CN1342880A - Double-temp. heat exchanger for boiler - Google Patents

Double-temp. heat exchanger for boiler Download PDF

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Publication number
CN1342880A
CN1342880A CN 01133936 CN01133936A CN1342880A CN 1342880 A CN1342880 A CN 1342880A CN 01133936 CN01133936 CN 01133936 CN 01133936 A CN01133936 A CN 01133936A CN 1342880 A CN1342880 A CN 1342880A
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CN
China
Prior art keywords
pipe
hot water
warm
heat exchanger
heating
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Granted
Application number
CN 01133936
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Chinese (zh)
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CN1220857C (en
Inventor
帕斯德里诺-乔治
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Riello SpA
Original Assignee
Lialu S P A
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Filing date
Publication date
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Priority to CN 01133936 priority Critical patent/CN1220857C/en
Publication of CN1342880A publication Critical patent/CN1342880A/en
Application granted granted Critical
Publication of CN1220857C publication Critical patent/CN1220857C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

A dual-temp heat exchange for basic boiler is composed of fin-shaped heat collector and 4 parallel pipes. Said pipes have inner pipe and outer pipe. The crossed inner pipe for low domestic hot water. The inner pipe has 4 end points in it to divide the outer pipe into 4 parts. The heating hot water flows in the outer pipe. Its advantages are less inner pipes (4 pipes other than 6 pipes), great surface area of inner pipe, simple structure, light weight, small size and low cost.

