CN106839864B - A kind of equal strength surplus molding air duct and its preparation process for cooling tower - Google Patents
A kind of equal strength surplus molding air duct and its preparation process for cooling tower Download PDFInfo
- Publication number
- CN106839864B CN106839864B CN201611223324.7A CN201611223324A CN106839864B CN 106839864 B CN106839864 B CN 106839864B CN 201611223324 A CN201611223324 A CN 201611223324A CN 106839864 B CN106839864 B CN 106839864B
- Authority
- CN
- China
- Prior art keywords
- air duct
- wire mesh
- upper piece
- bottom sheet
- laying
- 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.)
- Active
Links
Classifications
-
- 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
- F28F25/10—Component parts of trickle coolers for feeding gas or vapour
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The present invention relates to a kind of equal strength surpluses for cooling tower to be molded air duct and its preparation process.A kind of equal strength surplus molding air duct for cooling tower, the air duct monolithic including multiple equidimensions, air duct monolithic includes air duct bottom sheet and air duct upper piece.A kind of technique preparing the equal strength surplus molding air duct for cooling tower, including (1) prepare the identical air duct bottom sheet of multiple sizes；(2) the identical air duct upper piece of multiple sizes is prepared；(3) air duct bottom sheet is spliced into air duct lower section by bolt；(4) by successively overlap joint assembly at the top of the bottom of air duct upper piece and air duct lower section, the axially position of air duct upper piece is completed；(5) successively the Z-type flange of an air duct upper piece and the L-type flange of adjacent air duct upper piece are bolted, the circumferential positioning for completing air duct upper piece is molded air duct to get to the equal strength surplus for cooling tower.
Description
Technical field
The invention belongs to field of cooling tower, in particular to a kind of equal strength surplus for cooling tower is molded air duct and its system
Standby technique.
Background technique
Industrial cooling tower is to improve drafting efficiency, reduces flow losses, and air-introduced machine and air duct all generally are housed at top.
To prevent corrosion of the water mist air to air duct, air duct material is generally glass reinforced plastic, and air duct manufacture craft is mainly hand
Paste.But the production efficiency of glass fiber reinforced plastic wind tube hand paste process is low, exhaust gas damages workers ' health, waste entrainment soil and water source.Closely
SMC (sheet mould) the moulded glass steel cooling tower air duct occurred over year can avoid problem above.During die forming, SMC sheet
Material is heated to soften, and flow to die cavity and forms and solidify everywhere.For convenience of sheet material flowing forming, the glass fiber strand of SMC sheet
General shorter, this results in the tensile strength of air duct and bending strength to be declined, and when bearing beam wind, air duct is big curved
It needs to prize and moves place with installation process at square, bending strength surplus is with regard to inadequate.If being mentioned completely with the method for increasing air duct wall thickness
High-flexural strength, then thickness will increase more, will increase with material and cost more.
Summary of the invention
Goal of the invention: the present invention has made improvements in view of the above-mentioned problems of the prior art, i.e., first mesh of the invention
Be to disclose a kind of equal strength surplus for cooling tower to be molded air duct, improve at the SMC molding big moment of flexure of cooling tower air duct
Bending strength, the insufficient short slab of polishing local strength keep the intensity surplus of air duct everywhere of substantially equal.Second mesh of the invention
Be a kind of preparation process of equal strength surplus molding air duct for cooling tower is disclosed.
Technical solution: a kind of equal strength surplus molding air duct for cooling tower, the air duct monolithic including multiple equidimensions,
The air duct monolithic includes air duct bottom sheet and air duct upper piece
The top of the air duct bottom sheet is equipped at least one first unthreaded hole, and the bottom of the air duct bottom sheet is equipped at least one
Third unthreaded hole；
The bottom of the air duct upper piece is equipped at least one second unthreaded hole matched with the first unthreaded hole,
The air duct bottom sheet, the air duct upper piece are affixed by the bolt for passing through the first unthreaded hole and the second unthreaded hole, realize wind
The overlap joint of cylinder bottom sheet and air duct upper piece,
A side of the air duct bottom sheet is equipped with Z-shaped flange, and the middle part of Z-shaped flange is uniformly distributed multiple 4th unthreaded holes,
Another side of the air duct bottom sheet is equipped with L shape flange, and the L shape flange is equipped with multiple the 5th light matched with the 4th unthreaded hole
Hole,
A side of the air duct upper piece is equipped with Z-shaped flange, and the middle part of Z-shaped flange is uniformly distributed multiple 4th unthreaded holes,
Another side of the air duct upper piece is equipped with L shape flange, and the L shape flange is equipped with multiple the 5th light matched with the 4th unthreaded hole
Hole.
Further, the bottom of the air duct upper piece is equipped with third wire mesh, the laying position of the third wire mesh
It sets and is adapted with the position of the air duct upper piece, air duct bottom sheet lap-joint.
Further, the top of the air duct bottom sheet is equipped with the second wire mesh, the laying position of second wire mesh
It sets and is adapted with the position of the air duct upper piece, air duct bottom sheet lap-joint.
Further, the bottom of the air duct bottom sheet is equipped with the first wire mesh.
Further, two the first unthreaded holes are symmetrically arranged at the top of the air duct bottom sheet.
