CN112171372A - Main shaft cooling device for numerical control machine tool - Google Patents
Main shaft cooling device for numerical control machine tool Download PDFInfo
- Publication number
- CN112171372A CN112171372A CN202010982570.0A CN202010982570A CN112171372A CN 112171372 A CN112171372 A CN 112171372A CN 202010982570 A CN202010982570 A CN 202010982570A CN 112171372 A CN112171372 A CN 112171372A
- Authority
- CN
- China
- Prior art keywords
- main shaft
- numerical control
- control machine
- fixed
- cooling
- 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.)
- Withdrawn
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/12—Arrangements for cooling or lubricating parts of the machine
- B23Q11/126—Arrangements for cooling or lubricating parts of the machine for cooling only
- B23Q11/127—Arrangements for cooling or lubricating parts of the machine for cooling only for cooling motors or spindles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Abstract
The invention belongs to the technical field of numerical control, in particular to a spindle cooling device for a numerical control machine tool, and aims at solving the problems of poor spindle cooling effect and low use efficiency of a cold source in the prior art. According to the invention, the heat exchanger is fully contacted with the main shaft for heat exchange through the limiting and flow guiding of the limiting part, hot steam is upwards extruded by matching with the air pipe to blow air from the middle position, and heat is dispersed to the periphery, so that the actual cooling effect on the main shaft is improved, and the actual utilization effect on a cooling source is improved.
Description
Technical Field
The invention relates to the technical field of numerical control, in particular to a spindle cooling device for a numerical control machine tool.
Background
Numerical control is short for numerical control, numerical control technology is a method for controlling mechanical motion and machining process by utilizing digital information, an early numerical control system is a hardware numerical control system formed by a hardware circuit, the hardware circuit elements are gradually replaced by special computers and are called a computer numerical control system, the numerical control machine is a part of numerical control system application, wherein a machine tool spindle is a main part of a driving mechanism in the numerical control machine.
The main shaft of digit control machine tool can tell rotatoryly at the actual work in-process, the digit control main shaft can produce a large amount of heats at high-speed rotation and frictional in-process, long-time work can lead to the main shaft to warp and or influence operating condition because heat conduction, often directly cool off the operation to the main shaft through the mode that sprays cooling liquid among the prior art, but often because the high-speed rotation of main shaft causes the hitting of cooling liquid to fly away and the steam that the heat exchange produced is filled in near the main shaft among the prior art, and lead to the fact to the cooling effect of main shaft poor and the availability factor of cold source low.
Disclosure of Invention
The invention provides a spindle cooling device for a numerical control machine tool based on the technical problems of poor spindle cooling effect and low cold source use efficiency in the prior art.
The invention provides a main shaft cooling device for a numerical control machine tool, which comprises a cooling box, wherein a main shaft is rotatably connected at the middle position between two sides of the cooling box, a cover plate is fixed at the top of the cooling box, spray heads which are distributed equidistantly in the horizontal direction are fixed at the top of the cover plate, a liquid discharge pipe is fixed at the bottom end of the cooling box, limiting parts with arc structures are fixed at two ends of the main shaft between the inner walls of the two sides of the cooling box, the middle position of each limiting part is arranged to be arched towards one end far away from the main shaft, a flow guide part with an arc structure is fixed at the top end of each limiting part, the flow guide part inclines upwards towards one end far away from the main shaft, the middle position of each flow guide part is arched towards one end near the main shaft, and exhaust pipes which are distributed.
Preferably, the outer wall of one end of the limiting part is provided with penetrating grooves which are distributed at equal intervals in the horizontal direction, air pipes extending out of the cooling box are fixed at the middle positions of the penetrating grooves, and air outlet pipes which are distributed at equal intervals are fixed at the positions, corresponding to the flow guide parts, of the outer walls of the two ends of the cooling box.
Preferably, the middle position of the through groove is provided with a connecting part, the connecting part is arranged to be a round hole-shaped structure, and the outer wall of the air pipe is fixedly connected with the inner wall of the connecting part.
Preferably, the top end and the bottom end of the connecting portion are both provided with a flow guide portion, and the width of the flow guide portion gradually decreases along with the increase of the distance from the connecting portion.
Preferably, one end of the flow guide part, which is far away from the connecting part, is provided as an auxiliary part, and the auxiliary part is arched towards one end close to the connecting part.
Preferably, a filter screen plate which is obliquely arranged is fixed at the bottom between the inner walls of the two ends of the cooling box, the filter screen plate inclines downwards towards one end far away from the liquid discharge pipe, a partition plate is fixed at the bottom of the filter screen plate at one end of the cooling box close to the liquid discharge pipe, the partition plate and the filter screen plate are in the same inclination direction, and a gap is reserved between one end of the partition plate far away from the liquid discharge pipe and the inner wall of the cooling box.
Preferably, the top outer wall of the partition board is fixed with radiating fins distributed at equal intervals, the middle positions of the radiating fins are arranged to arch towards one end close to the liquid discharge pipe, and the radiating fins on the partition board are distributed at intervals.
Preferably, the outer wall of one end of each radiating fin is located at the top and the bottom of the partition plate, a plurality of dispersing grooves penetrating the dispersing grooves are formed in the outer wall of one end of each radiating fin, the dispersing grooves located at the top and the bottom of the partition plate are distributed at intervals, and the dispersing grooves between every two adjacent radiating fins are distributed at intervals.
Compared with the prior art, the invention provides a main shaft cooling device for a numerical control machine tool, which has the following beneficial effects:
1. this main shaft cooling device for digit control machine tool, the device sets up the main shaft part in the cooler bin, the shower nozzle that utilizes the cooler bin top equidistance to distribute sprays the coolant liquid to the main shaft outer wall and carries out the cooling operation, and the device is provided with along axially extended arc locating part at the both ends position of cooler bin, and the coolant liquid under spraying passes through the spacing and the water conservancy diversion of locating part and fully carries out the heat exchange with the main shaft contact, utilize the reverse curved water conservancy diversion spare in locating part top and be convenient for draw forth the steam water conservancy diversion that the heat exchange produced to the top, the cooperation tuber pipe is bloied from the intermediate position and upwards extrudes hot vapour and with the heat to dispersion all around, and improve the actual cooling effect to the main shaft, and.
2. This main shaft cooling device for digit control machine tool, the wind direction that the device was convenient for the tuber pipe drum to go into through the wearing groove of locating part outer wall disperses all around, utilizes the water conservancy diversion portion of wearing groove top and bottom to improve to the water conservancy diversion effect of keeping away from the intermediate position direction, cooperates the auxiliary portion of top and bottom and guarantees that steam draws forth the effect of wearing the groove to through the cooperation operation of water conservancy diversion portion and auxiliary portion, further improve actually the cooling effect to the main shaft.
3. This main shaft cooling device for digit control machine tool, the device is provided with filter plate and baffle in the bottom of cooler bin, and the cooling liquid that will drop is drawn forth from the fluid-discharge tube of baffle bottom, and utilize the separation effect of baffle, make the baffle top because the main shaft rotates and there is the difference with the relative static difference in temperature in baffle bottom, and lead the bottom to the bottom along with bottom end liquid stream discharge through the fin is supplementary, when baffle bottom temperature is higher than the temperature of its top circulation coolant liquid, and disperse the heat to the top through the fin, and avoid the top temperature to cross the operating condition who influences the main shaft excessively, thereby further strengthen the actual operating condition to the main shaft cooling.
Drawings
Fig. 1 is a schematic view of an overall structure of a spindle cooling device for a numerical control machine tool according to the present invention;
fig. 2 is a schematic cross-sectional structural view of a spindle cooling device for a numerical control machine tool according to the present invention;
fig. 3 is a schematic side view of a spindle cooling device for a numerical control machine tool according to the present invention;
fig. 4 is a schematic view of a limiting member of a spindle cooling device for a numerical control machine according to the present invention;
fig. 5 is a schematic view of a heat sink structure of a spindle cooling device for a numerical control machine tool according to the present invention.
In the figure: 1 cooling box, 2 cover plates, 3 spray heads, 4 liquid discharge pipes, 5 limiting parts, 6 flow guide parts, 7 through grooves, 8 air pipes, 9 air outlet pipes, 10 exhaust pipes, 11 connecting parts, 12 flow guide parts, 13 auxiliary parts, 14 filter screen plates, 15 partition plates, 16 radiating fins and 17 dispersing grooves.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1-4, a main shaft cooling device for a numerical control machine tool, including a cooling box 1, a main shaft is rotatably connected to an intermediate position between two sides of the cooling box 1, a cover plate 2 is fixed to the top of the cooling box 1, nozzles 3 distributed at equal intervals in the horizontal direction are fixed to the top of the cover plate 2, a liquid discharge pipe 4 is fixed to the bottom of the cooling box 1, position-limiting parts 5 of an arc structure are fixed to two ends of the main shaft between inner walls of two sides of the cooling box 1, the intermediate position of the position-limiting part 5 is set to be arched to one end far away from the main shaft, a flow guide part 6 of an arc structure is fixed to the top of the position-limiting part 5, the flow guide part 6 inclines upwards towards one end far away from the main shaft, the intermediate position of the flow guide part 6 is arched to one end near the.
According to the invention, through grooves 7 which are distributed equidistantly in the horizontal direction are formed in the outer wall of one end of the limiting part 5, an air pipe 8 extending out of the cooling box is fixed in the middle of each through groove 7, air outlet pipes 9 which are distributed equidistantly are fixed in the positions, corresponding to the flow guide parts 6, of the outer walls of the two ends of the cooling box 1, a connecting part 11 is arranged in the middle of each through groove 7, each connecting part 11 is of a circular hole-shaped structure, the outer wall of each air pipe 8 is fixedly connected with the inner wall of each connecting part 11, flow guide parts 21 are arranged at the top end and the bottom end of each connecting part 11, the width of each flow guide part 21 is gradually reduced along with the increase of the distance from each connecting part 11, one end, far away from each connecting part 11, of each flow.
When in use, the spray heads 3 distributed at equal intervals at the top of the cooling box 1 are utilized to spray cooling liquid to the outer wall of the main shaft for cooling operation, and arc-shaped limiting pieces 5 extending along the axial direction are arranged at the two ends of the cooling box 1, the sprayed cooling liquid is fully contacted with the main shaft for heat exchange through the limit and the flow guide of the limit piece 5, the water vapor generated by the heat exchange is conveniently guided to the upper part by the reverse arc-shaped flow guide piece 6 at the top end of the limit piece 5 and is led out, the hot vapor is upwards extruded by matching with the air pipe 8 to blow from the middle position, and the heat is dispersed to the periphery, the actual cooling effect on the main shaft is improved, the actual utilization effect on a cooling source is improved, the flow guide effect towards the direction far away from the middle position is improved by the flow guide parts 12 at the top and the bottom of the through groove 7, and the effect of leading hot gas out of the through groove 7 is ensured by matching with the auxiliary parts 13 at the top end and the bottom end.
Example 2
Referring to fig. 1-5, a spindle cooling device for a numerical control machine tool, wherein a filter screen plate 14 which is obliquely arranged is fixed at the bottom between the inner walls of two ends of a cooling box 1, the filter screen plate 14 inclines downwards towards one end far away from a liquid discharge pipe 4, a partition plate 15 is fixed at the bottom of the filter screen plate 14 at one end of the cooling box 1 close to the liquid discharge pipe 4, the partition plate 15 and the filter screen plate 14 incline in the same direction, and a gap is reserved between one end of the partition plate 15 far away from the liquid discharge pipe 4 and the inner wall of the cooling box 1;
the top outer wall of baffle 15 is fixed with equidistant distribution's fin 16, and the intermediate position of fin 16 sets up to the one end arch that is close to fluid-discharge tube 4, set up interval distribution between the fin 16 on the baffle 15, fin 16 one end outer wall is located the top and the bottom of baffle 15 and all sets up a plurality of dispersion tank 17 that pierce through the setting, and the dispersion tank 17 that lies in baffle 15 top and bottom on the fin 16 sets up interval distribution between, dispersion tank 17 between two adjacent fin 16 sets up interval distribution.
When the cooling device is used, cooling liquid which falls is led out from the liquid discharge pipe 4 at the bottom of the partition plate 15, the separation effect of the partition plate 15 is utilized, the difference exists between the temperature difference of the top of the partition plate 15 due to the rotation of the main shaft and the relative static temperature difference at the bottom of the partition plate 15, heat is led out to the bottom end through the heat radiating fins 16 to be discharged along with bottom liquid flow, when the temperature of the bottom of the partition plate 15 is higher than that of the cooling liquid which flows through the top of the partition plate, the heat is dispersed to the upper side through the heat radiating fins 16, the phenomenon that the working state of the main shaft is influenced due to too.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides a main shaft cooling device for digit control machine tool, includes cooler bin (1), intermediate position between cooler bin (1) both sides rotates and is connected with the main shaft, the top of cooler bin (1) is fixed with apron (2), and the top of apron (2) is fixed with shower nozzle (3) that the horizontal direction equidistance distributes, the bottom mounting of cooler bin (1) has fluid-discharge tube (4), its characterized in that, both ends that lie in the main shaft between cooler bin (1) both sides inner wall all are fixed with locating part (5) of arc structure, and the intermediate position of locating part (5) sets up to hunch up to the one end of keeping away from the main shaft, the top of locating part (5) is fixed with water conservancy diversion spare (6) of arc structure, and water conservancy diversion spare (6) upwards to the one end slope of keeping away from the main shaft, and the intermediate position of water conservancy diversion spare (6) hunches to the, exhaust pipes (10) distributed at equal intervals are fixed at two ends of the top of the cover plate (2).
2. The spindle cooling device for the numerical control machine tool according to claim 1, wherein through grooves (7) are formed in an outer wall of one end of the limiting member (5) and are distributed at equal intervals in a horizontal direction, air pipes (8) extending out of the cooling box are fixed in the middle of the through grooves (7), and air outlet pipes (9) are fixed in positions, corresponding to the flow guide member (6), of outer walls of two ends of the cooling box (1) and are distributed at equal intervals.
3. The spindle cooling device for the numerical control machine tool according to claim 2, wherein a connecting portion (11) is disposed at a middle position of the through groove (7), the connecting portion (11) is configured as a circular hole-shaped structure, and an outer wall of the air duct (8) is fixedly connected with an inner wall of the connecting portion (11).
4. A cooling device of a main shaft for a numerical control machine according to claim 3, wherein the connecting portion (11) is provided with flow guide portions (21) at both top and bottom ends thereof, and the width of the flow guide portions (21) is gradually reduced as the distance from the connecting portion (11) increases.
5. A cooling device of a main shaft for a numerical control machine according to claim 4, wherein an end of the flow guide portion (21) away from the connecting portion (11) is provided as an auxiliary portion (13), and the auxiliary portion (13) is arched toward an end close to the connecting portion (11).
6. A spindle cooling device for a numerical control machine tool according to any one of claims 3 to 5, characterized in that a filter screen plate (14) which is placed obliquely is fixed at the bottom between the inner walls of the two ends of the cooling box (1), the filter screen plate (14) is inclined downwards towards the end far away from the drain pipe (4), a partition plate (15) is fixed at the bottom of the filter screen plate (14) at the end of the cooling box (1) close to the drain pipe (4), the partition plate (15) and the filter screen plate (14) are inclined in the same direction, and a gap is left between the end of the partition plate (15) far away from the drain pipe (4) and the inner wall of the cooling box (1).
7. A spindle cooling device for a numerical control machine tool according to claim 6, characterized in that the top outer wall of the partition plate (15) is fixed with cooling fins (16) distributed equidistantly, the middle position of the cooling fins (16) is set to be arched towards one end close to the liquid discharge pipe (4), and the cooling fins (16) on the partition plate (15) are arranged to be distributed at intervals.
8. The spindle cooling device for the numerical control machine tool according to claim 7, wherein a plurality of dispersing grooves (17) penetrating through the outer wall of one end of each cooling fin (16) at the top and the bottom of the partition plate (15) are formed, the dispersing grooves (17) at the top and the bottom of the partition plate (15) on the cooling fins (16) are arranged at intervals, and the dispersing grooves (17) between two adjacent cooling fins (16) are arranged at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010982570.0A CN112171372A (en) | 2020-09-17 | 2020-09-17 | Main shaft cooling device for numerical control machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010982570.0A CN112171372A (en) | 2020-09-17 | 2020-09-17 | Main shaft cooling device for numerical control machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112171372A true CN112171372A (en) | 2021-01-05 |
Family
ID=73920109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010982570.0A Withdrawn CN112171372A (en) | 2020-09-17 | 2020-09-17 | Main shaft cooling device for numerical control machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112171372A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117672722A (en) * | 2023-12-11 | 2024-03-08 | 广东微容电子科技有限公司 | MLCC (multi-layer ceramic) aging-removing cooling device |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103341785A (en) * | 2013-07-23 | 2013-10-09 | 高泉正 | High-speed main shaft cooling device |
| JP2015147264A (en) * | 2014-02-06 | 2015-08-20 | 株式会社オーエム製作所 | Machine tool |
| CN207155379U (en) * | 2017-08-17 | 2018-03-30 | 重庆市怀川金属制品有限公司 | A kind of milling machine workpiece high performance heat radiating device |
| CN108580954A (en) * | 2018-07-31 | 2018-09-28 | 上海闵轩钢结构工程有限公司 | A kind of Steel Structure Installation drilling machine |
| CN108637789A (en) * | 2018-07-17 | 2018-10-12 | 苏州美瑞时科技有限公司 | One kind being used for auto parts and components finished surface drilling equipment |
| CN109048487A (en) * | 2018-10-20 | 2018-12-21 | 安徽省临泉县智创精机有限公司 | A kind of processing cooling device of numer centre |
| CN208409353U (en) * | 2018-05-04 | 2019-01-22 | 贵州祥程佳和机械制造有限公司 | A kind of CNC Machine Tool Protective Cover |
| CN109465672A (en) * | 2018-12-20 | 2019-03-15 | 池州市安安新材科技有限公司 | A kind of almag cooling device for processing |
| CN109702553A (en) * | 2019-02-25 | 2019-05-03 | 盐城工业职业技术学院 | A kind of Machinetool workpiece cooling system |
| CN210099136U (en) * | 2019-06-11 | 2020-02-21 | 大连金华齿轮箱制造有限公司 | Internal gear shaving machine |
| CN111266919A (en) * | 2020-04-09 | 2020-06-12 | 王坤 | Cutting machine tool for metal processing |
-
2020
- 2020-09-17 CN CN202010982570.0A patent/CN112171372A/en not_active Withdrawn
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103341785A (en) * | 2013-07-23 | 2013-10-09 | 高泉正 | High-speed main shaft cooling device |
| JP2015147264A (en) * | 2014-02-06 | 2015-08-20 | 株式会社オーエム製作所 | Machine tool |
| CN207155379U (en) * | 2017-08-17 | 2018-03-30 | 重庆市怀川金属制品有限公司 | A kind of milling machine workpiece high performance heat radiating device |
| CN208409353U (en) * | 2018-05-04 | 2019-01-22 | 贵州祥程佳和机械制造有限公司 | A kind of CNC Machine Tool Protective Cover |
| CN108637789A (en) * | 2018-07-17 | 2018-10-12 | 苏州美瑞时科技有限公司 | One kind being used for auto parts and components finished surface drilling equipment |
| CN108580954A (en) * | 2018-07-31 | 2018-09-28 | 上海闵轩钢结构工程有限公司 | A kind of Steel Structure Installation drilling machine |
| CN109048487A (en) * | 2018-10-20 | 2018-12-21 | 安徽省临泉县智创精机有限公司 | A kind of processing cooling device of numer centre |
| CN109465672A (en) * | 2018-12-20 | 2019-03-15 | 池州市安安新材科技有限公司 | A kind of almag cooling device for processing |
| CN109702553A (en) * | 2019-02-25 | 2019-05-03 | 盐城工业职业技术学院 | A kind of Machinetool workpiece cooling system |
| CN210099136U (en) * | 2019-06-11 | 2020-02-21 | 大连金华齿轮箱制造有限公司 | Internal gear shaving machine |
| CN111266919A (en) * | 2020-04-09 | 2020-06-12 | 王坤 | Cutting machine tool for metal processing |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117672722A (en) * | 2023-12-11 | 2024-03-08 | 广东微容电子科技有限公司 | MLCC (multi-layer ceramic) aging-removing cooling device |
| CN117672722B (en) * | 2023-12-11 | 2024-06-18 | 广东微容电子科技有限公司 | MLCC (multi-layer ceramic) aging-removing cooling device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106595331B (en) | A kind of direct air cooled condenser heat-sink unit of strength cooling | |
| CN112171372A (en) | Main shaft cooling device for numerical control machine tool | |
| CN111305889B (en) | Ventilation system and method for metal mine exploitation | |
| CA2184335C (en) | Cross-flow cooling tower with reduced upper inboard fill section | |
| CN104913679B (en) | Water collector with fog dispersal and water saving functions and evaporation cooling device | |
| JP3976125B2 (en) | Evaporative water recovery device in cooling tower and cooling tower provided with this recovery device | |
| CN103353240B (en) | The manufacture method of a kind of condensing unit and its cooler | |
| CN114136116A (en) | Cross-flow opening and closing type cooling tower | |
| CN206399252U (en) | One kind atomization humidified air cooler | |
| CN115493422A (en) | Energy-saving water-saving bottom blowing type cooling tower | |
| CN213835490U (en) | Cooling device of blade steel refining electroslag furnace | |
| CN211332430U (en) | Cutting fluid cooling device for numerical control machine tool | |
| CN215114039U (en) | Cooling tower fast dispels heat | |
| CN211060698U (en) | Counterflow cooling tower | |
| CN210802062U (en) | Cooling section of new energy battery sintering furnace | |
| CN104121649B (en) | Gas-water double-travel contact heat recycling type evaporative cooling water chiller unit | |
| CN217829449U (en) | Cross method heat exchange white removing device | |
| JPH11173789A (en) | Water splash preventing structure for counterflow type cooling tower | |
| CN201355474Y (en) | Water cooling system of personal computer | |
| CN216694535U (en) | Cross-flow opening and closing type cooling tower | |
| CN117847603B (en) | Energy-saving heating equipment with high heating efficiency | |
| CN212720962U (en) | Cooling tower with high heat exchange efficiency | |
| CN101162128A (en) | Counter flow type evaporative condenser | |
| CN111089498A (en) | Energy-concerving and environment-protective smokeless discarded object heat reclamation device | |
| CN216694545U (en) | Open-close type cooling tower with indirect heater for heating |
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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210105 |