Description

The two warm interchanger that is used for basic boiler
Technical field
The present invention relates to the heat-exchange device in a kind of heating and the hot-water heating system, specifically, is a kind of two warm interchanger with boiler for producing heating and domestic hot water.
Background technology
Use boiler for producing heating and domestic hot water's existing first generation product Rocca (Roca) of two warm interchanger and improvement product Gai Nuoni (Giannoni) thereafter.Wherein, the two warm interchangers of lid promise Buddhist nun adopt six roots of sensation fin type two-tube (inner and outer pipes) to be arranged in parallel and connect and compose, the thickness of pipe is 0.8 millimeter, length is 260 millimeters, the hot-water line external surface area is 294 square millimeters, the hot-water line internal surface area is 244 square millimeters, girth is 61.2 millimeters in the heating system, the domestic hot water manages that surfaces externally and internally is long-pending to be respectively 103 square millimeters and 148 square millimeters, girth is 54.6 millimeters in the domestic system, heating surface (area) (HS * parallel pipe number=288 square millimeter, and family and system's circulation area are 103 square millimeters, heating system speed (1000 liters/hour) * 0.96, domestic hot water's system speed (10 liters/minute) * 1.62.But find to have following shortcoming when using Rocca product and Gai Nuo Buddhist nun's product: 1. volume is bigger; 2. manufacturing cost and operating cost are higher; 3. there is undesirable knot calcium problem.On structure, knot calcium process is fast, mainly is owing to use the hot water circulation area of the domestic hot water system that the said goods constitutes little and velocity rate is too high, and the surface area of hot-water line too little due to; Little and the velocity rate height of circulation area has all increased pressure loss, causes the hot water temperature too high, the little domestic hot water temperature that also causes of the surface area of hot-water line raises, and domestic hot water temperature is high more, and it is hard more that water just becomes, hardness of water depends on its calcium carbonate content, causes knot calcium.
The objective of the invention is to overcome the shortcoming of existing procucts, provide a kind of cost low, simple and compact for structure, and the good two warm interchanger that is used for basic boiler generation heating and domestic hot water of resistive connection calcium performance.
Technical solution of the present invention is:
1. replace the six roots of sensation pipeline that covers promise Buddhist nun product with four pipelines, it is simple in structure, tight that the present invention is had
The characteristic of gathering, and can reduce cost;
The actual cross-section long-pending (the single tube area multiply by the parallel pipe number) of heating hot-water heating system should with as far as possible
Heat exchanger 288 flat millimeters near lid promise Buddhist nun;
3. the circulation area of domestic hot water system should be greater than 103 squares lis in the lid promise Buddhist nun heat exchanger
Rice to reduce pressure loss, reduces the hot-fluid on this area, so that reduce domestic hot water temperature,
Thereby reduce knot calcium, increase the area of domestic hot water's pipe simultaneously, will delay to tie the obstruction that calcium causes
Process;
4. the velocity rate of domestic hot water system should be lower than 1.62 velocity rates that cover promise Buddhist nun heat exchanger,
To reduce pressure loss, we adopt and the identical velocity ratio of first generation product Rocca heat exchanger
Rate (1.13);
5. the convection coefficient of heating hot-water heating system should be as far as possible near the convection current system of covering promise Buddhist nun heat exchanger
Number.
As mentioned above, the present invention is used for being produced by boiler the two warm interchanger of heating and domestic hot water system, it comprises heating side plate and the heat collector that supplies and supply molten side plate to constitute by fin type pipe and these fin type pipe two ends of sealing, and the pipeline that is positioned at this heat collector inside, this pipeline contains the outer tube of the hot water that heats and is positioned at the pipe of this outer tube the inside for the domestic hot water, and characteristics are: in heat collector inside along the ridge of fin type pipe to four pipelines that are arranged in parallel of installing; The molten side plate of this confession two ends are installed the domestic hot water respectively and are passed in and out pipe joint and union elbow of centre installation and be connected second, third root pipeline of first, fourth pipeline respectively; This heating side plate is divided into two blocks of side plates, and a union elbow and heating joint respectively are installed, and connects first and second root pipeline and heating hot water input pipe and third and fourth root pipeline and heating hot water delivery pipe respectively; The cross section of said pipeline contains the interior pipe that is " ten " font, and four end points that this outer tube quilt is somebody's turn to do " ten " word are divided into four parts.
More specifically, the external surface area of the interior pipe of two warm interchangers of the present invention is 403.7 square millimeters;
The internal surface area of pipe is 343.5 square centimeters in being somebody's turn to do;
Girth is 72.7 millimeters in this heating system;
This domestic hot water's tube outer surface is long-pending to be 202.3 square millimeters;
The interior table of this family expenses heat pipe is long-pending to be 146.9 square millimeters;
Girth is 67.1 millimeters in this domestic hot water system;
This domestic hot water system circulation area is 146.9 square millimeters;
The speed of this domestic hot water system is 1.13 * 10 liters/minute;
Also in this, install welding rod type turbulator in the pipe;
Also on the heat collector of this confession bath side, establish the limit temperature automatic regulator that automatic screw is regulated;
" ten " font structure of pipe is by compression molding in being somebody's turn to do.
" ten " font structure mold of pipe is shown in Fig. 9-1 and 9-2 in being somebody's turn to do.
" ten " font structure of pipe is shown in Fig. 9-3 and 9-4 in being somebody's turn to do.
A kind of method according to the single heat exchanger of two warm interchangers manufacturing four pipes of four above-mentioned pipes is used for heating system, and its step comprises:
1. close the following parts of the two warm interchangers of four pipes: (1) bathing is with managing; (2) bathing bend pipe; (3) bathing water inlet pipe and water outlet pipe joint; And (4) bathing is with managing and heating effective welding rod;
2. change the turbulator in the two warm interchangers of four pipes,, improve local velocity to increase the turbulent flow of water.
In sum, the present invention have as good effect:
1. the pipeline owing to heat exchanger of the present invention changes four into by the six roots of sensation, and its weight has reduced 12%, therefore,
Install lighter, more compact structure, volume is also littler, cost is also lower, also easier operation.
2. the two warm interchangers of four pipes of the present invention can be transformed into four pipe single heat exchangers very easily and be used for
Heating provides bigger application module.
3. the present invention has improved the shape and structure of interior pipe, has increased the inside and outside surface area of interior pipe, family expenses heat
The cross sectional area of water pipe is bigger by 43% than product lid promise Buddhist nun's, obviously improves domestic hot water's circulation
Area and area of dissipation reduce water temperature, have reduced pressure loss, have improved resistive connection calcium ability.
4. adopt the design of new welding rod, manage inside, be easy to install, fall as the turbulator domestic hot water that packs into
Low cost and the raising that is of value to resistive connection calcium ability.
5. on the heat trap of bath water supply side, the limit temperature that installing is set with self-tapping screw is regulated automatically
Device, easy to use.
Description of drawings
Fig. 1 is that of the present invention bowing cutd open schematic diagram.
Fig. 1-the 1st, pipeline schematic cross-sectional view of the present invention.
Fig. 2 is of the present invention for bathing the side schematic appearance.
Fig. 3 is a heating side schematic appearance of the present invention.
Fig. 4 is that master of the present invention looks schematic diagram.
Fig. 5 is the partial schematic sectional view of overlooking of the present invention.
Fig. 6 is a heating of the present invention side end face schematic diagram.
Fig. 7 is of the present invention for bathing the side end face schematic diagram.
Fig. 8 is a cross sectional representation of the present invention.
Fig. 9-1 and 9-2 are respectively the mold shape and the dimensional drawings of the interior pipe of pipeline in the embodiment of the invention.
Fig. 9-3 and 9-4 are respectively the shape and size figure of the interior pipe of pipeline in the embodiment of the invention.
The specific embodiment
Provide one embodiment of the invention according to Fig. 1~Fig. 9-4 below, and described in detail, purpose is for the present invention being described, enabling to be easier to understand functional performance feature of the present invention, rather than be used for limiting the scope of the present invention.
See also Fig. 1, Fig. 1-1, Fig. 2, Fig. 3, Fig. 4, Fig. 6, Fig. 7 and shown in Figure 8, the two warm exchanges of four pipes of the present invention comprise fin type pipe 10 and seal the heat collector 1 that supplies to bathe side plate 11 and heating side plate 12 formations at these fin type pipe 10 two ends, in the inside of heat collector 1, and along the ridge of fin type pipe 10 to 100 four of installings and the pipeline 13 that is arranged in parallel, pipe 132 and outer tube 131 in this pipeline 13 comprises, the domestic hot water is flowed in interior pipe 132, and heating hot water then flows in outer tube 131, the cross section of pipe 132 is "+" font structure in being somebody's turn to do, and this has four end points of " ten " word to be fixed on the inwall of this outer tube 131 and outer tube 131 is divided into four parts.This is being installed pot-type boiler inlet tube joint 111 and is installing domestic hot water's outlet pipe connection 113 corresponding to the 4th pipeline 13 ports respectively for the two side ends of bathing side plate 11 corresponding to first pipeline 13 port position, and installing a union elbow 112 in the corresponding position of corresponding second, third root pipeline 13 ports, they connect the same side ports of these four pipelines 13 respectively.In heating two union elbows 112 are installed on the side plate 12 respectively and are connected first, second root pipeline 13 and third and fourth root pipeline 13, and be provided with two heating joints 121 and connect entering and output of the hot-water line that heats respectively.Fin type pipe 10 is made by the standard copper material.
See also Fig. 5, it shows the assembly of the interior Guan Yuduan stream of the pipeline device among the present invention, and turbulator 14 is welding rods, and installing of intersection symmetry and excellent axle are spent fixedly connected agitators 14 for 140 one-tenth 45 on it.See also Fig. 9-1, Fig. 9-2, Fig. 9-3 and Fig. 9-4, the making mould of pipe 132 and the shape and the size of finished product within they show in the pipeline 13 of the present invention respectively.
Present embodiment is mainly considered manufacturing cost and operating cost, so adopt four pipelines to implement two warm exchanges, in particular for improving resistive connection calcium ability, so take into full account physical dimension, it holds Nuo Ni with product and compares as follows:
Pipeline: lid promise Buddhist nun the present invention
Number 64
Thickness (mm) 0.8 0.8
Length (mm) 260 260
Hot-water line external surface area (mm 2) 294 403.7
Hot-water line internal surface area (mm 2) 244 343.5
Girth (mm) 61.2 72.7 in the heating system
Domestic hot water's tube outer surface amasss (mm 2) 148 202.3
Domestic hot water's pipe internal surface amasss (mm 2) 103 146.9
Girth (mm) 54.6 57.1 in the domestic system
The flat shape pipe of heating surface (area) (HS number (mm 2) 288 282.4
Circulation area (the mm of domestic hot water system 2) 103 146.9
Heating system speed (1000 liters/hour) 0.96 0.98
Domestic system speed (10 liters/minute) 1.62 1.13
The heating hot water output 24KW of present embodiment, efficiency of combustion 93%, water yield 91%, size and existing combustion chamber compatibility. the ramp that is used to heat is connected: from the unified side of heat exchanger, the ramp that is used for the domestic hot water connects: from the same side of heat exchanger, and fin tube thickness 0.35mm, duct thickness 0.8mm, direct cost (material+service charge) is less than 42,000 lira.
As long as the present embodiment product is some parts of cancellation and replacement turbulator. and then can become four pipe single heat exchangers easily, bigger application module is provided.Weight ratio lid promise Buddhist nun has lacked 12%, and price also obviously reduces.

Claims (15)

1. two warm interchanger, be used for producing heating and domestic hot water system by boiler, it comprises heating side plate and the heat collector that constitutes for side plate by fin type pipe and these fin type pipe two ends of sealing, and the pipeline that is positioned at this heat collector inside, this pipeline contains the outer tube of the hot water that heats and is positioned at the pipe of this outer tube the inside for the domestic hot water, it is characterized in that, at heat collector inner and along the ridge of fin type pipe to four pipelines that are arranged in parallel of installing; This confession bath side plate two ends branch steps up to install the domestic hot water and passes in and out pipe joint and union elbow of middle installation, and they connect first, fourth pipeline and second, third root pipeline respectively; This heating side plate is divided into two blocks of side plates, and a union elbow and heating joint respectively are installed, and connects first and second root pipeline and heating hot water input pipe and third and fourth root pipeline and heating hot water delivery pipe respectively; The cross section of said pipeline contains the interior pipe that is " ten " font, and four end points that this outer tube quilt is somebody's turn to do " ten " word are divided into four parts.
2. two warm interchanger according to claim 1 is characterized in that external surface area of pipe is 403.7 square millimeters in this.
3. two warm interchanger according to claim 1 is characterized in that internal surface area of pipe is 343.5 square centimeters in this.
4. two warm heat exchanger according to claim 1 is characterized in that girth is 72.7 millimeters in the heating system.
5. two warm heat exchanger according to claim 1 is characterized in that domestic hot water's tube outer surface is long-pending to be 202.3 square millimeters.
6. two warm heat exchanger according to claim 1 is characterized in that the interior table of family expenses heat pipe is long-pending to be 146.9 square millimeters.
7. two warm heat exchanger according to claim 1 is characterized in that girth is 67.1 millimeters in the domestic hot water system.
8. two warm heat exchanger according to claim 1 is characterized in that domestic hot water system circulation area is 146.9 square millimeters.
9. two warm heat exchanger according to claim 1 is characterized in that the speed of domestic hot water system is 1.13 * 10 liters/minute.
10. two warm heat exchanger according to claim 1 is characterized in that, installing welding rod type turbulator in interior pipe.
11. two warm heat exchanger according to claim 1 is characterized in that, for establishing the limit temperature automatic regulator that automatic screw is regulated on the heat collector of bathing side.
12. two warm heat exchanger according to claim 1 is characterized in that " ten " font structure of pipe is by compression molding in this.
13. two warm heat exchanger according to claim 12 is characterized in that " ten " font structure mold of pipe is shown in Fig. 9-1 and Fig. 9-2 in this.
14., it is characterized in that " ten " font structure of pipe is shown in Fig. 9-3 and Fig. 9-4 in this according to claim 12 or 13 described two warm heat exchangers.
15. the method according to the single heat exchanger of four pipes of the two warm interchangers manufacturings of described four pipes of claim 1~14 is used for heating system, its step comprises:
1). close the following parts of the two warm interchangers of four pipes: (1) bathing is with managing; (2) bathing bend pipe; (3) bathing water inlet pipe and water outlet pipe joint; And (4) bathing is with managing and heating effective welding rod;
2). change the turbulator in the two warm interchangers of four pipes,, improve local velocity to increase the turbulent flow of water.
CN 01133936 2001-08-13 2001-08-13 Double-temp. heat exchanger for boiler Expired - Fee Related CN1220857C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 01133936 CN1220857C (en) 2001-08-13 2001-08-13 Double-temp. heat exchanger for boiler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 01133936 CN1220857C (en) 2001-08-13 2001-08-13 Double-temp. heat exchanger for boiler

Publications (2)

Publication Number Publication Date
CN1342880A true CN1342880A (en) 2002-04-03
CN1220857C CN1220857C (en) 2005-09-28

Family

ID=4672141

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 01133936 Expired - Fee Related CN1220857C (en) 2001-08-13 2001-08-13 Double-temp. heat exchanger for boiler

Country Status (1)

Country Link
CN (1) CN1220857C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107588668A (en) * 2017-09-21 2018-01-16 成都实好电器有限公司 A kind of double pipe heat exchanger with special-shaped inner tube

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107588668A (en) * 2017-09-21 2018-01-16 成都实好电器有限公司 A kind of double pipe heat exchanger with special-shaped inner tube
CN107588668B (en) * 2017-09-21 2019-07-16 成都实好电器有限公司 A kind of double pipe heat exchanger with special-shaped inner tube

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Address after: Italy Lake

Patentee after: Riello S. P. A.

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Patentee before: Lialu S. P. A.

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Granted publication date: 20050928

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CF01 Termination of patent right due to non-payment of annual fee