Further, the bottom symmetrical of the air duct bottom sheet is set there are two third unthreaded hole.
A kind of technique preparing the equal strength surplus molding air duct for cooling tower, comprising the following steps:
(1) the identical air duct bottom sheet of multiple sizes is prepared；
(2) the identical air duct upper piece of multiple sizes is prepared；
(3) air duct bottom sheet prepared by step (1) is spliced into air duct lower section by bolt；
(4) assembly is successively overlapped at the top of the bottom for the air duct upper piece for obtaining step (2) and air duct lower section, and passes through bolt
It is connected and fixed, completes the axially position of air duct upper piece；
(5) successively the Z-type flange of an air duct upper piece and the L-type flange of adjacent air duct upper piece are bolted, it is complete
Air duct is molded at the circumferential positioning of air duct upper piece to get to the equal strength surplus for cooling tower.
Further, in step (1) prepare air duct bottom sheet the following steps are included:
(101) enhancing data are calculated according to the possibility loadometer that air duct bottom sheet need to enhance position, and determines therefrom that the first gold medal
Material, string diameter, mesh number, laying area and the laying shape for belonging to silk screen and the second wire mesh, with plate shearing machine to the first wire
Net and the second wire mesh are cut out by laying area and laying shape；
(102) the silk screen edge folding for the first wire mesh and the second wire mesh that step (101) is obtained with bending machine
Replication foot, then blast again；
(103) the first wire mesh and the second wire mesh pre-bending obtained step (102) with mold forms；
(104) pre-bending the first wire mesh after molding and the second wire mesh cone bar are pricked into hole；
(105) installation prepares the upper die and lower die of air duct bottom sheet on press machine；
(106) upper die and lower die of air duct bottom sheet are preheated to 140~160 DEG C with conduction oil；
(107) the first wire mesh that step (104) obtains and the second wire mesh are put into baking oven, it is preheated to 140~
160 DEG C, keep the temperature 25~30 minutes；
(108) bisphenol-s epoxy resin is preheated to 90~110 DEG C；
(109) release agent is uniformly smeared to the upper die and lower die of air duct bottom sheet；
(110) SMC sheet is laid in lower mode cavity；
(111) the first wire mesh and the second wire mesh are taken out out of baking oven, immerse the bisphenol S type in step (108)
It is shaken 2~5 seconds in epoxy resin, laying SMC sheet is upper after discharge bubble；
(112) in the upper surface of the first wire mesh and the second wire mesh laying SMC sheet, SMC sheet is in air duct bottom sheet
Lower mode cavity in laying area be 72~80%；
(113) upper die and lower die of air duct bottom sheet are engaged, is kept for pressure 375~395 seconds under the pressure of 8MPa；
(114) upper die and lower die of air duct bottom sheet are opened and obtains air duct bottom sheet.
Further, the hole in step (104) in the second wire mesh by cone bar bundle and the position phase of the first unthreaded hole
Cooperation,
The diameter for boring bar is 2~4mm bigger than the diameter of the first unthreaded hole.
Further, in step (2) prepare air duct upper piece the following steps are included:
(201) enhancing data are calculated according to the possibility loadometer that air duct upper piece need to enhance position, and determines therefrom that third gold
Material, string diameter, mesh number, laying area and the laying shape for belonging to silk screen, with plate shearing machine to third wire mesh by laying area and
Laying shape is cut out；
(202) bending bend backwards is carried out with silk screen edge of the bending machine to the third wire mesh, then sandblasting is beaten again
Hair；
(203) third wire mesh pre-bending is formed with mold；
(204) pre-bending third wire mesh cone bar after molding will be pricked hole；
(205) upper die and lower die of air duct upper piece are installed on press machine；
(206) upper die and lower die of air duct upper piece are preheated to 140~160 DEG C with conduction oil；
(207) it puts the third wire mesh that step (204) obtains into baking oven, is preheated to 140~160 DEG C, heat preservation 25~
30 minutes；
(208) bisphenol-s epoxy resin is preheated to 90~110 DEG C；
(209) release agent is uniformly smeared to the upper die and lower die of air duct upper piece；
(210) SMC sheet is laid in lower mode cavity；
(211) third wire mesh is taken out out of baking oven, the bisphenol-s epoxy resin shaking 2 in immersion step (208)~
It 5 seconds, is laid on SMC sheet after bubble is discharged；
(212) the laying SMC sheet on third wire mesh, laying of the SMC sheet in the lower mode cavity of air duct upper piece
Area is 72~80%；
(213) upper die and lower die of air duct upper piece are engaged, is kept for pressure 375~395 seconds under the pressure of 8MPa；
(214) upper die and lower die of air duct upper piece are opened and obtains air duct upper piece.
Further, the hole in step (204) in third wire mesh by cone bar bundle and the position phase of the second unthreaded hole
Cooperation,
The diameter for boring bar is 2~4mm bigger than the diameter of the second unthreaded hole.
