CN104728899A - Hot wind and electric assistant heating mixed type heat exchanger - Google Patents
Hot wind and electric assistant heating mixed type heat exchanger Download PDFInfo
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- CN104728899A CN104728899A CN201510108057.8A CN201510108057A CN104728899A CN 104728899 A CN104728899 A CN 104728899A CN 201510108057 A CN201510108057 A CN 201510108057A CN 104728899 A CN104728899 A CN 104728899A
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Abstract
The invention belongs to the technical field of heat supplying systems and particularly relates to a hot wind and electric assistant heating mixed type heat exchanger. Specifically, the heat exchanger is a fluid heat exchanger in which hot wind and an electric assistant heating mode are combined, and components such as a hot wind channel, a water pipe and an electric heating pipe are welded and assembled in a metal shell. The hot wind and electric assistant heating mixed type heat exchanger comprises the high-temperature hot wind channel, a wind pipe bundle set, an inner water container and an electric assistant heating pipe set. The fluid heat exchanger in which hot wind and the electric assistant heating mode are combined can achieve the purpose that when the waste heat of a heat storage boiler is insufficient, the direct heating mode that electric power is used for conducting quick assistant heating is adopted to cooperate with the heat storage boiler for heat supplying, and under the environment where continuous heat supplying is required, assistant direct heating electric heating is adopted while a regenerating furnace is used for heat storage during the valley period. The mixed type heating method effectively solves the problem of mechanical damage of an electric heat storage type boiler. The heat exchanger is produced in a matched mode and creates favorable conditions for scale application and popularization of the electric heat storage type boiler. The hot wind and electric assistant heating mixed type heat exchanger is good in market prospects and considerable in economic benefit.
Description
Technical field
The invention belongs to the technical field of heating system, particularly relate to a kind of hot blast and the additional hot direct contact heat exchanger of electricity, the fluid heat exchanger specifically combined by hot blast and electric auxiliary heating mode is a kind of heat exchanger that welding procedure and assembly is made up of components and parts such as hot-flow flue, water lines and electric heating tubes in metal shell.
Background technology
The boiler room that current town and country at home, factory and enterprises and institutions use or heat exchange station are substantially all adopt coal for producing vapours and hot water space heating boiler, fuel oil to heat several mode such as steam and hot water space heating boiler, electrically direct-heating hot water space heating boiler, electric accumulation of heat steam and hot water space heating boiler.Coal-fired, fuel oil heats contaminated environment and resource is day by day exhausted, medium small boiler is banned gradually.Directly-heated type electric boiler power consumption is large, and heat cost high, general unit makes can not afford.
Modern emerging electric heat accumulating type boiler adopts the low-price electricity accumulation of heat of paddy period, and hot water, hot blast, deep fat or steam are produced in peak or at ordinary times section (high price or par electricity) heat release.But paddy electricity limited time, generally at 7 hours, the thermal energy stored weakens gradually with Exotherm Time prolongation (24 hours), and can not meet heat demand, heating system temperature is difficult to up to standard, so promote slow, effect is bad.
Summary of the invention
In order to solve the technical problem that above-mentioned prior art exists, the invention provides a kind of hot blast and the additional hot direct contact heat exchanger of electricity.Object is to provide a kind of hybrid heating method, effectively solves the hard defects defect problem that cannot ensure continuous heat supply of electric heat accumulating type boiler.
The technical scheme that the present invention realizes inventing is as follows:
Hot blast and the additional hot direct contact heat exchanger of electricity, comprise high-temperature hot air channel, airduct bundle group, water inner bag and electric auxiliary heating pipe group; Be provided with air inlet duct case on the top of heat exchanging body, the bottom of heat exchanging body is provided with exhaust passage case, and heat exchanging body is divided into upper and lower two parts by the telescopic joint that heat exchange body connects; Described air inlet duct case is connected with air intake road junction and air inlet duct temperature sensor; The inside of described heat exchanging body comprises: water inner bag, air pipe line bundle and auxiliary heating silk group; The side of heat exchanging body connects auxiliary heating silk group, and auxiliary heating silk group laterally penetrates in the water inner bag of heat exchanging body; Air pipe line bundle is connected with in heat exchanging body; The top of heat exchanging body is connected with safety valve and outlet pipe, outlet pipe is connected with outlet pipe temperature sensor; Heat exchanging body bottom is connected with return pipe and blowoff valve; Wherein return pipe is connected with return pipe temperature sensor, between return pipe and return pipe temperature sensor, connects return pipe flowmeter.
