second end launder provided with a plurality of launder outlets, a first water distribution plate, a second water distribution plate and a steady flow water distributor, wherein the first water distribution plate is communicated with the plurality of launder outlets of the first end launder, and spraying holes are uniformly formed in the first water distribution plate; the second water distribution plate is communicated with the plurality of launder outlets of the second end launder, and spraying holes are uniformly formed in the second water distribution plate; two ports of the steady flow water distributor are communicated with a launder inlet of the first end launder and a launder inlet of the second end launder respectively; a water inlet which is communicated with a water inlet pipeline is formed in the top wall part of the steady flow water distributor, a wedge-shaped water distribution bulge provided with a symmetric structure is formed in the bottom of the inner side wall of the steady flow water distributor, and a symmetric line of the water inlet is located on the symmetric surface of the wedge-shaped water distribution bulge; and a water chute is formed in the bottom of the steady flow water distributor. According to the arrangement, the water distribution device of the cooling tower group can uniformly spray cooling water to each module. The invention further provides a cooling tower group comprising the water distribution device.
Description
Technical field
The present invention relates to the Equipment for Heating Processing technical field, relate to more specifically a kind of cooling tower group and division box thereof.
Background technology
In air-conditioning and the industrial cooling system conceptual design, owing to consider the most unfavorable processing condition, thermic load need be got maximum.But in actual use because season difference, terminal thermic load variation etc., system is in operation between the 20%-80% load most of the time, be energy-conservation and flexible adjustment, system all adopts the combination of multimode tower, the corresponding standard condition type selecting of modules tower is consisted of the cooling tower group and is become the cooling terminal by a plurality of modular tower.
In the but tower module combinations of the prior art system, the modules tower has two water inlets that are connected with the trickle parts of modular tower usually, and then by the cooling tower group that a plurality of modular tower form a lot of water inlets is arranged just.
Yet cooling tower group of the prior art comprises that trunk line and a plurality of branch are in trunk line and the branch pipe(tube) that is connected with the water inlet of modules tower.So, because hydraulic pressure is different in each branch pipe(tube), large near the pressure at water source, pressure away from the water source is little, causes the interior water yield inequality of trickle parts of modules tower, and flow is large nearby, flow is little at a distance, causes trickle to sow inequality, affects cooling tower overall thermal performance.
Therefore, how to solve the interior inhomogeneous problem of trickle of modules tower in the prior art, become those skilled in the art's important technological problems to be solved.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of division box of cooling tower group, its can be in the modules tower spraying cooling water equably.The present invention also provides a kind of cooling tower group that comprises above-mentioned division box.
The division box of a kind of cooling tower group provided by the invention comprises the first end chute with the outlet of a plurality of grooves, the second end chute with a plurality of grooves outlets, the first water distributing tray that is connected with a plurality of grooves outlets of described first end chute, exports the current stabilization water knockout drum that the second water distributing tray of being connected, two ports are connected with the groove entrance of the groove entrance of described first end chute and described the second end chute respectively with a plurality of grooves of described the second end chute; The top wall portion of described current stabilization water knockout drum is provided with the water inlet that is connected with inlet pipeline, and the madial wall bottom of described current stabilization water knockout drum is provided with the wedge-like with symmetrical structure and divides the water projection, and the line of symmetry of described water inlet is positioned at described wedge-like and divides on the plane of symmetry of water projection; The bottom of described current stabilization water knockout drum is provided with the guiding gutter identical with its bearing of trend.
Preferably, the outlet of the groove of described first end chute and described the second end chute is the rising along with water level, and flow becomes large variable-flow outlet gradually.
Preferably, described first end chute is connected with described the second end chute by the bypass groove.
Preferably, described first end chute and described the first water distributing tray phase clamping, described the second end chute and described the second water distributing tray phase clamping.
Preferably, the roof of described current stabilization water knockout drum is provided with lid, and the water inlet of described current stabilization water knockout drum is arranged at described lid.
Preferably, the water inlet of described current stabilization water knockout drum is connected with described inlet pipeline by the adpting flange that is arranged at described lid.
The present invention also provides a kind of cooling tower group, comprises as above each described division box.
The division box of a kind of cooling tower group provided by the invention comprises the first end chute with the outlet of a plurality of grooves, the second end chute with a plurality of grooves outlets, the first water distributing tray that is connected with a plurality of grooves outlets of described first end chute, exports the current stabilization water knockout drum that the second water distributing tray of being connected, two ports are connected with the groove entrance of the groove entrance of described first end chute and described the second end chute respectively with a plurality of grooves of described the second end chute; The top wall portion of described current stabilization water knockout drum is provided with the water inlet that is connected with inlet pipeline, and the madial wall bottom of described current stabilization water knockout drum is provided with the wedge-like with symmetrical structure and divides the water projection, and the line of symmetry of described water inlet is positioned at described wedge-like and divides on the plane of symmetry of water projection; The bottom of described current stabilization water knockout drum is provided with the guiding gutter identical with its bearing of trend.
