CN108613566A - A kind of internal-circulation type environment protection water cooling tower - Google Patents
A kind of internal-circulation type environment protection water cooling tower Download PDFInfo
- Publication number
- CN108613566A CN108613566A CN201810447965.3A CN201810447965A CN108613566A CN 108613566 A CN108613566 A CN 108613566A CN 201810447965 A CN201810447965 A CN 201810447965A CN 108613566 A CN108613566 A CN 108613566A
- Authority
- CN
- China
- Prior art keywords
- distributor
- water
- tower body
- internal
- environment protection
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F25/02—Component parts of trickle coolers for distributing, circulating, and accumulating liquid
- F28F25/06—Spray nozzles or spray pipes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a kind of internal-circulation type environment protection water cooling towers, including tower body, there is the open top closed up upwards at the top of the tower body, wind turbine is equipped in open top, distributor is equipped in the middle part of tower body inner height direction, the distributor is the tube body of inner hollow, is equipped with the water inlet pipe that distributor is connected in distributor top, the distributor bottom is equipped with multiple jet stream injection pipes；The present apparatus in distributor bottom by being arranged jet stream injection pipe, the anomalous water stream that can be sent into is assembled, it is sprayed after current stabilization, the water for being used in heat exchange is uniformly distributed, and pass through the setting of anti-water polo, the heat exchange area of hot gas and hot water can be greatly increased, and then improve heat exchanger effectiveness, pass through the collective effect of anti-water polo and top condensation net simultaneously, reduce the heat being discharged from the open top of tower body in vapor, heat is recycled to the greatest extent, and water can be recycled, it recycles, improve the utilization rate of cooling water, cost is saved.
Description
Technical field
The present invention relates to chemical industry equipment, specifically a kind of internal-circulation type environment protection water cooling tower.
Background technology
Water-cooling tower is common equipment in Chemical Manufacture, is to use water as circulating coolant, heat is absorbed from a system
Amount is emitted into air, to reduce the device of water temperature；It is to carry out cold and hot exchange after contacting with air flowing using water to generate that its is cold
Steam, steam volatilization take away heat and reach the principles such as evaporative heat loss, convection current heat transfer and radiant heat transfer to disperse industrial or refrigeration
The waste heat generated in air-conditioning reduces the evaporating radiator of water temperature, to ensure the normal operation of system.
Conventional water-cooling tower there is a problem of it is certain, since the hot gas amount generated when production is larger, to causing to use
Cooling water inflow is more, and heat exchange efficiency can not be effectively ensured when carrying out heat exchange in conventional spray mode, mostly due to interior
The structure of portion's sprinkling equipment is single and makes temperature-fall period there are certain temperature differences, and a large amount of hot steam is expelled directly out and can also
Cause the loss in vain of energy.
Invention content
It is mentioned above in the background art to solve the purpose of the present invention is to provide a kind of internal-circulation type environment protection water cooling tower
Problem.
To achieve the above object, the present invention provides the following technical solutions：
A kind of internal-circulation type environment protection water cooling tower, including tower body, the tower body top has the open top closed up upwards, at top
It is equipped with wind turbine in being open, distributor is equipped in the middle part of tower body inner height direction, the distributor is the tube body of inner hollow, is being divided
The water inlet pipe that distributor is connected is equipped at the top of cloth device, the distributor bottom is equipped with multiple jet stream injection pipes, the jet stream spray
Penetrate the jet segment that pipe includes steady flow segment and steady flow segment bottom that the section of catchmenting being connected with distributor, section of catchmenting are connect, described point
Be heat exchange area below cloth device, be equipped in the heat exchange area multiple vertical partition boards by heat exchange area be divided into it is multiple mutually
The cavity being isolated, is equipped with anti-water polo in each cavity, and the anti-water polo includes helping cold pipe and helping the hollow of cold tube top portion
Sphere is equipped with multiple air holes that Open Side Down on hollow sphere surface, and it is hatch frame to help cold pipe upper and lower ends；The heat
Air-spreading disk is equipped with below exchange area, the gas distribution disc main body is circular hollow disk body, is offered in air-spreading disk bottom surface for connecting
The air inlet for tapping into tracheae, is equipped with guide ring on the outside of air-spreading disk, and guide ring outer wall side is along the circumferential direction equipped with multiple
Gas outlet is diffluence room in the air-spreading disk, between guide ring and air inlet；The part that the water inlet pipe is located in tower body is in
" L " shape is equipped with top in tower body inner top and condenses net, and it is in downward closing in shape that top, which condenses net, and water inlet pipe is located at perpendicular in tower body
Straight section outer wall surface is bonded with top condensation net, and condensing side off the net at top is equipped with collection box, and the collection box is sleeved on into water
It is hatch frame on pipe vertical section outer wall, at the top of collection box, the outlet pipe stretched out outside tower body is equipped in collection box side.