Two ends up and down inside described heat exchanging body are respectively equipped with pipe welded plate, and pipe welded plate is provided with multiple hole, and metal tube two ends intrafascicular with air pipe line, the hole on two pieces of pipe welded plates are mutually airtight to be connected; Airtight water inner bag is formed with two pieces of pipe welded plates and heat exchanging body shell inwall outside the metal tube of air pipe line bundle.
Penetrate auxiliary heating silk group in the middle of described water inner bag, the binding post of auxiliary heating silk group is connected with heat exchanging body is airtight.
Described heat exchanging body is connected with heat exchanging body flange by exhaust passage case with exhaust passage case; The bottom of exhaust passage case is connected with air-out road junction, and air-out road junction connects frequency conversion fan D; Air-out road junction is also connected with exhaust passage temperature sensor.
Described auxiliary heating silk group is provided with 8 groups.
Advantageous effect of the present invention is:
Adopt the fluid heat exchanger combined by hot blast and electric auxiliary heating mode, heat storage boiler can be realized when waste heat quantity not sufficient, the directly-heated mode utilizing electric power to carry out auxiliary Fast Heating coordinates heat supply, and under the environment of continuous heat supply requirement, while utilizing the regenerative furnace accumulation of heat of paddy period, with auxiliary directly-heated electrical heating heating.This hybrid heating method, efficiently solves the hard defects defect of electric heat accumulating type boiler.This heat exchanger that forms a complete production network is that the application of electric heat accumulating type boiler large-scale popularization creates favorable conditions.Market distant view is good, economic benefits.It is one of essential scheme of electric heating engineering in future.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention;
Fig. 2 is stereogram of the present invention;
Fig. 3 is structural representation of the present invention;
Fig. 4 is the top view of Fig. 3;
Fig. 5 is the generalized section of Fig. 4;
Fig. 6 is the profile of Fig. 3;
Fig. 7 is auxiliary power heating wire structure schematic diagram in the present invention;
Fig. 8 is the left view of Fig. 7;
Fig. 9 is the profile of Fig. 8;
Figure 10 is the right view of Fig. 7;
Figure 11 is the profile of Fig. 4.
In figure: air inlet duct case 1, air intake road junction 2, air inlet duct temperature sensor 3, flange 4, heat exchanging body 5, telescopic joint 6, exhaust passage case 7, exhaust passage case and heat exchanging body flange 8, air-out road junction 9, auxiliary heating silk group 10, outlet pipe 11, outlet pipe temperature sensor 12, return pipe flowmeter 13, return pipe temperature sensor 14, exhaust passage temperature sensor 15, return pipe 16, safety valve 17, blowoff valve 18, air pipe line bundle 19, water inner bag 20, pipe welded plate 21; Heat storage boiler heat storage A, heat exchanger B, frequency conversion fan D, upper air duct hot blast F1, lower air duct hot blast F2, upper heating hot-water heating system recirculated water S1, lower heating hot-water heating system recirculated water S2.
Detailed description of the invention
The present invention is the additional hot direct contact heat exchanger of a kind of hot blast and electricity.Specifically high-temperature hot air channel, airduct bundle group, water inner bag are connected alternately with electric auxiliary heating Guan Zusi kind components and parts and design in a metallic recuperator housing
,as Figure 1-Figure 11.
Hot blast enters in air intake road junction 2, and air intake road junction 2 connects air inlet duct case 1, and air intake road junction 2 also connects air inlet duct temperature sensor 3 simultaneously.Air inlet duct case 1 is connected with heat exchanging body 5 top by flange 4; Heat exchanging body 5 mid portion welding telescopic joint 6 regulates heat exchanging body expanded by heating amount.The top of heat exchanging body 5 connects outlet pipe 11, outlet pipe 11 is connected with outlet pipe temperature sensor 12.Heat exchanging body 5 top is also connected with safety valve 17.Heat exchanging body 5 bottom connects return pipe 16, return pipe 16 is connected to return pipe temperature sensor 14, connects return pipe flowmeter 13 between the backwater mouth of pipe and return pipe temperature sensor 14.Heat exchanging body 5 bottom also connects blowoff valve 18.Described heat exchanging body 5 comprises: water inner bag, air pipe line bundle and auxiliary heating silk group.
Heat exchanging body 5 is connected with heat exchanging body flange 8 by exhaust passage case with exhaust passage case 7; The bottom of exhaust passage case 7 is connected with air-out road junction 9, and air-out road junction 9 connects frequency conversion fan D.Air-out road junction 9 is also connected with exhaust passage temperature sensor 15.
The side of heat exchanging body 5 connects auxiliary heating silk group 10, and auxiliary heating silk group 10 laterally penetrates in the water inner bag 20 of heat exchanging body 5.
Heat exchanging body 5 internal structure is: the two ends up and down inside heat exchanging body 5 are welded with pipe welded plate 21 respectively, pipe welded plate 21 has more than 300 hole, more than 300 root metal tubes of having an appointment in the hole on two pieces of pipe welded plates 21 and airduct road bundle 19, outer, two ends is welded, need airtight, pressure-bearing, can not leak.The inner wall of metal tube of air pipe line bundle 19 passes through hot blast; Airtight water inner bag 20 is formed with two pieces of pipe welded plates 21 and heat exchanging body 5 shell inwall outside the metal tube of air pipe line bundle 19.
Leave the space of installing electrical heating wire group in the middle of heat exchanging body 5 water inner bag 20, can penetrate 8 groups of auxiliary heating silk groups, 10,8 groups of auxiliary heating silk group 10 binding posts should be airtight with heat exchanging body 5, can not leak.Hot blast and auxiliary electrical heater are enabled simultaneously, also can be used alternatingly.
Operation principle of the present invention is as follows:
As shown in Figure 1, heat storage boiler heat storage A, heat exchanger B, frequency conversion fan D, upper air duct hot blast F1 and lower air duct hot blast F2, heating hot-water heating system recirculated water S1 and heating hot-water heating system recirculated water S2.Utilize the paddy period by more than heat storage boiler heat storage A accumulation of heat to 500 DEG C.Now, when the A accumulation of heat of heat storage boiler heat storage, with auxiliary electrical heater heat exchanger B.When heat supply, start frequency conversion fan D to blow between heat storage boiler heat storage A and heat exchanger B, high-temperature hot-air in upper air duct hot blast F1 in heat exchanger B and lower air duct hot blast F2 carries out heat exchange with heating hot-water heating system recirculated water S1 and the hot-water heating system recirculated water S2 that heats, and realizes heating.
For heat exchanger be: by high-temperature hot-air, water heating is produced hot water or steam, realize power conversion by heat exchanger.Heat exchanger liner longitudinal row row's hundreds of root stainless steel tube or copper tube, as air pipe line bundle 19, are fastened in housing with pipe welded plate, are connected airtight formation water inner bag outside air pipe line bundle 19 with housing.Insert 8 groups of electric heating tubes and auxiliary heating silk group 10 from heat exchanger intermediate lateral again, be through in water courage as auxiliary heater.First, flow into water at low temperature from return pipe 16 and fill water inner bag, flow out hot water from outlet pipe 11 and enter heating system pipeline.The heat frequency conversion fan of electricity heat storage boiler circulates in airtight air channel, produce high-temperature hot-air and send into heat exchanger top air inlet duct, enter in the hundreds of root metal tube of air pipe line bundle 19, taken away heat by water inner bag 20 after recirculated water heat absorption, the hot blast of cooling turns back to electric heat storage boiler through bottom air-return duct.And carry out adjusting water outlet temperature by the size of frequency modulation control hot blast rate.
Claims (5)
1. hot blast and the additional hot direct contact heat exchanger of electricity, is characterized in that: comprise high-temperature hot air channel, airduct bundle group, water inner bag and electric auxiliary heating pipe group; Be provided with air inlet duct case (1) on the top of heat exchanging body (5), the bottom of heat exchanging body (5) is provided with exhaust passage case (7), and heat exchanging body (5) is divided into upper and lower two parts by the telescopic joint (6) that heat exchanging body (5) middle part connects; Described air inlet duct case (1) is connected with air intake road junction (2) and air inlet duct temperature sensor (3);
The inside of described heat exchanging body (5) comprising: water inner bag (20), air pipe line bundle (19) and auxiliary heating silk group (10); The side of heat exchanging body (5) connects auxiliary heating silk group (10), and auxiliary heating silk group (10) laterally penetrates in the water inner bag (20) of heat exchanging body (5); Air pipe line bundle (19) is connected with in heat exchanging body (5);
The top of heat exchanging body (5) is connected with safety valve (17) and outlet pipe (11), outlet pipe (11) is connected with outlet pipe temperature sensor (12); Heat exchanging body (5) bottom is connected with return pipe (16) and blowoff valve (18); Wherein return pipe (16) is connected with return pipe temperature sensor (14), between return pipe (16) and return pipe temperature sensor (14), connects return pipe flowmeter (13).
2. hot blast according to claim 1 and the additional hot direct contact heat exchanger of electricity, it is characterized in that: the two ends up and down of described heat exchanging body (5) inner side are respectively equipped with pipe welded plate (21), pipe welded plate (21) is provided with multiple hole, and the hole on two pieces of pipe welded plates (21) is connected with the metal tube two ends in air pipe line bundle (19) are mutually airtight; Airtight water inner bag (20) is formed with two pieces of pipe welded plates (21) and heat exchanging body (5) shell inwall outside the metal tube of air pipe line bundle (19).
3. hot blast according to claim 1 and the additional hot direct contact heat exchanger of electricity, is characterized in that: penetrate auxiliary heating silk group (10) in the middle of described water inner bag (20), the binding post of auxiliary heating silk group (10) is connected with heat exchanging body (5) is airtight.
4. hot blast according to claim 1 and the additional hot direct contact heat exchanger of electricity, is characterized in that: described heat exchanging body (5) is connected with heat exchanging body flange (8) by exhaust passage case with exhaust passage case (7); The bottom of exhaust passage case (7) is connected with air-out road junction (9), and air-out road junction (9) connect frequency conversion fan D; Air-out road junction (9) is also connected with exhaust passage temperature sensor (15).
5. hot blast according to claim 1 and the additional hot direct contact heat exchanger of electricity, is characterized in that: described auxiliary heating silk group (10) is provided with 8 groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510108057.8A CN104728899B (en) | 2015-03-12 | 2015-03-12 | Hot blast and electric additional hot mixing formula heat exchanger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510108057.8A CN104728899B (en) | 2015-03-12 | 2015-03-12 | Hot blast and electric additional hot mixing formula heat exchanger |
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| Publication Number | Publication Date |
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| CN104728899A true CN104728899A (en) | 2015-06-24 |
| CN104728899B CN104728899B (en) | 2017-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510108057.8A Expired - Fee Related CN104728899B (en) | 2015-03-12 | 2015-03-12 | Hot blast and electric additional hot mixing formula heat exchanger |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106931642A (en) * | 2015-12-30 | 2017-07-07 | 沈阳兰昊新能源科技有限公司 | Biomass fuel heat accumulating type hot air boiler |
| CN106931643A (en) * | 2015-12-30 | 2017-07-07 | 沈阳兰昊新能源科技有限公司 | Portable electricity accumulation of energy hot air boiler |
| CN107289622A (en) * | 2017-08-11 | 2017-10-24 | 安徽科海压缩机制造有限公司 | A kind of heated by natural gas device for being capable of temperature control |
| CN110500782A (en) * | 2019-10-08 | 2019-11-26 | 沈阳工程学院 | A kind of solid electric heat storage formula boiler plant electric thermal power arrangement |
| CN111023229A (en) * | 2019-11-19 | 2020-04-17 | 中科凯瑞新能源有限公司 | Complementary type solid electric heat storage unit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2275701Y (en) * | 1996-09-13 | 1998-03-04 | 张玉斌 | Dual-purpose water heater using solar energy or electric heating |
| CN202002315U (en) * | 2011-03-21 | 2011-10-05 | 石家庄华安热能科技有限公司 | Self-energy-storage electric boiler |
| CN202133111U (en) * | 2011-07-19 | 2012-02-01 | 朱杰 | Closed hot-air circulation high-temperature solid heat-accumulation electric water heater unit |
| GB2500735A (en) * | 2012-03-26 | 2013-10-02 | Basic Holdings | Hot liquid cylinder having a controller arranged to communicate with a remote operator |
| CN204574199U (en) * | 2015-03-12 | 2015-08-19 | 李安平 | Hot blast and the additional hot direct contact heat exchanger of electricity |
-
2015
- 2015-03-12 CN CN201510108057.8A patent/CN104728899B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2275701Y (en) * | 1996-09-13 | 1998-03-04 | 张玉斌 | Dual-purpose water heater using solar energy or electric heating |
| CN202002315U (en) * | 2011-03-21 | 2011-10-05 | 石家庄华安热能科技有限公司 | Self-energy-storage electric boiler |
| CN202133111U (en) * | 2011-07-19 | 2012-02-01 | 朱杰 | Closed hot-air circulation high-temperature solid heat-accumulation electric water heater unit |
| GB2500735A (en) * | 2012-03-26 | 2013-10-02 | Basic Holdings | Hot liquid cylinder having a controller arranged to communicate with a remote operator |
| CN204574199U (en) * | 2015-03-12 | 2015-08-19 | 李安平 | Hot blast and the additional hot direct contact heat exchanger of electricity |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106931642A (en) * | 2015-12-30 | 2017-07-07 | 沈阳兰昊新能源科技有限公司 | Biomass fuel heat accumulating type hot air boiler |
| CN106931643A (en) * | 2015-12-30 | 2017-07-07 | 沈阳兰昊新能源科技有限公司 | Portable electricity accumulation of energy hot air boiler |
| CN107289622A (en) * | 2017-08-11 | 2017-10-24 | 安徽科海压缩机制造有限公司 | A kind of heated by natural gas device for being capable of temperature control |
| CN110500782A (en) * | 2019-10-08 | 2019-11-26 | 沈阳工程学院 | A kind of solid electric heat storage formula boiler plant electric thermal power arrangement |
| CN111023229A (en) * | 2019-11-19 | 2020-04-17 | 中科凯瑞新能源有限公司 | Complementary type solid electric heat storage unit |
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| CN104728899B (en) | 2017-11-07 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhao Qingqi Inventor after: Yang Dongsheng Inventor after: Wen Jin Inventor after: Yang Baoqu Inventor after: Pang Yongheng Inventor after: Li Anping Inventor after: Yang Yingxuan Inventor after: Shang Yue Inventor before: Li Anping Inventor before: Zhao Qingqi Inventor before: Guo Zhenwei Inventor before: Jiang Libing |
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| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171221 Address after: Heping District, Siping City of Shenyang province Liaoning 110006 Street No. 39-7 Co-patentee after: STATE GRID LIAONING ENERGY SAVING SERVICES CO., LTD. Patentee after: Electric Power Research Institute of State Grid Liaoning Electric Power Co., Ltd. Co-patentee after: Northeastern University Co-patentee after: State Grid Corporation of China Address before: No. 9-6, Jiahe Road, peace zone, Shenyang, Liaoning, Liaoning, 311 Co-patentee before: Zhao Qingqi Patentee before: Li Anping |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171107 Termination date: 20180312 |
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| CF01 | Termination of patent right due to non-payment of annual fee |