So arrange, cooling water is sprayed into by the water inlet of the roof of current stabilization water knockout drum, the inboard diapire of current stabilization water knockout drum is provided with the wedge-like of the corresponding setting of water inlet and divides the water projection, the cooling water that sprays at first touches the top that wedge-like is divided the water projection, because wedge-like divides the water projection to have symmetrical structure, and the line of symmetry of the water inlet of current stabilization water knockout drum is positioned at the plane of symmetry that wedge-like is divided the water projection, and cooling water can be divided the water projection accurately to be divided into two parts current by wedge-like.Because it is larger to be divided into two-part flow impact energy, so the fluctuation of two parts current is larger, the present invention arranges guiding gutter by the inboard diapire at the current stabilization water knockout drum, and the larger current that fluctuate can flow along guiding gutter, and then has avoided the current fluctuation on shunting inhomogeneity impact.Two parts current that are split evenly flow into respectively in first end chute and the second end chute, current evenly distribute in first end chute and the second end chute, and then can enter equably in the first water distributing tray and the second water distributing tray, the first water distributing tray and the second water distributing tray all are provided with equally distributed spray apertures, and then can guarantee that the water yield that sprays in each modular tower is even, guaranteed the overall thermal performance of cooling tower group.
The present invention also provides a kind of cooling tower group, comprises above-mentioned division box.So arrange, cooling tower group provided by the invention, the water yield that its water distributing tray sprays in each modular tower is even, has guaranteed that the cooling tower group has preferably hot property.The derivation of the beneficial effect that the derivation of this beneficial effect and above-mentioned division box bring is substantially similar, so this paper repeats no more.
Description of drawings
Fig. 1 is division box structural representation in the specific embodiment of the invention;
Fig. 2 is C-C direction sectional structure schematic diagram among Fig. 1;
Fig. 3 is A section structure for amplifying schematic diagram among Fig. 1;
Fig. 4 is bypass groove schematic top plan view in the specific embodiment of the invention;
Fig. 5 is that schematic diagram is looked on a bypass groove left side in the specific embodiment of the invention;
Fig. 6 is the structural representation of the first water distributing tray and the second water distributing tray in the specific embodiment of the invention;
Fig. 7 is first end chute and the second end chute plan structure schematic diagram in the specific embodiment of the invention;
Fig. 8 is F-F direction sectional structure schematic diagram among Fig. 7;
Fig. 9 is B section structure for amplifying schematic diagram among Fig. 8;
Figure 10 is current stabilization water knockout drum plan structure schematic diagram in the specific embodiment of the invention;
Figure 11 is H-H direction sectional structure schematic diagram among Figure 10;
Figure 12 is E-E direction sectional structure schematic diagram among Figure 10;
Figure 13 is cover body structure schematic diagram in this specific embodiment;
Figure 14 is G-G direction sectional structure schematic diagram among Figure 13;
Among Fig. 1-Figure 14:
First end chute-11, the second end chute-12, the first water distributing tray-13, the second water distributing tray-14, groove outlet-15, bypass groove-16, clamping projection-17, draw-in groove-18, lid-19, adpting flange-20, inlet pipeline-21, wedge-like are divided water projection-22, guiding gutter-23, spray apertures-24.
The specific embodiment
This specific embodiment provides a kind of division box of cooling tower group, its can be in the modules tower spraying cooling water equably.This specific embodiment also provides a kind of cooling tower group that comprises above-mentioned division box.
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
Please refer to Fig. 1 to Figure 14, the division box of a kind of cooling tower group that this specific embodiment provides, comprise first end chute 11 and the second end chute 12, first end chute 11 and the second end chute 12 all have groove entrance and a plurality of groove outlet 15, and the division box of cooling tower also comprises with a plurality of grooves outlet 15 first water distributing trays 13 that are connected of first end chute 11, exports the current stabilization water knockout drum that 15 the second water distributing trays 14 that are connected, two ports are connected with the groove entrance of the groove entrance of first end chute 11 and the second end chute 12 respectively with a plurality of grooves of the second end chute 12.