Preferred embodiment as the present invention：It is described to catchment section and jet segment is horn-like structure, catchment section from top to bottom
Diameter is gradually reduced, and diameter gradually increases jet segment from top to bottom.
As further preferred embodiment of the invention：The ventilation mouth is oval spherical in 1/4.
As further preferred embodiment of the invention：The gas outlet is in 1/4 circular arc convex.
As further preferred embodiment of the invention：The top condensation net is metal mesh, and is applied in metal net surface
It is covered with anticorrosion material.
As further preferred embodiment of the invention：Set in the diffluence room there are six deflector, six deflectors with
Air inlet is the rounded distribution in the center of circle, and the deflector is in arc-shaped.
As further preferred embodiment of the invention：The tower body bottom is equipped with gathered trough, and gathered trough is in closing in downwards
Shape.
Compared with prior art, the beneficial effects of the invention are as follows：The present apparatus is sprayed by the way that jet stream is arranged in distributor bottom
Pipe, the anomalous water stream that can be sent into are assembled, are sprayed after current stabilization, and the water for being used in heat exchange is uniformly distributed, and is passed through
The setting of anti-water polo can greatly increase the heat exchange area of hot gas and hot water, and then improve heat exchanger effectiveness, while by anti-
The collective effect of water polo and top condensation net, reduces the heat being discharged from the open top of tower body in vapor, to the greatest extent
Heat is recycled, and water can be recycled, recycles, improves the utilization rate of cooling water, is saved
Cost.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the vertical view of air-spreading disk in the present invention.
Fig. 3 is the structural schematic diagram of anti-water polo in the present invention.
Fig. 4 is the structural schematic diagram of jet stream injection pipe in the present invention.
1- water inlet pipes in figure, 2- distributors, 3- jet stream injection pipes, 4- tower bodies, 5- partition boards, the anti-water polo of 6-, 7- gathered troughs, 8-
Air inlet pipe, 9- air-spreading disks, the tops 10- condense net, 11- open tops, 12- wind turbines, 13- air inlets, 14- diffluence room, 15- water conservancy diversion
Ring, the gas outlets 16-, 17- help cold pipe, 18- hollow spheres, 19- air holes, 20- steady flow segments, 21- jet segments, and 22- catchments section,
23- collection boxes, 24- outlet pipes.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig.1-4, in the embodiment of the present invention, a kind of internal-circulation type environment protection water cooling tower, including tower body 4, the tower body 4
Top has the open top 11 closed up upwards, and wind turbine 12 is equipped in open top 11, and the wind direction that wind turbine 12 generates is upward,
Distributor 2 is equipped in the middle part of 1 inner height direction of tower body, the distributor 2 is the tube body of inner hollow, is equipped at 2 top of distributor
The water inlet pipe 1 that distributor 2 is connected, 2 bottom of the distributor are equipped with multiple jet stream injection pipes 3, and the jet stream injection pipe 3 includes
The jet segment 21 of the steady flow segment 20 and steady flow segment bottom that are connect with section 22 of catchmenting, the section of catchmenting 22 that distributor 2 is connected, the collection
Water section 22 and jet segment 21 are horn-like structure, and diameter is gradually reduced section of catchmenting 22 from top to bottom, and jet segment 21 is from top to bottom
Diameter gradually increases, and 2 lower section of the distributor is heat exchange area, and multiple vertical partition boards 5 are equipped in the heat exchange area
Heat exchange area is divided into multiple cavitys being mutually isolated, anti-water polo 6 is equipped in each cavity, the anti-water polo 6 includes
It helps cold pipe 17 and helps the hollow sphere 18 at 17 top of cold pipe, multiple air holes that Open Side Down are equipped on 18 surface of hollow sphere
19, the ventilation mouth 19 is oval spherical in 1/4, and it is hatch frame to help 17 upper and lower ends of cold pipe；Below the heat exchange area
Equipped with air-spreading disk 9,9 main body of the air-spreading disk is circular hollow disk body, is offered in 9 bottom surface of air-spreading disk for connecting air inlet pipe 8
Air inlet 13, be equipped with guide ring 15 in the outside of air-spreading disk 9,15 outer wall side of the guide ring be along the circumferential direction equipped with it is multiple go out
Gas port 16, the gas outlet 16 are in 1/4 circular arc convex, in the air-spreading disk 9, between guide ring 15 and air inlet 13 be shunting
Room 14 is set in the diffluence room 14 there are six deflector, six deflectors with air inlet 13 for the rounded distribution in the center of circle, it is described to lead
Flowing plate is in arc-shaped；Hot gas is after air inlet pipe 8 enters in air-spreading disk 9, by after the guiding role of diffluence room 14 and guide ring 15,
Rising in spiral shape when being sprayed from gas outlet 16, and then ensure that hot gas is uniformly distributed in tower body 4, heat is passed through by water inlet pipe 1
Water, hot water are distributed to each jet ejectors 3 under the action of distributor 2, are assembled through jet ejectors 3, are sprayed after current stabilization
In directive heat exchange area, anti-water polo 6 is passed through when hot gas rises, is sprayed with 18 outer surface of hollow sphere in hollow sphere 18
Hot water carry out sufficient heat exchange, the vapor of generation sprays the condensed water edge continued to rise, and generated by gas outlet 16
It helps cold pipe 17 to glide, secondary heat exchange can be carried out during condensed water glides, substantially increases heat exchange efficiency；The tower body
4 bottoms are equipped with gathered trough 7, and gathered trough 7 is in downward closing in shape, and the condensed water for completing sufficient heat exchange is received by gathered trough 7
Collection；
The water inlet pipe 1 be located at it is a part of L-shaped in tower body 4,4 inner top of tower body be equipped with top condense net 10, it is described
It is metal mesh that top, which condenses net 10, and is coated with anticorrosion material in metal net surface, and it is in downward closing in shape that top, which condenses net 10,
Water inlet pipe 1 is located at the vertical section outer wall surface in tower body 4 and is bonded with top condensation net 10, is equipped with and receives below top condensation net 10
Collect box 23, the collection box 23 is sleeved on 1 vertical section outer wall of water inlet pipe, and 23 top of collection box is hatch frame, in collection box
23 sides are equipped with the outlet pipe 24 stretched out outside tower body 4；The wind that the vapor generated after heat exchange is generated by wind turbine 12
Rise, cooled down again with the top condensation touching of net 10 in uphill process, generates droplet and collect on top condensation net 10,
And along top, condensation net 10 glides under the effect of gravity, is collected by collection box 23.
The present invention operation principle be：The present apparatus can be sent by the way that jet stream injection pipe 3 is arranged in 2 bottom of distributor
Anomalous water stream is assembled, is sprayed after current stabilization, and the water for being used in heat exchange is uniformly distributed, and by the setting of anti-water polo 6,
The heat exchange area of hot gas and hot water can be greatly increased, and then improves heat exchanger effectiveness, while is cold by anti-water polo 6 and top
The collective effect of solidifying net 10 reduces the heat being discharged from the open top 11 of tower body 4 in vapor, to the greatest extent to heat into
Row recycles, and can be recycled to water, recycles, improves the utilization rate of cooling water, saved cost.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (7)
1. a kind of internal-circulation type environment protection water cooling tower, including tower body, which is characterized in that have the top closed up upwards at the top of the tower body
Portion is open, and wind turbine is equipped in open top, and distributor is equipped in the middle part of tower body inner height direction, and the distributor is in inside
Empty tube body is equipped with the water inlet pipe that distributor is connected in distributor top, and the distributor bottom is sprayed equipped with multiple jet streams
Pipe, the jet stream injection pipe include the steady flow segment and steady flow segment bottom that the section of catchmenting being connected with distributor, section of catchmenting are connect
Jet segment, the distributor lower section are heat exchange area, and multiple vertical partition boards are equipped in the heat exchange area by heat exchange
Region is divided into multiple cavitys being mutually isolated, and anti-water polo is equipped in each cavity, and the anti-water polo includes helping cold pipe and helping
The hollow sphere in cold tube top portion is equipped with multiple air holes that Open Side Down on hollow sphere surface, helps the cold pipe upper and lower ends to be
Hatch frame；Air-spreading disk is equipped with below the heat exchange area, the gas distribution disc main body is circular hollow disk body, at air-spreading disk bottom
Face offers the air inlet for connecting air inlet pipe, guide ring is equipped on the outside of air-spreading disk, guide ring outer wall side is along circle
Circumferential direction is equipped with multiple gas outlets, is diffluence room in the air-spreading disk, between guide ring and air inlet；The water inlet pipe is located at tower
Internal is a part of L-shaped, and being equipped with top in tower body inner top condenses net, and it is in downward closing in shape, water inlet pipe that top, which condenses net,
Vertical section outer wall surface in tower body is bonded with top condensation net, and condensing side off the net at top is equipped with collection box, the receipts
Collection box is sleeved on water inlet pipe vertical section outer wall, is hatch frame at the top of collection box, is equipped with and is stretched out outside tower body in collection box side
The outlet pipe in portion.
2. a kind of internal-circulation type environment protection water cooling tower according to claim 1, which is characterized in that section and the jet segment of catchmenting
It is horn-like structure, diameter is gradually reduced section of catchmenting from top to bottom, and diameter gradually increases jet segment from top to bottom.
3. a kind of internal-circulation type environment protection water cooling tower according to claim 1, which is characterized in that the ventilation mouth is ellipse in 1/4
Spherical shape.
4. a kind of internal-circulation type environment protection water cooling tower according to claim 1, which is characterized in that the gas outlet is in 1/4 circle
Arc convex.
5. a kind of internal-circulation type environment protection water cooling tower according to claim 1, which is characterized in that the top condensation net is gold
Belong to net, and anticorrosion material is coated in metal net surface.
6. a kind of internal-circulation type environment protection water cooling tower according to claim 1, which is characterized in that be equipped with six in the diffluence room
A deflector, for six deflectors using air inlet as the rounded distribution in the center of circle, the deflector is in arc-shaped.
7. a kind of internal-circulation type environment protection water cooling tower according to claim 1, which is characterized in that the tower body bottom is equipped with poly-
Collect slot, gathered trough is in downward closing in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810447965.3A CN108613566A (en) | 2018-05-11 | 2018-05-11 | A kind of internal-circulation type environment protection water cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810447965.3A CN108613566A (en) | 2018-05-11 | 2018-05-11 | A kind of internal-circulation type environment protection water cooling tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108613566A true CN108613566A (en) | 2018-10-02 |
Family
ID=63662742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810447965.3A Pending CN108613566A (en) | 2018-05-11 | 2018-05-11 | A kind of internal-circulation type environment protection water cooling tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108613566A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113295021A (en) * | 2021-03-24 | 2021-08-24 | 湖州市中跃化纤有限公司 | Energy-saving cooling tower |
| CN115444278A (en) * | 2022-10-17 | 2022-12-09 | 常州品之道电子科技有限公司 | Liquid heat exchange device for making iced drinks and method for making iced coffee |
| CN115790247A (en) * | 2023-01-06 | 2023-03-14 | 中国核动力研究设计院 | Flow equalizing part and heat exchange device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2622649Y (en) * | 2003-05-15 | 2004-06-30 | 靳国行 | Ground energy cooling tower |
| CN2665642Y (en) * | 2003-08-28 | 2004-12-22 | 王淼 | Stripping, cooling device for vertical pipe bundle |
| CN2908813Y (en) * | 2006-04-13 | 2007-06-06 | 中国科学院工程热物理研究所 | Cyclone spray humidification tower |
| CN101251341A (en) * | 2008-03-27 | 2008-08-27 | 陈向阳 | Hydropower self-cooling cooling tower |
| CN201637292U (en) * | 2010-04-27 | 2010-11-17 | 李桂琴 | Multichannel air intake spray cooling tower |
| CN103090691A (en) * | 2011-11-05 | 2013-05-08 | 海门市大生水处理设备（厂）有限公司 | Energy-saving low-noise counter flow cooling tower |
| CN103245212A (en) * | 2012-02-02 | 2013-08-14 | 海门市大生水处理设备（厂）有限公司 | Energy-saving cooling tower |
| CN203857834U (en) * | 2014-05-26 | 2014-10-01 | 吴小江 | Efficient filling-free cooling tower |
| CN207066173U (en) * | 2017-07-19 | 2018-03-02 | 江山万钢机械有限公司 | A kind of environment-friendly highly efficient cooling tower |
-
2018
- 2018-05-11 CN CN201810447965.3A patent/CN108613566A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2622649Y (en) * | 2003-05-15 | 2004-06-30 | 靳国行 | Ground energy cooling tower |
| CN2665642Y (en) * | 2003-08-28 | 2004-12-22 | 王淼 | Stripping, cooling device for vertical pipe bundle |
| CN2908813Y (en) * | 2006-04-13 | 2007-06-06 | 中国科学院工程热物理研究所 | Cyclone spray humidification tower |
| CN101251341A (en) * | 2008-03-27 | 2008-08-27 | 陈向阳 | Hydropower self-cooling cooling tower |
| CN201637292U (en) * | 2010-04-27 | 2010-11-17 | 李桂琴 | Multichannel air intake spray cooling tower |
| CN103090691A (en) * | 2011-11-05 | 2013-05-08 | 海门市大生水处理设备（厂）有限公司 | Energy-saving low-noise counter flow cooling tower |
| CN103245212A (en) * | 2012-02-02 | 2013-08-14 | 海门市大生水处理设备（厂）有限公司 | Energy-saving cooling tower |
| CN203857834U (en) * | 2014-05-26 | 2014-10-01 | 吴小江 | Efficient filling-free cooling tower |
| CN207066173U (en) * | 2017-07-19 | 2018-03-02 | 江山万钢机械有限公司 | A kind of environment-friendly highly efficient cooling tower |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113295021A (en) * | 2021-03-24 | 2021-08-24 | 湖州市中跃化纤有限公司 | Energy-saving cooling tower |
| CN115444278A (en) * | 2022-10-17 | 2022-12-09 | 常州品之道电子科技有限公司 | Liquid heat exchange device for making iced drinks and method for making iced coffee |
| CN115444278B (en) * | 2022-10-17 | 2024-08-06 | 常州品之道电子科技有限公司 | Liquid heat exchange device for making ice beverage and making method of ice coffee |
| CN115790247A (en) * | 2023-01-06 | 2023-03-14 | 中国核动力研究设计院 | Flow equalizing part and heat exchange device |
| CN115790247B (en) * | 2023-01-06 | 2023-04-21 | 中国核动力研究设计院 | Flow equalizing component and heat exchange device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105258549B (en) | A kind of water circulation evaporation and heat-exchange cooling condenser | |
| CN108613566A (en) | A kind of internal-circulation type environment protection water cooling tower | |
| CN209371842U (en) | A kind of closed cooling tower | |
| CN107976087A (en) | Adverse current no-arbitrary pricing double-curve cooling column | |
| CN207703026U (en) | A kind of reverse-flow cooling tower geomantic omen matching enhanced heat exchange system | |
| CN104501624B (en) | Evaporative type cooler and surface-type condensing system united power plant cooling system | |
| RU2582031C1 (en) | Aerodynamic cooling tower with external heat exchange | |
| RU2672541C1 (en) | Tower-shaped evaporative cooling tower with different areas of heat exchange and aerodynamics | |
| CN110108150A (en) | A kind of air inlet water distribution topological structure device improving the cold effect of jet stream spray tower | |
| RU2306513C1 (en) | Combination cooling tower | |
| CN208936806U (en) | The circulating water cooling tower of steam recycling | |
| CN208187174U (en) | A kind of atomizing type cooling column | |
| CN109569172A (en) | A kind of self-loopa flue gas takes off white device | |
| CN205878949U (en) | Power plant of solar drive uses composite cooling tower | |
| CN212431833U (en) | Closed cooling tower capable of eliminating saturated air at air outlet | |
| CN208042815U (en) | A kind of cooling tower | |
| CN203177683U (en) | Spraying mass transfer type condenser | |
| CN210036412U (en) | Air inlet and water distribution topological structure device for improving cold effect of jet spray tower | |
| CN208458534U (en) | A kind of power plant's humidification type double-curve cooling column | |
| CN207556316U (en) | A kind of cooling tower for Chemical Manufacture | |
| CN204421686U (en) | The cooling device that the evaporative cooling being applicable to power plant is combined with surperficial condensing | |
| CN209416091U (en) | A kind of cooling equipment of condensation | |
| RU2674857C1 (en) | Combined ejection-tower cooling tower | |
| CN207395512U (en) | A kind of cross-current type fast cooling tower | |
| CN207280228U (en) | A kind of water cooling tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181002 |
|
| RJ01 | Rejection of invention patent application after publication |