The utility model has the advantages that a kind of equal strength surplus for cooling tower disclosed by the invention is molded air duct and its preparation process tool
Have it is following the utility model has the advantages that
1. air duct bears lateral strong wind, the moment of flexure on air duct bottom sheet bottom edge is maximum, waits the air duct pieces of wall thickness herein more than intensity
Amount is insufficient, and the intensity at this position can be supplied by being embedded in the first wire mesh herein, so that bearing the intensity at this position when lateral strong wind
Surplus and the intensity surplus at other positions are of substantially equal, and air duct is avoided to destroy；
2. in air duct installation process, air duct bottom sheet bottom may bear the interim additional load in part caused by sled moves, etc.
Intensity surplus is insufficient herein for the air duct piece of wall thickness, and the intensity at this position can be supplied by being embedded in the first wire mesh herein, so that air duct
The intensity surplus at this position and the intensity surplus at other positions are of substantially equal when installation sled moves, and avoid air duct damaged；
3. air duct upper piece and the faying surface upper bolt hole of air duct bottom sheet are more, overlap joint surface intensity is caused to be weakened, air duct
Bottom sheet is embedded in the second wire mesh, and air duct upper piece is embedded in third wire mesh, can supply air duct upper piece and air duct bottom sheet faying surface
Intensity avoid air duct damaged so that the intensity surplus at this position and the intensity surplus at other positions are of substantially equal；
4. in the biggish air duct locally embedding wire mesh of stress, it is possible to increase the intensity at the position, so that air duct is held everywhere
Intensity surplus when by different bending loads is of substantially equal, to become the molding air duct of equal strength surplus, avoids air duct somewhere
Intensity surplus is excessive and causes waste of material, also avoids air duct somewhere intensity surplus insufficient and leaves hidden danger；
5. in preparation process, bending bend backwards in wire mesh edge can avoid being embedded in SMC sheet and molding in wire mesh
Wire in the process " is appeared " phenomenon, is weakened to avoid the reinforcing effect of wire mesh；
6. in preparation process, by wire mesh blast, the binding force of wire mesh and SMC sheet can be increased, to protect
Demonstrate,prove the reinforcing effect of wire mesh；
7. in preparation process, wire mesh pre-bending is formed with mold, returning after can reducing wire mesh insertion SMC sheet
Bullet can avoid wire mesh on air duct piece thickness direction " sideslip ", to guarantee the reinforcing effect of wire mesh；
8. in preparation process, after wire mesh pre-bending molding, at the bolt hole that wire mesh corresponds to air duct monolithic, with circle
Cone bar pricks hole in advance, and the wire for being initially positioned at bundle hole site can be by the periphery of exclusion to hole, and the periphery in hole is exactly stress collection
The intensity on hole periphery is just improved at middle place with closeer wire.
Detailed description of the invention
Fig. 1 is that a kind of equal strength surplus for cooling tower disclosed by the invention is molded air duct schematic diagram；
The matching relationship schematic diagram of Z-shaped flange and L shape flange of the Fig. 2 between adjacent air duct monolithic；
Fig. 3 is cross-sectional view of the air duct bottom sheet along thickness median surface；
Fig. 4 is cross-sectional view of the air duct upper piece along thickness median surface；
Fig. 5 is cone bar schematic diagram；
Wherein:
1- air duct bottom sheet 3- air duct upper piece
5- the first wire mesh the second wire mesh of 6-
7- third wire mesh 8-Z shape flange
9-L shape flange 10- bores bar
11- the first unthreaded hole 12- third unthreaded hole
The second unthreaded hole of 31-
The 5th unthreaded hole of the 4th unthreaded hole 91- of 81-
Specific embodiment:
Detailed description of specific embodiments of the present invention below.
Specific embodiment 1
As shown in figures 1-4, a kind of equal strength surplus for cooling tower is molded air duct, the air duct including multiple equidimensions
Monolithic,
Air duct monolithic includes air duct bottom sheet 1 and air duct upper piece 3
The top of air duct bottom sheet 1 is equipped at least one first unthreaded hole 11, and the bottom of air duct bottom sheet 1 is equipped at least one third
Unthreaded hole 12；
The bottom of air duct upper piece 3 is equipped at least one second unthreaded hole 31 matched with the first unthreaded hole 11,
Air duct bottom sheet 1, air duct upper piece 3 are affixed by the bolt for passing through the first unthreaded hole 11 and the second unthreaded hole 31, realize air duct
The overlap joint of bottom sheet 1 and air duct upper piece 3,
A side of air duct bottom sheet 1 is equipped with Z-shaped flange 8, and the middle part of Z-shaped flange 8 is uniformly distributed multiple 4th unthreaded holes 81,
Another side of air duct bottom sheet 1 is equipped with L shape flange 9, and L shape flange 9 is equipped with multiple the 5th unthreaded holes matched with the 4th unthreaded hole 81
91,
A side of air duct upper piece 3 is equipped with Z-shaped flange 8, and the middle part of Z-shaped flange 8 is uniformly distributed multiple 4th unthreaded holes 81,
Another side of air duct upper piece 3 is equipped with L shape flange 9, and L shape flange 9 is equipped with multiple the 5th unthreaded holes matched with the 4th unthreaded hole 81
91。
Further, the bottom of air duct upper piece 3 is equipped with third wire mesh 7, the laying position of third wire mesh 7 and wind
Cylinder upper piece 3, the position of 1 lap-joint of air duct bottom sheet are adaptable.
