CN1140751C - Heat supply device capable of recovering aqueous vapour latent heat in fuel gas, fuel oil boiler flue gas - Google Patents
Heat supply device capable of recovering aqueous vapour latent heat in fuel gas, fuel oil boiler flue gas Download PDFInfo
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- CN1140751C CN1140751C CNB011367040A CN01136704A CN1140751C CN 1140751 C CN1140751 C CN 1140751C CN B011367040 A CNB011367040 A CN B011367040A CN 01136704 A CN01136704 A CN 01136704A CN 1140751 C CN1140751 C CN 1140751C
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- heat pump
- absorber
- flue gas
- heat
- condenser
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Abstract
The present invention discloses a heat supply device for recycling hidden heat in water vapour in flue gases of gas burning boilers and oil burning boilers, which comprises a boiler, a heat supply pipe and an absorption heat pump, wherein the absorption heat pump is composed of a generator, a solution exchanger, an absorber, an evaporator, a condenser and a connecting pipe; the evaporator is arranged in a flue of the boiler, and the heat supply pipe passes through the condenser and the absorber of the absorption heat pump. The present invention solves the problem in the prior art that because of the cold working substance, etc., condensation boilers are difficult to popularize and use in the field of heat supply, and is mainly used for recycling residual heat in flue gases of the gas burning boilers and the oil burning boilers in heat supply systems.
Description
Technical field
The present invention relates to a kind of heating plant, particularly reclaim the heating plant of vapour latent heat in combustion gas, the oil burning boiler flue gas.
Background technology
Combustion gas, oil burning boiler can produce a large amount of water when burning, it is calculated that 1m
3Combustion of natural gas the time can produce the above water of 1.6kg.Therefore, contain a large amount of water vapours in the flue gas of such boiler emission.In order to utilize this partly latent heat of water vapour, a kind of condenser boiler has appearred at present.In this boiler,, the water vapor condensation in the flue gas is adopted hot purpose to reach by the cold working medium of outside need heating by a condensing heat exchanger.This condensing boiler must need the cold working medium of being heated of enough low temperature when using, and just can make flue-gas temperature drop to the condensation temperature of steam.But the heat supply return water temperature is higher generally speaking, often can't make flue gas drop to due condensation temperature, thereby this condenser boiler is difficult in the heat supply field and promotes the use of.
Summary of the invention
Shortcoming at prior art in the background technology, the invention provides a kind of heating plant that reclaims vapour latent heat in combustion gas, the oil burning boiler flue gas, this device can provide the cooling working medium of enough low temperature for combustion gas, oil burning boiler, water vapor condensation in the flue gas is got off, can recycle the condensation heat of steam again, the heat supply backwater is heated.
The present invention includes boiler, absorption heat pump and heating tube, described absorption heat pump is made of generator, absorber, evaporimeter, condenser and tube connector.Generator, condenser, evaporimeter and absorber are concatenated into the loop by tube connector successively.Its design feature is, described evaporimeter is arranged in the flue of described boiler, and described heating tube is by the condenser and the absorber of described absorption heat pump.
According to technique scheme, described absorption heat pump is the single-effective absorption heat pump.
According to technique scheme, described absorption heat pump is a double effect absorption type heat pump.
According to technique scheme, also be provided with solution heat exchanger on the generator of described absorption heat pump and the tube connector of absorber.
According to technique scheme, the part of described heating tube in described condenser and absorber is the annular tube bank.
According to technique scheme, described evaporator surface is provided with smoke exhaust pipe.
The present invention connects and flue gas heat exchange by the evaporator man of absorption heat pump is upright, makes the water vapour condensation in the flue gas, thereby with a large amount of flue gas waste heat recoveries and be used for heat supply, makes the efficient of combustion gas, oil burning boiler be greatly improved on original basis.Because the water that coagulates in the flue gas has absorbed the NO in the partial fume
x, SO
xDeng pernicious gas.Therefore, the present invention also correspondingly makes the discharge of harmful gases amount reduce significantly when improving boiler efficiency, helps environmental protection.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
Present embodiment is an example with the single-effective absorption heat pump.As shown in Figure 1: absorption heat pump is made of generator 1, solution heat exchanger 3, absorber 4, condenser 6, evaporimeter 7 and tube connector.Combustion chamber 2 is set, combustion chamber 2 peripheral solution chamber in the generator 1 for sealing.Combustion chamber 2 makes it parse refrigerant vapour and high concentration absorbent to the working medium heating of its peripheral splendid attire; The solution cavity top of absorber 4 is provided with shower nozzle, and this shower nozzle and solution cavity bottom are communicated with the closed chamber of generator 1 by tube connector respectively and form closed circuit, on the tube connector bottom the solution cavity of absorber 4 pump 5-1 are set.Pump 5-1 is used for the working medium in the absorber 4 is annotated back generator 1; Solution heat exchanger 3 is arranged on the tube connector between generator 1 and the absorber 4, makes the liquid that enters and flow out generator 1 carry out heat exchange; Evaporimeter 7 is arranged in the flue of boiler 8, and its solution cavity is communicated with by the solution cavity of tube connector with absorber 4, bottom the solution cavity of evaporimeter 7 and on the tube connector of the shower nozzle on top pump 5-2 is being set.In the two sides of evaporimeter 7 10 smoke exhaust pipes 9 are set respectively, described boiler 8 discharged flue gas from smoke exhaust pipe 9 by and carry out heat exchange with evaporimeter 7; Condenser 6 is communicated with the chamber of generator 1 and evaporimeter 7 respectively by tube connector.Heating tube 10 is by absorber 4 and condenser 6, and its part absorber 4 and condenser 6 in is made the annular tube bank, on heating tube, be provided with pump 5-3 with so that the water in the heating tube 10 circulate.
Working medium in the generator 1 is the mono-potency lithium bromide aqueous solution.During work, being the refrigerant vapour that imports from generator 1 in the condenser 6, is the cryogen solution that condenser 6 flows in the evaporimeter 7, is the absorbent of generator 1 inflow and the refrigerant vapour that sucks from evaporimeter 7 in the absorber 4.
The course of work: the working media in the generator 1 parses refrigerant vapour and absorbent under the heating of high temperature heat source 2.Refrigerant vapour enters condenser 6 and the heating tube that is arranged on is wherein carried out condensation by tube connector, discharges condensation latent heat simultaneously and the water in the heating tube is heated, and condensed cryogen enters evaporimeter 7.In evaporimeter 7, by pump 5-2 constantly from it the shower nozzle of portion be injected in smoke exhaust pipe 9 the surface with heat absorption, the cryogen solution after the heat absorption is evaporated into refrigerant vapour once more; The high concentration absorbent that parses in the generator 1 enters absorber 4, and absorbs refrigerant vapour by tube connector from evaporimeter 7, discharges heat when absorbing, and the water in the heating tube 10 that is arranged in the absorber 4 is heated.Concentration reduces behind the refrigerant vapour in the high concentration absorbent absorption evaporimeter 7 in the absorber 4, annotates by pump 5-1 then and gets back in the generator 1.
The single-effective absorption heat pump of prior art can replace with the double effect absorption type heat pump of prior art in the present embodiment, and being provided with of heat supply water pipe and evaporimeter is all identical with present embodiment, and its working method is also identical.
Claims (6)
1, a kind of heating plant that reclaims vapour latent heat in combustion gas, the oil burning boiler flue gas, comprise boiler (8), absorption heat pump, heating tube (10), described absorption heat pump comprises generator (1), absorber (4), evaporimeter (7), condenser (6) and tube connector, and generator (1), condenser (6), evaporimeter (7) and absorber (4) are concatenated into the loop by tube connector successively; It is characterized in that described evaporimeter (7) is arranged in the flue of described boiler (8), described heating tube (10) is by the condenser (6) and the absorber (4) of described absorption heat pump.
2, the heating plant of vapour latent heat in recovery combustion gas according to claim 1, the oil burning boiler flue gas is characterized in that described absorption heat pump is the single-effective absorption heat pump.
3, the heating plant of vapour latent heat in recovery combustion gas according to claim 1, the oil burning boiler flue gas is characterized in that described absorption heat pump is a double effect absorption type heat pump.
4,, it is characterized in that also being provided with solution heat exchanger (3) on the tube connector of the generator (1) of described absorption heat pump and absorber (4) according to the heating plant of vapour latent heat in claim 1,2 or 3 described recovery combustion gas, the oil burning boiler flue gas.
5, the heating plant of vapour latent heat in recovery combustion gas according to claim 1, the oil burning boiler flue gas is characterized in that described evaporimeter (7) surface is provided with smoke exhaust pipe (9).
6, the heating plant of vapour latent heat in recovery combustion gas according to claim 1, the oil burning boiler flue gas is characterized in that the part that described heating tube (10) is arranged in condenser (6) and the absorber (4) is the annular tube bank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011367040A CN1140751C (en) | 2001-10-22 | 2001-10-22 | Heat supply device capable of recovering aqueous vapour latent heat in fuel gas, fuel oil boiler flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011367040A CN1140751C (en) | 2001-10-22 | 2001-10-22 | Heat supply device capable of recovering aqueous vapour latent heat in fuel gas, fuel oil boiler flue gas |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1414287A CN1414287A (en) | 2003-04-30 |
| CN1140751C true CN1140751C (en) | 2004-03-03 |
Family
ID=4673844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011367040A Expired - Fee Related CN1140751C (en) | 2001-10-22 | 2001-10-22 | Heat supply device capable of recovering aqueous vapour latent heat in fuel gas, fuel oil boiler flue gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1140751C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101922799A (en) * | 2010-07-26 | 2010-12-22 | 清华大学 | Flue gas waste heat recovery system based on solution absorption cycle |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216972A (en) * | 2013-04-22 | 2013-07-24 | 天津大学 | Novel gas-fired boiler smoke discharging and heat recovery method |
| CN103471284B (en) * | 2013-09-18 | 2015-07-08 | 浙江大学 | Absorbing type heat and moisture waste gas energy recovery system |
| CN104110842A (en) * | 2014-07-22 | 2014-10-22 | 江苏双良锅炉有限公司 | Water boiler system realizing condensation via a smoke type lithium bromide heat pump |
-
2001
- 2001-10-22 CN CNB011367040A patent/CN1140751C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101922799A (en) * | 2010-07-26 | 2010-12-22 | 清华大学 | Flue gas waste heat recovery system based on solution absorption cycle |
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| Publication number | Publication date |
|---|---|
| CN1414287A (en) | 2003-04-30 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AR01 | Abandonment of patent right to avoid double patenting |
According to article 9 of the patent law and article 13 of the detailed rules for the implementation of the patent law: 1136704 of the invention patents in this issue as a notice of authorization, and at the same time corresponding to the 1267834.1 utility model patent to be given up, and in the 20 volume of the 9 issue of the new type of communique on the patent right to abandon the announcement. |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: TONGFANG CO., LTD. Free format text: FORMER NAME OR ADDRESS: TSINGHUA TONGFANG CO., LTD. |
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| CP03 | Change of name, title or address |
Address after: 100083 Beijing Tsinghua Tongfang science and Technology Square A block 2907 Patentee after: Tongfang Co.,Ltd. Address before: 100083 Beijing Tsinghua Tongfang science and Technology Square A block 2907 Patentee before: TSINGHUA TONGFANG Co.,Ltd. |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040303 Termination date: 20121022 |