Wherein, the top side wall of current stabilization water knockout drum is provided with the water inlet that is connected with inlet pipeline 21, and the madial wall bottom of current stabilization water knockout drum is provided with the wedge-like with symmetrical structure and divides water projection 22, and the line of symmetry of water inlet is positioned at wedge-like and divides on the plane of symmetry of water projection 22; The bottom of current stabilization water knockout drum is provided with the guiding gutter identical with its bearing of trend 23.
Need to prove, the wedge-like of current stabilization water knockout drum divides water projection 22 to have the inclined-plane of two symmetries, so arrange, cooling water is sprayed into by the water inlet of the roof of current stabilization water knockout drum, the inboard diapire of current stabilization water knockout drum is provided with the wedge-like of the corresponding setting of water inlet and divides water projection 22, the cooling water that sprays at first touches the top that wedge-like is divided the water projection, because wedge-like divides the water projection to have symmetrical structure, and the line of symmetry of the water inlet of current stabilization water knockout drum is positioned at the plane of symmetry that wedge-like is divided water projection 22, and cooling water can be divided the water projection accurately to be divided into two parts current by wedge-like.
Because it is larger to be divided into two-part flow impact energy, so the fluctuation of two parts current is larger, this specific embodiment arranges guiding gutter 23 by the inboard diapire at the current stabilization water knockout drum, the larger current that fluctuate can flow along guiding gutter 23, and then have avoided the current fluctuation on shunting inhomogeneity impact.Two parts current that are split evenly flow into respectively in first end chute 11 and the second end chute 12, current are in first end chute 11 and the 12 interior even distributions of the second end chute, and then can enter equably in the first water distributing tray 13 and the second water distributing tray 14, the first water distributing tray 13 and the second water distributing tray 14 all are provided with equally distributed spray apertures 24, and then can guarantee that the water yield that sprays in each modular tower is even, guaranteed the overall thermal performance of cooling tower group.In addition, the division box that this specific embodiment provides divides water by unified balance in the cooling tower group, has reduced number of tubes, has avoided the manifold pressure inequality on distributing the impact of the water yield.
In addition, by first end chute 11 and the second end chute 12 are set, shunting cooling water is afterwards flow in each water distributing tray equably in this specific embodiment.In order to make the cooling water in first end chute 11 and the second end chute 12 in the situation of variable-flow, also can flow to equably in each water distributing tray, can make the height of groove outlet 15 of first end chute 11 and the second end chute 12 greater than width, be about to the structure that delivery port is set to the vertical bar opening, because the groove outlet 15 of end chute is the vertical bar opening, when the liquid level of end chute is hanged down, the water-outlet area of its delivery port is also little, when the liquid level of end chute is high, its water-outlet area is just large, has effectively like this guaranteed that the water distribution under the variable-flow is even.
Because the present invention can be used as the one-level division box by the current stabilization water knockout drum that arranges, cooling water is assigned in first end chute 11 and the second end chute 12 equably, then by first end chute 11 and the second end chute 12 cooling water is distributed in the first water distributing tray 13 and the second water distributing tray 14 equably.
Contour in order to guarantee the water level in first end chute 11 and the second end chute 12, and then guarantee that the water yield in the first water distributing tray 13 and the second water distributing tray 14 equates that first end chute 11 can be connected with the second end chute 12 by bypass groove 16.
So, first end chute 11 and the second end chute 12 are connected by bypass groove 16, bypass groove 16 can be used as the secondary division box, after two parts current that are split evenly flow into respectively in first end chute 11 and the second end chute 12, carry out the secondary bypass by bypass groove 16, make current in first end chute 11 and the 12 interior even distributions of the second end chute, guarantee that the water level in first end chute 11 and the second end chute 12 is contour, current are again relatively even.
Because groove outlet 15 is vertical bar openings, it can filter some larger dirts, if the groove of first end chute 11 and the second end chute 12 outlet 15 has got clogged, clean for convenient, in this tool embodiment, first end chute 11 can with the 13 phase clampings of the first water distributing tray, but the second end chute 12 and the second also phase clamping of water distributing tray 14.For example, can in first end chute 11 and the second end chute 12, be provided with clamping projection 17, the first water distributing tray 13 and the second water distributing tray 14 are provided with draw-in groove 18, clamping projection 17 can be connected in the draw-in groove 18, so arrange, when needs clean, can directly first end chute 11 and the second end chute 12 be taken off, clean finish after again by clamping projection 17 with draw-in groove 18 is connected in the first water distributing tray 13 and the second water distributing tray 14 gets final product.
In addition, the division box in this specific embodiment, the roof of its current stabilization water knockout drum can be provided with lid 19, and the water inlet of current stabilization water knockout drum is arranged on the lid 19.Can be provided with one section oral siphon on the lid 19, the water inlet of current stabilization water knockout drum is the water inlet of oral siphon, oral siphon stretches into the inside of current stabilization water knockout drum, and come close to or in contact with the top that wedge-like is divided water projection 22, namely divided water projection 22 to shunt by wedge-like after the cooling water that sprays into is gone out by oral siphon, improved minute crystal's degree.
In order to improve the connection reliability of inlet pipeline 21 and current stabilization water knockout drum, the water inlet of current stabilization water knockout drum can be connected with inlet pipeline 21 by the adpting flange 20 that is arranged at lid 19.So arrange, Effective Raise the connection reliability between inlet pipeline 21 and the adpting flange 20.
This specific embodiment also provides a kind of cooling tower group, comprises above-mentioned division box.So arrange, the cooling tower group that this specific embodiment provides, the water yield that its water distributing tray sprays in each modular tower is even, has guaranteed that the cooling tower group has preferably hot property.The derivation of the beneficial effect that the derivation of this beneficial effect and above-mentioned division box bring is substantially similar, so this paper repeats no more.
More than a kind of air-conditioner provided by the present invention and exhaust apparatus thereof are described in detail, used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (7)
1. the division box of a cooling tower group, it is characterized in that, comprise the first end chute with the outlet of a plurality of grooves, the second end chute with a plurality of grooves outlets, be connected with a plurality of grooves outlets of described first end chute and evenly be provided with spray apertures the first water distributing tray, export the current stabilization water knockout drum that the second water distributing tray of being connected and evenly being provided with spray apertures, two ports are connected with the groove entrance of the groove entrance of described first end chute and described the second end chute respectively with a plurality of grooves of described the second end chute; The top wall portion of described current stabilization water knockout drum is provided with the water inlet that is connected with inlet pipeline, the madial wall bottom of described current stabilization water knockout drum is provided with the wedge-like with symmetrical structure and divides the water projection, and the line of symmetry of the water inlet of described current stabilization water knockout drum is positioned at described wedge-like and divides on the plane of symmetry of water projection; The bottom of described current stabilization water knockout drum is provided with the guiding gutter identical with its bearing of trend.
2. division box as claimed in claim 1 is characterized in that, the groove outlet of described first end chute and described the second end chute is the rising along with water level, and flow becomes large variable-flow outlet gradually.
3. division box as claimed in claim 2 is characterized in that, described first end chute is connected with described the second end chute by the bypass groove.
4. division box as claimed in claim 3 is characterized in that, described first end chute and described the first water distributing tray phase clamping, described the second end chute and described the second water distributing tray phase clamping.
5. division box as claimed in claim 1 is characterized in that, the roof of described current stabilization water knockout drum is provided with lid, and the water inlet of described current stabilization water knockout drum is arranged at described lid.
6. division box as claimed in claim 5 is characterized in that, the water inlet of described current stabilization water knockout drum is connected with described inlet pipeline by the adpting flange that is arranged at described lid.
7. a cooling tower group is characterized in that, comprises each described division box such as claim 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310257431.1A CN103353253B (en) | 2013-06-25 | 2013-06-25 | Cooling tower group and water distribution device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310257431.1A CN103353253B (en) | 2013-06-25 | 2013-06-25 | Cooling tower group and water distribution device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103353253A true CN103353253A (en) | 2013-10-16 |
| CN103353253B CN103353253B (en) | 2015-04-22 |
Family
ID=49309647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310257431.1A Active CN103353253B (en) | 2013-06-25 | 2013-06-25 | Cooling tower group and water distribution device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103353253B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103600047A (en) * | 2013-10-22 | 2014-02-26 | 内蒙古包钢钢联股份有限公司 | Continuous casting secondary cooling water spraying strip base pipe automatic water distributing device and machining method thereof |
| CN107655360A (en) * | 2017-10-27 | 2018-02-02 | 上海瀚显空调节能技术有限公司 | Cooling tower water-distributing device and cooling tower |
| CN108889785A (en) * | 2018-08-09 | 2018-11-27 | 中冶赛迪技术研究中心有限公司 | Spray equipment |
| CN111059921A (en) * | 2019-12-31 | 2020-04-24 | 宁波杭州湾新区祥源动力供应有限公司 | Multi-connecting-platform cooling tower |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2192051A (en) * | 1986-06-26 | 1987-12-31 | Dspie D Blagoev | Packing for cooling towers |
| WO2003049844A1 (en) * | 2001-12-12 | 2003-06-19 | Idalex Technologies, Inc. | Method and plate apparatus for dew point evaporative cooler |
| CN1557564A (en) * | 2004-01-17 | 2004-12-29 | 威海际高制冷空调设备有限公司 | Water distributing device |
| CN201193937Y (en) * | 2008-01-14 | 2009-02-11 | 江苏海鸥冷却塔股份有限公司 | Guiding screw atomized spray head |
| CN201974098U (en) * | 2011-03-19 | 2011-09-14 | 广东八达制药有限公司 | Energy-saving cooling tower |
-
2013
- 2013-06-25 CN CN201310257431.1A patent/CN103353253B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2192051A (en) * | 1986-06-26 | 1987-12-31 | Dspie D Blagoev | Packing for cooling towers |
| WO2003049844A1 (en) * | 2001-12-12 | 2003-06-19 | Idalex Technologies, Inc. | Method and plate apparatus for dew point evaporative cooler |
| CN1557564A (en) * | 2004-01-17 | 2004-12-29 | 威海际高制冷空调设备有限公司 | Water distributing device |
| CN201193937Y (en) * | 2008-01-14 | 2009-02-11 | 江苏海鸥冷却塔股份有限公司 | Guiding screw atomized spray head |
| CN201974098U (en) * | 2011-03-19 | 2011-09-14 | 广东八达制药有限公司 | Energy-saving cooling tower |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103600047A (en) * | 2013-10-22 | 2014-02-26 | 内蒙古包钢钢联股份有限公司 | Continuous casting secondary cooling water spraying strip base pipe automatic water distributing device and machining method thereof |
| CN103600047B (en) * | 2013-10-22 | 2016-06-01 | 内蒙古包钢钢联股份有限公司 | The even working method of the casting cooling twice Water spray bar automatic division box of base pipe |
| CN107655360A (en) * | 2017-10-27 | 2018-02-02 | 上海瀚显空调节能技术有限公司 | Cooling tower water-distributing device and cooling tower |
| CN108889785A (en) * | 2018-08-09 | 2018-11-27 | 中冶赛迪技术研究中心有限公司 | Spray equipment |
| CN111059921A (en) * | 2019-12-31 | 2020-04-24 | 宁波杭州湾新区祥源动力供应有限公司 | Multi-connecting-platform cooling tower |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103353253B (en) | 2015-04-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103353253A (en) | Cooling tower group and water distribution device thereof | |
| CN102049357B (en) | Slot nozzle cooling device | |
| CN203994659U (en) | Bushing type bellows sizing process units | |
| CN202028315U (en) | Horizontal type washing tank | |
| US6352084B1 (en) | Substrate treatment device | |
| CN103079687B (en) | For hot water dispensing system and the method for cooling tower | |
| CN204165444U (en) | A kind of cooling tower group and division box thereof | |
| CN203240953U (en) | Crossflow type cooling tower nozzle | |
| CN201862280U (en) | Distributor for plate type falling film evaporator | |
| CN202877008U (en) | Steel tube paint sprayer | |
| CN203945659U (en) | Bushing type bellows is shaped into covering device | |
| CN208898997U (en) | It is a kind of to flow feed flow spray equipment | |
| CN207581933U (en) | A kind of spray equipment of MOCVD device | |
| RU2011126182A (en) | DEVICE FOR DISTRIBUTION OF LIQUID, RESERVOIR, METHOD OF DISTRIBUTION OF LIQUID IN RESERVOIR | |
| CN105214840A (en) | A kind of wet electrical dust precipitator and spray system thereof | |
| CN205077012U (en) | Two electric field electro -desalting equipment upper portion electric field oil feed distribution apparatus of two oil feeds | |
| CN202860471U (en) | Special pressure-stabilizing distributor | |
| CN215336838U (en) | Water spraying and distributing device and humidifier | |
| CN203219868U (en) | High-efficiency grain drying tower | |
| CN219171642U (en) | Optical cable cooling water tank | |
| CN104524850A (en) | Novel washing water distributor | |
| CN216639012U (en) | Mainboard production sewage treatment device | |
| CN203741412U (en) | Atomic layer thin film deposition air inlet device | |
| CN214214511U (en) | Foam forming machine | |
| CN215586418U (en) | Reactor material distribution structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 200433, room 5, building 128, No. 303 Xiang Yin Road, Shanghai, Yangpu District Applicant after: SHANGHAI ACEC REFRIGERATION TECHNOLOGY CO., LTD. Address before: 200433, room 5, building 128, No. 303 Xiang Yin Road, Shanghai, Yangpu District Applicant before: Shanghai Yiyuan Energy Saving Technology Co., Ltd. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: SHANGHAI YIYUAN ENERGY SAVING TECHNOLOGY CO., LTD. TO: SHANGHAI ACEC COOLING TECHNOLOGY CO., LTD. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |