CN105115161A - Anti-corrosion and pressure-bearing water tank provided with built-in heat exchanger and machining method of water tank - Google Patents
Anti-corrosion and pressure-bearing water tank provided with built-in heat exchanger and machining method of water tank Download PDFInfo
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- CN105115161A CN105115161A CN201510668360.3A CN201510668360A CN105115161A CN 105115161 A CN105115161 A CN 105115161A CN 201510668360 A CN201510668360 A CN 201510668360A CN 105115161 A CN105115161 A CN 105115161A
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Abstract
The invention relates to an anti-corrosion and pressure-bearing water tank provided with a built-in heat exchanger and a machining method of the water tank. The water tank comprises a plastic liner and a metal casing closely attached to the outer wall of the plastic liner, wherein the heat exchanger is mounted in the plastic liner, the plastic liner comprises a plastic barrel body, an upper plastic gland and a lower plastic gland which are independent of one another, a main heat exchange body of the heat exchanger extends into the plastic barrel body, and a heat exchange medium air inlet pipe and a heat exchange medium air outlet pipe of the heat exchanger penetrate through the lower gland respectively; the metal casing comprises a metal barrel body, an upper metal gland and a lower metal gland which are independent of one another, after the metal barrel body is axially split into at least two equal arc-shaped barrel walls and then closely attached to the plastic barrel body in an interference manner, axially extending edges of the arc-shaped barrel walls are butt-jointed and then welded, and then the metal glands are welded with the metal barrel body. With the adoption of the machining method of the water tank, the anti-corrosion and pressure-bearing water tank provided with the built-in heat exchanger can be produced by the aid of simple tools through hot-melting welding and electric arc welding, three important indexes, namely, the built-in heat exchanger, high anti-corrosion capacity and high pressure-bearing capacity, can be effectively guaranteed, and the production cost is low.
Description
Technical field
The present invention relates to the static press-bearing water tank technical field of Teat pump boiler, particularly relate to band anticorrosive coat and the built-in press-bearing water tank of heat exchange coil and processing method thereof.
Background technology
At present, the water tank of Teat pump boiler, water storage liner particularly in water tank outer cover, in order to realize corrosion proof function, generally that one deck plastic layer is set in metal shell, a kind of patent document of air-source water heater pressure-bearing water tank inner liner disclosed in Chinese invention patent notification number CN2550695Y, and the patent document of steel-plastic composite structure solar water heater tank inner container disclosed in Chinese invention patent notification number CN204421367U.
Patent document disclosed in two be all solve water tank Anticorrosion Problems by adhering to plastic layer in bearing shell, but plastic layer all must be attached on outer casing inner wall by high temperature by two kinds of prior aries; Wherein clearly state this plastic layer in notification number CN2550695Y document just can be implemented by rotational molding technique (i.e. enamel technology).This kind of technique needs complicated rotational moulding frock (clamping shell) and heats cooling procedure (enamel pressure-bearing water tank for a long time, because spraying and high temperature curing process, make heat(ing) coil cannot be built-in, can only be close to metal shell outer wall by external for heat exchange coil, cost increases because area increases to cause heat exchange coil.When the ceramic of the enamel layer simultaneously formed makes water tank pressure-bearing, dilation feed-tank brings anticorrosive coat to destroy and causes radiator leak).
The inner bag that enamel/rotational moulding mode that above-mentioned patent adopts supports, static for heat pump heat(ing) coil cannot be placed into water tank inside, and to utilize the structure of " stainless steel platen " (can be understood as ring flange) to solve coil pipe built-in in the patent document of CN204421367U be to implement, reason is: the inner water tank diameter of Teat pump boiler is at below 500mm usually, wall thickness is at below 2mm, the diameter of heat exchanger is more than 200mm, so above-mentioned " stainless steel platen " must be larger than the diameter of heat exchanger, if according to secondary condition, need to offer on the low head of water tank and be suitable for the perforation (more than diameter 200mm) that " stainless steel platen " installs connection, the water tank having a perforation is installed " stainless steel platen " with heat exchanger again, its bearing capacity certainly exists larger decline, and sealing is also difficult to ensure, the anticorrosion water tank of reliable pressure-bearing built-in heat exchanger cannot be made.
Summary of the invention
The object of the invention is to solve above-mentioned the deficiencies in the prior art, and improve a kind of simple and reasonable for structure
The anticorrosion press-bearing water tank that heat exchanger is built-in, by modular combination, makes water tank realize while rapid, high volume produces, effectively can ensure built-in heat exchanger, anticorrosion, three important indicators that bearing capacity is strong, and production cost is low.
In addition, another object of the present invention is, a kind of processing method preparing the built-in anticorrosion press-bearing water tank of heat exchanger is proposed, the prerequisite of the method owing to possessing modular combination, so when production and processing, can by splicing fast after simple clamping, hot melt, the routines such as arc welding, and avoid as enamel/rotational molding technique of the prior art need specific frock and equipment and hot environment under implement, the present invention under the plant area of normal temperature by simple plastics injection moulding or plastic uptake and metal stamping, the assembly of various needs can be completed, working (machining) efficiency is high.
The technical solution adopted for the present invention to solve the technical problems is:
The anticorrosion press-bearing water tank that heat exchanger is built-in, comprises plastic inner container and the metal shell being close to plastic inner container outer wall, is provided with heat exchanger, it is characterized in that in plastic inner container;
Described plastic inner container is made up of separate plastics stack shell, plastics upper cover and plastics low head, plastic barrel is as the cylindrical shell with plastics upper shed and plastics under shed, the opening of plastics upper cover is welded on plastics upper shed, the plastics low head being provided with heat exchanger is welded on plastics under shed by opening, and the heat exchange main body of heat exchanger extends in plastics stack shell, heat transferring medium air inlet pipe and the heat transferring medium escape pipe of heat exchanger run through low head respectively;
Described metal shell is by mutual independently metal stack shell, metal upper cover and metal low head composition, metal cylinder is as the cylindrical shell with metal upper shed and metal under shed, metal stack shell is by being axially divided into the arc barrel of at least two equal portions and being close to Plastic Drum after one's death in interference mode, by welding after seamed edge docking axially extended on arc barrel, metal upper cover is close to plastics upper cover in interference mode, and be welded on metal upper shed by opening, metal low head is close to plastics low head in interference mode, and be welded on metal under shed by opening, heat transferring medium air inlet pipe and heat transferring medium escape pipe run through metal low head respectively.
The present invention can also adopt following technical measures to solve:
The opening of plastics upper cover is welded on plastics upper shed and forms upper plastic welded seam, and the opening of metal upper cover is welded on metal upper shed, metal welding seam in formation, and upper metal welding seam and upper plastic welded seam form adjacent being close to.
The opening of plastics low head is welded on plastics under shed and forms lower plastic welded seam, and the opening of metal low head is welded on metal under shed, and form lower metal welding seam, lower metal welding seam and lower plastic welded seam form adjacent being close to.
Described plastics upper cover offers faucet, plastics low head water inlet tap, and faucet runs through metal upper cover, and water inlet tap runs through metal low head.
Described heat transferring medium air inlet pipe is tightly connected with plastics low head and metal low head respectively by air inlet pipe joint and coordinates, and heat transferring medium escape pipe is tightly connected with plastics low head and metal low head respectively by escape pipe joint and coordinates.
The wall thickness of plastics stack shell, plastics upper cover and plastics low head is 1mm-10mm.
The wall thickness of metal stack shell, metal upper cover and metal low head is 1mm-3mm.
The present invention also provides a kind of processing method preparing the built-in anticorrosion press-bearing water tank of heat exchanger, it is characterized in that, comprises the steps:
A, prepare plastics stack shell, plastics upper cover, plastics low head, metal stack shell, metal upper cover and metal low head respectively according to size, wherein metal stack shell is by being axially divided into the arc barrel of two equal portions, for subsequent use;
B, first heat exchanger is connected to plastics low head, by sweat soldering after the opening of plastics upper cover and the plastics upper shed docking of plastics stack shell, the plastics under shed of the opening and plastics stack shell that are provided with the plastics low head of heat exchanger docks rear sweat soldering, forms the plastic inner container with built-in heat exchanger;
C, then two arc barrels are close to it Plastic Drum in interference mode, then by arc barrel
Arc welding after axially extended seamed edge docking, arc welding after being docked with the metal upper shed of metal ladle body by opening after metal upper cover is close to plastics upper cover in interference mode, arc welding after being docked with the metal under shed of metal ladle body by opening after metal low head is close to plastics low head in interference mode, forms anticorrosion press-bearing water tank.
The invention has the beneficial effects as follows:
(1) the anticorrosion press-bearing water tank that a kind of heat exchanger of the present invention is built-in and processing method thereof, the cooperation technique of micro-interference makes plastic inner container and metal shell be close to, ensure that the pressure-bearing function of water tank, avoid plastic layer attachment shell in prior art to need energy consumption and the time of rotational molding technique heating and melting plastics simultaneously, also eliminate the necessary Three dimensional rotation frock machinery of rotational moulding and huge heating storehouse.
(2) the anticorrosion press-bearing water tank that a kind of heat exchanger of the present invention is built-in and processing method thereof, the plastic inner container be made up of separate plastics stack shell, plastics upper cover and plastics low head made in advance, heat exchange coil is made previously to put in plastic inner container, form built-in, make that real heat exchange coil is built-in becomes possibility, solve thin-walled water tank ring flange install needed for opening comparatively large and cause the unreliable and cost high problem (installing complicated, consuming time) of pressure-bearing.
(3) the anticorrosion press-bearing water tank that a kind of heat exchanger of the present invention is built-in and processing method thereof, the plastic layer be close to metal shell and built-in heat exchange coil, solve the problem of the external cost height of enamel heat exchange coil and corrosion-resistant coating rapid wear.
(4) the anticorrosion press-bearing water tank that a kind of heat exchanger of the present invention is built-in and processing method thereof, all mouths of pipe (heat transferring medium air inlet pipe, heat transferring medium escape pipe, water inlet tap, faucet and other functional bodys, as thermometric blind pipe etc.) all tiny, pass through special joint, can be connected with metal shell through plastic inner container, play sealing and antiseptic effect, solve the problem that ring flange perforate cannot ensure comparatively greatly pressure-bearing.
Accompanying drawing explanation
Fig. 1 is the decomposition texture schematic diagram of plastics stack shell in the present invention, plastics upper cover, plastics low head and heat exchanger.
Fig. 2 is the structural representation after plastics stack shell in the present invention, plastics upper cover, plastics low head and Welding of Heat-exchanger.
Fig. 3 is the enlarged drawing at A place in Fig. 2.
Fig. 4 is the decomposition texture schematic diagram of metal stack shell in the present invention, metal upper cover and metal low head and plastic inner container.
Fig. 5 is the structural representation of composition metal stack shell after the arc barrel welding of two equal portions in the present invention.
Fig. 6 is that the arc barrel of two equal portions in the present invention is close to plastic barrel with it and after welding, and the structural representation before metal upper cover and the welding of metal low head.
Fig. 7 is the structural representation of the built-in anticorrosion press-bearing water tank of heat exchanger of the present invention.
Fig. 8 is the enlarged drawing at B place in Fig. 7.
Fig. 9 is the enlarged drawing at C place in Fig. 7.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described.
As shown in Figures 1 to 9, the anticorrosion press-bearing water tank that a kind of heat exchanger is built-in, comprises plastic inner container 1 and the metal shell 2 being close to plastic inner container 1 outer wall, is provided with heat exchanger 3, it is characterized in that in plastic inner container 1;
Described plastic inner container 1 is made up of separate plastics stack shell 101, plastics upper cover 102 and plastics low head 103, plastics stack shell 101 is the cylindrical shell with plastics upper shed 101-1 and plastics under shed 101-2, the opening 102-1 of plastics upper cover 102 is welded on plastics upper shed 101-1, the plastics low head 103 being provided with heat exchanger 3 is welded on plastics under shed 101-2 by opening 103-1, and the heat exchange main body 301 of heat exchanger 3 extends in plastics stack shell 101, heat transferring medium air inlet pipe 302 and the heat transferring medium escape pipe 303 of heat exchanger 3 run through low head 103 respectively;
Described metal shell 2 is by mutual independently metal stack shell 201, metal upper cover 202 and metal low head 203 form, metal stack shell 201 is the cylindrical shell with metal upper shed 201-1 and metal under shed 201-2, metal stack shell 201 by be axially divided into two equal portions arc barrel 201-3 and after being close to plastics ladle body 101 in interference mode, welding after seamed edge 201-3a axially extended on arc barrel 201-3 is docked, metal upper cover 202 is close to plastics upper cover 102 in interference mode, and be welded on metal upper shed 201-1 by opening 202-1, metal low head 203 is close to plastics low head 103 in interference mode, and be welded on metal under shed 201-2 by opening 203-1, heat transferring medium air inlet pipe 302 and heat transferring medium escape pipe 303 run through metal low head 203 respectively.
More specifically embodiment as the present embodiment:
The opening 102-1 of plastics upper cover 102 is welded on plastic welded seam 104 in plastics upper shed 101-1 formation, the opening 202-1 of metal upper cover 202 is welded on metal upper shed 201-1, metal welding seam 204 in formation, upper metal welding seam 204 and upper plastic welded seam 104 form adjacent being close to.
The opening 103-1 of plastics low head 103 is welded on plastics under shed 101-2 and forms lower plastic welded seam 105, the opening 203-1 of metal low head 203 is welded on metal under shed 201-2, form lower metal welding seam 205, lower metal welding seam 205 and lower plastic welded seam 105 form adjacent being close to.
Described plastics upper cover 102 offers faucet 4, plastics low head 103 water inlet tap 5, and faucet 5 runs through metal upper cover 202, and water inlet tap 5 runs through metal low head 203.
Described heat transferring medium air inlet pipe 302 is tightly connected with plastics low head 103 and metal low head 203 respectively by air inlet pipe joint 6 and coordinates, and heat transferring medium escape pipe 303 is tightly connected with plastics low head 103 and metal low head 203 respectively by escape pipe joint 7 and coordinates.
The wall thickness of plastics stack shell 101, plastics upper cover 102 and plastics low head 103 is 1mm-10mm.
The wall thickness of metal stack shell 201, metal upper cover 202 and metal low head 203 is 1mm-3mm.
The present embodiment also provides a kind of processing method preparing the built-in anticorrosion press-bearing water tank of heat exchanger, it is characterized in that, comprises the steps:
A, prepare plastics stack shell 101, plastics upper cover 102, plastics low head 103, metal stack shell 201, metal upper cover 202 and metal low head 203 respectively according to size, wherein metal stack shell 201 is by being axially divided into the arc barrel 201-3 of two equal portions, for subsequent use;
B, first heat exchanger 3 is connected to plastics low head 103, sweat soldering after being docked by the opening 102-1 of plastics upper cover 102 and the plastics upper shed 101-1 of plastics stack shell 101, the plastics under shed 101-2 of the opening 103-1 and plastics stack shell 101 that are provided with the plastics low head 103 of heat exchanger 3 docks rear sweat soldering, forms the plastic inner container 1 with built-in heat exchanger 2;
C, then two arc barrel 201-3 to be close on plastics ladle body 101 in interference mode, then by arc
On barrel 201-3, axially extended seamed edge 201-3a docks rear arc welding, arc welding after being docked with the metal upper shed 201-1 of metal ladle body 201 by opening 202-1 after metal upper cover 202 is close to plastics upper cover 102 in interference mode, arc welding after being docked with the metal under shed 201-2 of metal ladle body 201 by opening 203-1 after metal low head 203 is close to plastics low head 103 in interference mode, final formation anticorrosion press-bearing water tank.
Above-described specific embodiment, is only preferred embodiment of the present invention, such as according to the equivalent arrangements that the present patent application the scope of the claims does, all should be technology of the present invention and contained.
Claims (8)
1. the anticorrosion press-bearing water tank that heat exchanger is built-in, comprises plastic inner container (1) and is close to the metal shell (2) of plastic inner container (1) outer wall, be provided with heat exchanger (3), it is characterized in that in plastic inner container (1);
Described plastic inner container (1) is by separate plastics stack shell (101), plastics upper cover (102) and plastics low head (103) composition, plastics stack shell (101) is the cylindrical shell with plastics upper shed (101-1) and plastics under shed (101-2), the opening (102-1) of plastics upper cover (102) is welded on plastics upper shed (101-1), the plastics low head (103) being provided with heat exchanger (3) is welded on plastics under shed (101-2) by opening (103-1), and the heat exchange main body (301) of heat exchanger (3) extends in plastics stack shell (101), heat transferring medium air inlet pipe (302) and the heat transferring medium escape pipe (303) of heat exchanger (3) run through low head (103) respectively,
Described metal shell (2) is by mutual independently metal stack shell (201), metal upper cover (202) and metal low head (203) composition, metal stack shell (201) is the cylindrical shell with metal upper shed (201-1) and metal under shed (201-2), metal stack shell (201) by be axially divided into two equal portions arc barrel (201-3) and after being close to plastics ladle body (101) in interference mode, by welding after upper for arc barrel (201-3) axially extended seamed edge (201-3a) docking, metal upper cover (202) is close to plastics upper cover (102) in interference mode, and be welded on metal upper shed (201-1) by opening (202-1), metal low head (203) is close to plastics low head (103) in interference mode, and be welded on metal under shed (201-2) by opening (203-1), heat transferring medium air inlet pipe (302) and heat transferring medium escape pipe (303) run through metal low head (203) respectively.
2. the anticorrosion press-bearing water tank that a kind of heat exchanger is built-in according to claim 1, it is characterized in that, the opening (102-1) of plastics upper cover (102) is welded on plastic welded seam (104) in plastics upper shed (101-1) formation, the opening (202-1) of metal upper cover (202) is welded on metal upper shed (201-1), metal welding seam (204) in formation, upper metal welding seam (204) and upper plastic welded seam (104) form adjacent being close to.
3. the anticorrosion press-bearing water tank that a kind of heat exchanger is built-in according to claim 1, it is characterized in that, the opening (103-1) of plastics low head (103) is welded on plastics under shed (101-2) and forms lower plastic welded seam (105), the opening (203-1) of metal low head (203) is welded on metal under shed (201-2), form lower metal welding seam (205), lower metal welding seam (205) and lower plastic welded seam (105) form adjacent being close to.
4. the anticorrosion press-bearing water tank that a kind of heat exchanger is built-in according to claim 1, it is characterized in that, described plastics upper cover (102) offers faucet (4), plastics low head (103) water inlet tap (5), faucet (5) runs through metal upper cover (202), and water inlet tap (5) runs through metal low head (203).
5. the anticorrosion press-bearing water tank that a kind of heat exchanger is built-in according to claim 1, it is characterized in that, described heat transferring medium air inlet pipe (302) is tightly connected with plastics low head (103) and metal low head (203) respectively by air inlet pipe joint (6) and coordinates, and heat transferring medium escape pipe (303) is tightly connected with plastics low head (103) and metal low head (203) respectively by escape pipe joint (7) and coordinates.
6. the anticorrosion press-bearing water tank that a kind of heat exchanger is built-in according to claim 1, is characterized in that, the wall thickness of plastics stack shell 101, plastics upper cover 102 and plastics low head 103 is 1mm-10mm.
7. the anticorrosion press-bearing water tank that a kind of heat exchanger is built-in according to claim 1, is characterized in that, the wall thickness of metal stack shell (201), metal upper cover (202) and metal low head (203) is 1mm-3mm.
8. a kind of processing method preparing the built-in anticorrosion press-bearing water tank of heat exchanger according to claim 1 to 7 any one, is characterized in that, comprise the steps:
A, prepare plastics stack shell (101), plastics upper cover (102), plastics low head (103), metal stack shell (201), metal upper cover (202) and metal low head (203) respectively according to size, wherein metal stack shell (201) is by being axially divided into the arc barrel (201-3) of two equal portions, for subsequent use;
B, first heat exchanger (3) is connected to plastics low head (103), by sweat soldering after the opening (102-1) of plastics upper cover (102) and plastics upper shed (101-1) docking of plastics stack shell (101), the plastics under shed (101-2) of the opening (103-1) and plastics stack shell (101) that are provided with the plastics low head (103) of heat exchanger (3) docks rear sweat soldering, forms the plastic inner container (1) with built-in heat exchanger (2);
C, then two arc barrels (201-3) are close on plastics ladle body (101) in interference mode, again by arc welding after upper for arc barrel (201-3) axially extended seamed edge (201-3a) docking, metal upper cover (202) is close to plastics upper cover (102) in interference mode and docks rear arc welding by opening (202-1) with the metal upper shed (201-1) of metal ladle body (201) afterwards, metal low head (203) is close to plastics low head (103) in interference mode and docks rear arc welding by opening (203-1) with the metal under shed (201-2) of metal ladle body (201) afterwards, form anticorrosion press-bearing water tank.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510668360.3A CN105115161B (en) | 2015-10-17 | 2015-10-17 | Anticorrosion press-bearing water tank and its processing method built in a kind of heat exchanger |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510668360.3A CN105115161B (en) | 2015-10-17 | 2015-10-17 | Anticorrosion press-bearing water tank and its processing method built in a kind of heat exchanger |
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| CN105115161A true CN105115161A (en) | 2015-12-02 |
| CN105115161B CN105115161B (en) | 2018-01-12 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108278658A (en) * | 2017-01-06 | 2018-07-13 | 东莞市瑞浩节能科技有限公司 | A kind of assembled press-bearing water tank |
| CN111076427A (en) * | 2020-01-12 | 2020-04-28 | 枣庄福源环能机械制造有限公司 | Thin-wall stainless steel water heater inner box |
| CN112902435A (en) * | 2021-02-03 | 2021-06-04 | 中船动力研究院有限公司 | Heating device |
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| CN104654585A (en) * | 2015-01-13 | 2015-05-27 | 山东大学 | Water heater plastic liner and welding process thereof |
| CN204421367U (en) * | 2015-02-06 | 2015-06-24 | 浙江中广电器有限公司 | A kind of air-source water heater pressure-bearing water tank inner liner |
| CN205037574U (en) * | 2015-10-17 | 2016-02-17 | 尹培栋 | Built -in anticorrosion pressure -bearing water tank of heat exchanger |
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| JP2003214711A (en) * | 2002-01-25 | 2003-07-30 | Corona Corp | Hot water storage tank with indirect heat exchanger, manufacturing method of the same, and storage type hot water supply bath device and storage type hot water supply heater using the same |
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| CN108278658A (en) * | 2017-01-06 | 2018-07-13 | 东莞市瑞浩节能科技有限公司 | A kind of assembled press-bearing water tank |
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| CN112902435A (en) * | 2021-02-03 | 2021-06-04 | 中船动力研究院有限公司 | Heating device |
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| CN105115161B (en) | 2018-01-12 |
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Effective date of registration: 20190701 Address after: 224200 Longgang Industrial Zone, Shiyan Town, Dongtai City, Yancheng City, Jiangsu Province (in the operating room of Tonggang Graphite Equipment Co., Ltd.) Patentee after: Dongtai City Tong Gang graphite equipment company limited Address before: 528305 Fourth Floor Fifth of No. 1 Changjin Road, Yunggui Happy Residential Committee, Shunde District, Foshan City, Guangdong Province (Residence Declaration) Patentee before: Foshan City Hua Peng Environmental Technology Co. Ltd. |
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