Further, the top of air duct bottom sheet 1 is equipped with the second wire mesh 6, the laying position of the second wire mesh 6 and wind
Cylinder upper piece 3, the position of 1 lap-joint of air duct bottom sheet are adaptable.
Further, the bottom of air duct bottom sheet 1 is equipped with the first wire mesh 5.
Further, two the first unthreaded holes 11 are symmetrically arranged at the top of air duct bottom sheet 1.
Further, the bottom symmetrical of air duct bottom sheet 1 is set there are two third unthreaded hole 12.
When two adjacent air duct individual chip packages splice, L shape flange 9 and another air duct monolithic of an air duct monolithic
Z-shaped flange 8 is bolted,
When air duct upper piece 3 and air duct bottom sheet 1 overlap, under the Z-shaped flange 8 and L shape flange 9 and air duct of 3 side of air duct upper piece
The Z-shaped flange 8 and L shape flange 9 of 1 side of piece dock just, so that most of bending load that air duct upper piece 3 is born when operation is logical
It crosses Z-shaped flange 8 and L shape flange 9 is transmitted in air duct bottom sheet 1, to mitigate on 1 faying surface of air duct upper piece 3 and air duct bottom sheet
Bending load.
A kind of technique preparing the equal strength surplus molding air duct for cooling tower, comprising the following steps:
(1) the identical air duct bottom sheet of multiple sizes is prepared；
(2) the identical air duct upper piece of multiple sizes is prepared；
(3) air duct bottom sheet prepared by step (1) is spliced into air duct lower section by bolt；
(4) assembly is successively overlapped at the top of the bottom for the air duct upper piece for obtaining step (2) and air duct lower section, and passes through bolt
It is connected and fixed, completes the axially position of air duct upper piece；
(5) successively the Z-type flange of an air duct upper piece and the L-type flange of adjacent air duct upper piece are bolted, it is complete
Air duct is molded at the circumferential positioning of air duct upper piece to get to the equal strength surplus for cooling tower.
Further, in step (1) prepare air duct bottom sheet the following steps are included:
(101) enhancing data are calculated according to the possibility loadometer that air duct bottom sheet need to enhance position, and determines therefrom that the first gold medal
Material, string diameter, mesh number, laying area and the laying shape for belonging to silk screen and the second wire mesh, with plate shearing machine to the first wire
Net and the second wire mesh are cut out by laying area and laying shape；
(102) the silk screen edge folding for the first wire mesh and the second wire mesh that step (101) is obtained with bending machine
Replication foot, then blast again；
(103) the first wire mesh and the second wire mesh pre-bending obtained step (102) with mold forms；
(104) pre-bending the first wire mesh after molding and the second wire mesh cone bar (structure is as shown in Figure 5) are pricked
Hole；
(105) installation prepares the upper die and lower die of air duct bottom sheet on press machine；
(106) upper die and lower die of air duct bottom sheet are preheated to 140 DEG C with conduction oil；
(107) the first wire mesh that step (104) obtains and the second wire mesh are put into baking oven, are preheated to 140 DEG C,
Heat preservation 30 minutes；
(108) bisphenol-s epoxy resin is preheated to 90 DEG C；
(109) release agent is uniformly smeared to the upper die and lower die of air duct bottom sheet；
(110) SMC sheet is laid in lower mode cavity；
(111) the first wire mesh and the second wire mesh are taken out out of baking oven, immerse the bisphenol S type in step (108)
It is shaken 2 seconds in epoxy resin, laying SMC sheet is upper after discharge bubble；
(112) in the upper surface of the first wire mesh and the second wire mesh laying SMC sheet, SMC sheet is in air duct bottom sheet
Lower mode cavity in laying area be 72%；
(113) upper die and lower die of air duct bottom sheet are engaged, 375~second of pressure is kept under the pressure of 8MPa；
(114) upper die and lower die of air duct bottom sheet are opened and obtains air duct bottom sheet.
Further, the hole in step (104) in the second wire mesh by cone bar bundle and the position phase of the first unthreaded hole
Cooperation,
The diameter for boring bar is 2mm bigger than the diameter of the first unthreaded hole.
Release agent in step (109) is that the oiliness of Shunde District, Foshan City Qiao Yi synthetics Industrial Co., Ltd. production is efficient
Release agent.
Further, in step (2) prepare air duct upper piece the following steps are included:
(201) enhancing data are calculated according to the possibility loadometer that air duct upper piece need to enhance position, and determines therefrom that third gold
Material, string diameter, mesh number, laying area and the laying shape for belonging to silk screen, with plate shearing machine to third wire mesh by laying area and
Laying shape is cut out；
(202) with bending machine to the silk screen of third wire mesh along carrying out bending bend backwards, then blast again；
(203) third wire mesh pre-bending is formed with mold；
(204) pre-bending third wire mesh cone bar after molding will be pricked hole；
(205) upper die and lower die of air duct upper piece are installed on press machine；
(206) upper die and lower die of air duct upper piece are preheated to 140 DEG C with conduction oil；
(207) it puts the third wire mesh that step (204) obtains into baking oven, is preheated to 140 DEG C, keep the temperature 30 minutes；
(208) bisphenol-s epoxy resin is preheated to 90 DEG C；
(209) release agent is uniformly smeared to the upper die and lower die of air duct upper piece；
(210) SMC sheet is laid in lower mode cavity；
(211) third wire mesh is taken out out of baking oven, the bisphenol-s epoxy resin immersed in step (208) shakes 2 seconds
Clock is laid on SMC sheet after bubble is discharged；
(212) the laying SMC sheet on third wire mesh, laying of the SMC sheet in the lower mode cavity of air duct upper piece
Area is 72%；
(213) upper die and lower die of air duct upper piece are engaged, is kept for pressure 375 seconds under the pressure of 8MPa；
(214) upper die and lower die of air duct upper piece are opened and obtains air duct upper piece.
Further, further, the hole in step (204) in third wire mesh by cone bar bundle and the second unthreaded hole
Position match,
The diameter for boring bar is 2mm bigger than the diameter of the second unthreaded hole.
Release agent in step (209) is that the oiliness of Shunde District, Foshan City Qiao Yi synthetics Industrial Co., Ltd. production is efficient
Release agent.
Specific embodiment 2
Roughly the same with specific embodiment 1, difference is only in that:
In step (1) prepare air duct bottom sheet the following steps are included:
(101) enhancing data are calculated according to the possibility loadometer that air duct bottom sheet need to enhance position, and determines therefrom that the first gold medal
Material, string diameter, mesh number, laying area and the laying shape for belonging to silk screen and the second wire mesh, with plate shearing machine to the first wire
Net and the second wire mesh are cut out by laying area and laying shape；
(102) the silk screen edge folding for the first wire mesh and the second wire mesh that step (101) is obtained with bending machine
Replication foot, then blast again；
(103) the first wire mesh and the second wire mesh pre-bending obtained step (102) with mold forms；
(104) pre-bending the first wire mesh after molding and the second wire mesh cone bar are pricked into hole；
(105) installation prepares the upper die and lower die of air duct bottom sheet on press machine；
(106) upper die and lower die of air duct bottom sheet are preheated to 160 DEG C with conduction oil；
(107) the first wire mesh that step (104) obtains and the second wire mesh are put into baking oven, are preheated to 160 DEG C,
Heat preservation 25 minutes；
(108) bisphenol-s epoxy resin is preheated to 110 DEG C；
(109) release agent is uniformly smeared to the upper die and lower die of air duct bottom sheet；
(110) SMC sheet is laid in lower mode cavity；
(111) the first wire mesh and the second wire mesh are taken out out of baking oven, immerse the bisphenol S type in step (108)
It is shaken 5 seconds in epoxy resin, laying SMC sheet is upper after discharge bubble；
(112) in the upper surface of the first wire mesh and the second wire mesh laying SMC sheet, SMC sheet is in air duct bottom sheet
Lower mode cavity in laying area be 80%；
(113) upper die and lower die of air duct bottom sheet are engaged, is kept for pressure 395 seconds under the pressure of 8MPa；
(114) upper die and lower die of air duct bottom sheet are opened and obtains air duct bottom sheet.
Further, the hole in step (104) in the second wire mesh by cone bar bundle and the position phase of the first unthreaded hole
Cooperation,
The diameter for boring bar is 4mm bigger than the diameter of the first unthreaded hole.
Further, in step (2) prepare air duct upper piece the following steps are included:
(201) enhancing data are calculated according to the possibility loadometer that air duct upper piece need to enhance position, and determines therefrom that third gold
Material, string diameter, mesh number, laying area and the laying shape for belonging to silk screen, with plate shearing machine to third wire mesh by laying area and
Laying shape is cut out；
(202) with bending machine to the silk screen of third wire mesh along carrying out bending bend backwards, then blast again；
(203) third wire mesh pre-bending is formed with mold；
(204) pre-bending third wire mesh cone bar after molding will be pricked hole；
(205) upper die and lower die of air duct upper piece are installed on press machine；
(206) upper die and lower die of air duct upper piece are preheated to 160 DEG C with conduction oil；
(207) it puts the third wire mesh that step (204) obtains into baking oven, is preheated to 160 DEG C, keep the temperature 25 minutes；
(208) bisphenol-s epoxy resin is preheated to 110 DEG C；
(209) release agent is uniformly smeared to the upper die and lower die of air duct upper piece；
(210) SMC sheet is laid in lower mode cavity；
(211) third wire mesh is taken out out of baking oven, the bisphenol-s epoxy resin immersed in step (208) shakes 5 seconds
Clock is laid on SMC sheet after bubble is discharged；
(212) the laying SMC sheet on third wire mesh, laying of the SMC sheet in the lower mode cavity of air duct upper piece
Area is 80%；
(213) upper die and lower die of air duct upper piece are engaged, is kept for pressure 395 seconds under the pressure of 8MPa；
(214) upper die and lower die of air duct upper piece are opened and obtains air duct upper piece.
Further, further, the hole in step (204) in third wire mesh by cone bar bundle and the second unthreaded hole
Position match,
The diameter for boring bar is 4mm bigger than the diameter of the second unthreaded hole.
Specific embodiment 3
Roughly the same with specific embodiment 1, difference is only in that:
Further, in step (1) prepare air duct bottom sheet the following steps are included:
(101) enhancing data are calculated according to the possibility loadometer that air duct bottom sheet need to enhance position, and determines therefrom that the first gold medal
Material, string diameter, mesh number, laying area and the laying shape for belonging to silk screen and the second wire mesh, with plate shearing machine to the first wire
Net and the second wire mesh are cut out by laying area and laying shape；
(102) the silk screen edge folding for the first wire mesh and the second wire mesh that step (101) is obtained with bending machine
Replication foot, then blast again；
(103) the first wire mesh and the second wire mesh pre-bending obtained step (102) with mold forms；
(104) pre-bending the first wire mesh after molding and the second wire mesh cone bar are pricked into hole；
(105) installation prepares the upper die and lower die of air duct bottom sheet on press machine；
(106) upper die and lower die of air duct bottom sheet are preheated to 150 DEG C with conduction oil；
(107) the first wire mesh that step (104) obtains and the second wire mesh are put into baking oven, are preheated to 150 DEG C,
Heat preservation 28 minutes；
(108) bisphenol-s epoxy resin is preheated to 100 DEG C；
(109) release agent is uniformly smeared to the upper die and lower die of air duct bottom sheet；
(110) SMC sheet is laid in lower mode cavity；
(111) the first wire mesh and the second wire mesh are taken out out of baking oven, immerse the bisphenol S type in step (108)
It is shaken 3 seconds in epoxy resin, laying SMC sheet is upper after discharge bubble；
(112) in the upper surface of the first wire mesh and the second wire mesh laying SMC sheet, SMC sheet is in air duct bottom sheet
Lower mode cavity in laying area be 76%；
(113) upper die and lower die of air duct bottom sheet are engaged, is kept for pressure 385 seconds under the pressure of 8MPa；
(114) upper die and lower die of air duct bottom sheet are opened and obtains air duct bottom sheet.
Further, the hole in step (104) in the second wire mesh by cone bar bundle and the position phase of the first unthreaded hole
Cooperation,
The diameter for boring bar is 3mm bigger than the diameter of the first unthreaded hole.
Further, in step (2) prepare air duct upper piece the following steps are included:
(201) enhancing data are calculated according to the possibility loadometer that air duct upper piece need to enhance position, and determines therefrom that third gold
Material, string diameter, mesh number, laying area and the laying shape for belonging to silk screen, with plate shearing machine to third wire mesh by laying area and
Laying shape is cut out；
(202) with bending machine to the silk screen of third wire mesh along carrying out bending bend backwards, then blast again；
(203) third wire mesh pre-bending is formed with mold；
(204) pre-bending third wire mesh cone bar after molding will be pricked hole；
(205) upper die and lower die of air duct upper piece are installed on press machine；
(206) upper die and lower die of air duct upper piece are preheated to 150 DEG C with conduction oil；
(207) it puts the third wire mesh that step (204) obtains into baking oven, is preheated to 150 DEG C, keep the temperature 28 minutes；
(208) bisphenol-s epoxy resin is preheated to 100 DEG C；
(209) release agent is uniformly smeared to the upper die and lower die of air duct upper piece；
(210) SMC sheet is laid in lower mode cavity；
(211) third wire mesh is taken out out of baking oven, the bisphenol-s epoxy resin immersed in step (208) shakes 3 seconds
Clock is laid on SMC sheet after bubble is discharged；
(212) the laying SMC sheet on third wire mesh, laying of the SMC sheet in the lower mode cavity of air duct upper piece
Area is 76%；
(213) upper die and lower die of air duct upper piece are engaged, is kept for pressure 385 seconds under the pressure of 8MPa；
(214) upper die and lower die of air duct upper piece are opened and obtains air duct upper piece.
Further, further, the hole in step (204) in third wire mesh by cone bar bundle and the second unthreaded hole
Position match,
The diameter for boring bar is 3mm bigger than the diameter of the second unthreaded hole.
Embodiments of the present invention are elaborated above.But present invention is not limited to the embodiments described above,
Technical field those of ordinary skill within the scope of knowledge, can also do without departing from the purpose of the present invention
Various change out.
Claims (5)
1. a kind of preparation process of the equal strength surplus molding air duct for cooling tower, comprising the following steps:
(1) the identical air duct bottom sheet of multiple sizes is prepared；
(2) the identical air duct upper piece of multiple sizes is prepared；
(3) air duct bottom sheet prepared by step (1) is spliced into air duct lower section by bolt；
(4) assembly is successively overlapped at the top of the bottom for the air duct upper piece for obtaining step (2) and air duct lower section, and be bolted
It is fixed, complete the axially position of air duct upper piece；
(5) successively the Z-type flange of an air duct upper piece and the L-type flange of adjacent air duct upper piece are bolted, complete wind
The circumferential positioning of cylinder upper piece is molded air duct to get to the equal strength surplus for cooling tower, in which:
In step (1) prepare air duct bottom sheet the following steps are included:
(101) enhancing data are calculated according to the possibility loadometer that air duct bottom sheet need to enhance position, and determines therefrom that the first wire
The material of net and the second wire mesh, string diameter, mesh number, laying area and laying shape, with plate shearing machine to the first wire mesh and
Second wire mesh is cut out by laying area and laying shape；
(102) it is returned with silk screen of the bending machine to the first wire mesh and the second wire mesh that step (101) obtains along bending
Foot, then blast again；
(103) the first wire mesh and the second wire mesh pre-bending obtained step (102) with mold forms；
(104) pre-bending the first wire mesh after molding and the second wire mesh cone bar are pricked into hole；
(105) installation prepares the upper die and lower die of air duct bottom sheet on press machine；
(106) upper die and lower die of air duct bottom sheet are preheated to 140~160 DEG C with conduction oil；
(107) the first wire mesh that step (104) obtains and the second wire mesh are put into baking oven, is preheated to 140~160
DEG C, keep the temperature 25~30 minutes；
(108) bisphenol-s epoxy resin is preheated to 90~110 DEG C；
(109) release agent is uniformly smeared to the upper die and lower die of air duct bottom sheet；
(110) SMC sheet is laid in lower mode cavity；
(111) the first wire mesh and the second wire mesh are taken out out of baking oven, immerse the bisphenol S type epoxy in step (108)
It is shaken 2~5 seconds in resin, is laid in the upper surface of SMC sheet after bubble is discharged；
(112) in the upper surface of the first wire mesh and the second wire mesh laying SMC sheet, SMC sheet is under air duct bottom sheet
Laying area in die cavity is 72~80%；
(113) upper die and lower die of air duct bottom sheet are engaged, is kept for pressure 375~395 seconds under the pressure of 8MPa；
(114) upper die and lower die of air duct bottom sheet are opened and obtains air duct bottom sheet；
Equal strength surplus for cooling tower is molded air duct, the air duct monolithic including multiple equidimensions；
The air duct monolithic includes air duct bottom sheet and air duct upper piece；
The top of the air duct bottom sheet is equipped at least one first unthreaded hole, and the bottom of the air duct bottom sheet is equipped at least one third
Unthreaded hole；
The bottom of the air duct upper piece is equipped at least one second unthreaded hole matched with the first unthreaded hole；
The air duct bottom sheet, the air duct upper piece are affixed by the bolt for passing through the first unthreaded hole and the second unthreaded hole, realize under air duct
The overlap joint of piece and air duct upper piece；
A side of the air duct bottom sheet is equipped with Z-shaped flange, and the middle part of Z-shaped flange is uniformly distributed multiple 4th unthreaded holes, described
Another side of air duct bottom sheet is equipped with L shape flange, and the L shape flange is equipped with multiple the 5th unthreaded holes matched with the 4th unthreaded hole；
A side of the air duct upper piece is equipped with Z-shaped flange, and the middle part of Z-shaped flange is uniformly distributed multiple 4th unthreaded holes, described
Another side of air duct upper piece is equipped with L shape flange, and the L shape flange is equipped with multiple the 5th unthreaded holes matched with the 4th unthreaded hole,
Wherein:
The bottom of the air duct upper piece is equipped with third wire mesh, on the laying position of the third wire mesh and the air duct
Piece, the position of air duct bottom sheet lap-joint are adaptable；
The top of the air duct bottom sheet is equipped with the second wire mesh, on the laying position of second wire mesh and the air duct
Piece, the position of air duct bottom sheet lap-joint are adaptable；
The bottom of the air duct bottom sheet is equipped with the first wire mesh.
2. the preparation process of the equal strength surplus molding air duct according to claim 1 for cooling tower, which is characterized in that
Two the first unthreaded holes are symmetrically arranged at the top of the air duct bottom sheet.
3. the preparation process of the equal strength surplus molding air duct according to claim 1 or 2 for cooling tower, feature exist
In, it is matched by the hole that cone bar is pricked with the position of the first unthreaded hole in the second wire mesh in step (104),
The diameter for boring bar is 2~4mm bigger than the diameter of the first unthreaded hole.
4. the preparation process of the equal strength surplus molding air duct according to claim 1 or 2 for cooling tower, feature exist
In, in step (2) prepare air duct upper piece the following steps are included:
(201) enhancing data are calculated according to the possibility loadometer that air duct upper piece need to enhance position, and determines therefrom that third wire
Material, string diameter, mesh number, laying area and the laying shape of net press laying area and laying to third wire mesh with plate shearing machine
Shape is cut out；
(202) with bending machine to the silk screen of the third wire mesh along carrying out bending bend backwards, then blast again；
(203) third wire mesh pre-bending is formed with mold；
(204) pre-bending third wire mesh cone bar after molding will be pricked hole；
(205) upper die and lower die of air duct upper piece are installed on press machine；
(206) upper die and lower die of air duct upper piece are preheated to 140~160 DEG C with conduction oil；
(207) it puts the third wire mesh that step (204) obtains into baking oven, is preheated to 140~160 DEG C, keep the temperature 25~30 points
Clock；
(208) bisphenol-s epoxy resin is preheated to 90~110 DEG C；
(209) release agent is uniformly smeared to the upper die and lower die of air duct upper piece；
(210) SMC sheet is laid in lower mode cavity；
(211) third wire mesh is taken out out of baking oven, the bisphenol-s epoxy resin immersed in step (208) shakes 2~5 seconds
Clock is laid on SMC sheet after bubble is discharged；
(212) the laying SMC sheet on third wire mesh, laying area of the SMC sheet in the lower mode cavity of air duct upper piece
It is 72~80%；
(213) upper die and lower die of air duct upper piece are engaged, is kept for pressure 375~395 seconds under the pressure of 8MPa；
(214) upper die and lower die of air duct upper piece are opened and obtains air duct upper piece.
5. the preparation process of the equal strength surplus molding air duct according to claim 4 for cooling tower, which is characterized in that
It is matched by the hole that cone bar is pricked with the position of the second unthreaded hole in third wire mesh in step (204),
The diameter for boring bar is 2~4mm bigger than the diameter of the second unthreaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611223324.7A CN106839864B (en) | 2016-12-27 | 2016-12-27 | A kind of equal strength surplus molding air duct and its preparation process for cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611223324.7A CN106839864B (en) | 2016-12-27 | 2016-12-27 | A kind of equal strength surplus molding air duct and its preparation process for cooling tower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106839864A CN106839864A (en) | 2017-06-13 |
| CN106839864B true CN106839864B (en) | 2019-03-19 |
Family
ID=59135562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611223324.7A Active CN106839864B (en) | 2016-12-27 | 2016-12-27 | A kind of equal strength surplus molding air duct and its preparation process for cooling tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106839864B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109676969B (en) * | 2019-02-27 | 2024-04-12 | 江苏海鸥冷却塔股份有限公司 | SMC sine wave compression molding dryer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101602384A (en) * | 2008-06-13 | 2009-12-16 | 王小成 | A kind of bicycle bicycle basket and job operation thereof |
| CN202350652U (en) * | 2011-11-01 | 2012-07-25 | 河北华强科技开发有限公司 | Stable type glass reinforced plastic air duct |
| CN103806357A (en) * | 2012-11-14 | 2014-05-21 | 辽宁辽杰科技有限公司 | Temporary road surface plate and preparation method thereof |
| CN204691330U (en) * | 2015-04-16 | 2015-10-07 | 河北中冷冷却设备有限公司 | Cooling tower mold pressing assembly combined air duct |
-
2016
- 2016-12-27 CN CN201611223324.7A patent/CN106839864B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101602384A (en) * | 2008-06-13 | 2009-12-16 | 王小成 | A kind of bicycle bicycle basket and job operation thereof |
| CN202350652U (en) * | 2011-11-01 | 2012-07-25 | 河北华强科技开发有限公司 | Stable type glass reinforced plastic air duct |
| CN103806357A (en) * | 2012-11-14 | 2014-05-21 | 辽宁辽杰科技有限公司 | Temporary road surface plate and preparation method thereof |
| CN204691330U (en) * | 2015-04-16 | 2015-10-07 | 河北中冷冷却设备有限公司 | Cooling tower mold pressing assembly combined air duct |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106839864A (en) | 2017-06-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101749194B (en) | Wind turbine blade for large-scale wind generating set, and molding method thereof | |
| DK176335B1 (en) | Process for manufacturing wind turbine blades | |
| CN101137841B (en) | Method of manufacturing a wind turbine blade shell member | |
| EP2418072B1 (en) | A method of manufacturing an elongated composite structure | |
| WO2023274423A1 (en) | Modular wind turbine blade and method for manufacturing same | |
| TR201807650T4 (en) | A method of producing an aerodynamic shell member for a wind turbine blade. | |
| DK3019332T3 (en) | WIND TURBINE BLADE | |
| US11719220B2 (en) | Method of manufacturing a wind turbine blade and a wind turbine blade thereof | |
| CN101979239A (en) | Method for adhering blades of megawatt wind turbine in die assembly | |
| CN106839864B (en) | A kind of equal strength surplus molding air duct and its preparation process for cooling tower | |
| CN105346105B (en) | The making mould and preparation method of a kind of wind electricity blade | |
| CN101830074A (en) | Manufacturing process of wind power vanes | |
| CN103692660A (en) | Method and device for preparing pre-buried blade on post-punching blade die | |
| CN104175570A (en) | Method for integrally preparing blade auxiliary beam and blade shell of megawatt wind turbine | |
| CN110328866A (en) | A kind of production method that wind turbine blade lengthening is covered with blade tip | |
| CN206999679U (en) | Carbon fiber dual platen reinforced structure part | |
| CN105673358A (en) | Large tail-edge sectional wind turbine blade connecting structure and manufacturing process thereof | |
| CN103909219B (en) | Hot box sand shooting mouth lining | |
| ES2425026B1 (en) | Method of manufacturing a component of a split blade of a wind turbine | |
| CN205439292U (en) | Outer reinforcement of wind -powered electricity generation blade and casing integrated into one piece's mould | |
| CN105346106B (en) | A kind of outer reinforcement of wind electricity blade and the integrally formed method of housing and mould | |
| CN205255541U (en) | Preparation mould of wind -powered electricity generation blade | |
| CN207859106U (en) | A kind of precast stair Self-curing mold | |
| CN102658612A (en) | Appearance-adjustable wind-powered blade forming mold and deformation method thereof | |
| CN208600668U (en) | A kind of stripper apparatus of band recycling |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200922 Address after: 053100 east side of Shengli North Road, Zaoqiang County, Hengshui City, Hebei Province Patentee after: Hengshui Gehao Environmental Protection Technology Co., Ltd Address before: 102600, Beijing, Daxing District Huangcun Town West Village Committee 500 meters north Patentee before: BEIJING TIANCHENGJINGJIE ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |