CN1111715C - Heat pipe system for boiler - Google Patents
Heat pipe system for boiler Download PDFInfo
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- CN1111715C CN1111715C CN 98124252 CN98124252A CN1111715C CN 1111715 C CN1111715 C CN 1111715C CN 98124252 CN98124252 CN 98124252 CN 98124252 A CN98124252 A CN 98124252A CN 1111715 C CN1111715 C CN 1111715C
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- boiler
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- heat pipe
- pipe system
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Abstract
The present invention discloses a heat pipe system which is composed of a boiler body and a partition type heat device, and is especially suitable for any places where heat supply devices and heat use devices are mutually separated. The branch channel of a steam flow channel is provided with an adjusting and controlling valve; a steam-liquid separation tank, a liquid transfer pump, a liquid level adjusting and controlling device, and an inert gas exhausting device are arranged in a cold liquid flow channel. The present invention has peculiar heat transfer by heat pipes, and has the functions of system pressure or temperature display, and automatic control and alarm; the local heat use can be conveniently adjusted and controlled; the present invention has the advantages of no water supply, no drainage device, no scale formation, safe operation and high efficiency, and can prolong the service life, greatly save energy and be favorable for reforming the heating system of the existing ordinary boiler.
Description
Technical field:
The present invention relates to boiler heat supplying and adopting heat pipes for heat transfer, it is a kind of heat pipe system that has boiler plant, especially a kind of is the separated heat pipe system (system) of evaporimeter with the boiler, specifically about a kind of boiler body and dividing wall type heat exchanger of being applicable to---disconnected from each other and with the evaporimeter of boiler body as separate heat pipe with hot equipment, the superconduction that constitutes as the separate heat pipe condenser with dividing wall type heat exchanger is conducted heat to make a noise and is closed the circulatory system.
Background technology:
The heating system that existing plain cylindrical furnace and dividing wall type heat exchanger are formed, normally produce saturated vapor with the boiler heating, by steam flow channel input dividing wall type with hot equipment after the heat exchange condensation, from the steam trap open discharge, with high-pressure hydraulic pump condensate liquid and supplementing water are returned defeated back boiler again.Its thermal efficiency is very low, and energy consumption is big, and fouling easily such as boiler water tank, cold wall pipe, fume pipe, needs frequent blowing out to clean.Boiler must supporting supply equipment, draining device and many annexes, and the operating maintenance expense is more, and the Pressure gauge that is equipped with, liquid level gauge can only show by dial plate, can not control and report to the police.During the boiler superpressure.Can only be by safety valve release steam discharge.So it is very strict that operation requires.Transform boiler with single gravity type heat pipe, the one end is assemblied in the burner hearth, flue of boiler and absorbs heat, place water tank to heat its other end, the limited raising quantity of steam of this energy minor betterment heat transfer situation, but above-mentioned defective that can not the radical change conventional boiler, and heat pipe burns or explodes and is difficult to avoid, and is restricted so popularize.For addressing the above problem, the domestic in recent years heat pipe supplying heat system that developed in succession, especially separate heat pipe boiler heating system, " heat pipe supplying heat system " (patent No. 95209381.2) for example, " separate heat pipe heating system " ' (patent No. 91103204.5), " full heat pipe boiler " (number of patent application 95102090.0), " full heat pipe hot-blast stove and hot-air system (number of patent application 95116519.4) thereof; this class heat transfer system all is that condenser is placed on the boiler; rely on gravity reflux to carry out thermal cycle; but most hot device contexts of usefulness installs then that difficulty has the certain altitude difference can place on the boiler on the engineering; especially existing a large amount of plain cylindrical furnaces and conventional be not have certain drop available with hot equipment; if they are superseded or transform by the drop requirement, that is with significant wastage; For possessing gravity reflux drop condition, above-mentioned full heat pipe boiler, have to above burner hearth or flue, secondary steam generator or after-heater be set high level, by gas-distributing cylinder and distributing valve indirect steam or heating agent are delivered to the hot equipment of respectively using again, so make the system's complexity that obtained simplifying as the heat pipe form originally, can't give full play to the heat pipe efficient heat transfer and the advantageous characteristic that has.Simultaneously.Make the problem that has already overcome the water fouling in after-heater, produce fouling again; In addition, under need situation to the multiple devices heat supply, owing to there is not branch road heat supply regulation device, therefore the separate heat pipe heating system to the part for, with the adjusting of heat, the way that control can only rely on the shutoff condensing agent, or employing peak regulation value way, these all are passive control methods, it can not stop fully medium steam to those few with or continuation heat supply that need not hot equipment, and cause the heat release waste.
Summary of the invention:
Purpose of the present invention provides mainly that a kind of applicability is strong, safety, heat pipe system for boiler efficiently, it can use boiler body and dividing wall type heat exchanger to constitute the separate heat pipe heating system effectively, even do not having under the situation of drop, also can constitute superconduction heat transfer closed circulation system, and can regulate control with the part for saying with thermal condition to go overall.
Technical scheme of the present invention is achieved in that the evaporimeter of boiler heater as heat pipe, and will be with hot equipment as heat pipe condenser, boiler (evaporimeter) with hot equipment (condenser) mutually away from, with they UNICOMs, constitute superconduction heat transfer closed circulation system---separate heat pipe system with steam pipe, liquid back pipe.Be characterized in: in the middle of cold liquid runner, be provided with the gas-liquid separation storage tank of band liquid level control set for adjusting, Sui's gas tapping equipment, and use pump that the condensate liquid forced conveyance is returned boiler, carry out thermal cycle.
Said boiler evaporator is that the boiler that designs with existing plain cylindrical furnace or special type is an evaporimeter; The Pressure gauge of the original indispensability of boiler is changed into the pressure control device with pressure demonstration, control and warning function or acquires the attemperating unit of being with temperature demonstration, control and warning function; The hot equipment condenser of said usefulness is to be condenser with existing conventional dividing wall type heat exchanger or extraordinary design heat exchanger, comprise separate unit or many heat exchangers, form one the road or some branch roads according in parallel, series connection or series-parallel connection, each branch road is provided with steam admission arm, intake valve, condensate liquid backflow arm, tapping valve with hot equipment; The poor liquid level regulation device of said gas-liquid separation storage is made up of control valve, fluid level controller, flow controller and master selector, secondary controller, also can adopt one-parameter definite value regulation device, can also adopt the disturbance compensation adjusting device; The top of gas-liquid separation storage tank is provided with the automatic or manual emission control system of Sui's gas, by air bleeding valve or/and Sui gas detects controller forms.
Owing to adopt above-mentioned structure, so have following advantage and effect;
1, owing to adopt to force feed back EGR, thus boiler with hot equipment no matter which kind of is in highly, can both realize closed circulation.
2, form the adopting heat pipes for heat transfer system owing to boiler and with hot equipment, therefore just can make full use of burner hearth and flue heat, significantly improve the boiler heat absorption efficiency; Simultaneously, starting quick heating, heat transfer rate is fast, the two ends heat balance is fast, have a narrow range of temperature, the heat transfer efficiency height.Can save energy and reduce the cost significantly, not only save water, the power consumption of water system fully, can reduce fan energy consumption in a large number again, save a large amount of fuel consumptions, can also save the boiler operatiopn maintenance cost.
3, the present invention only needs to acquire hold-up vessel, infusion pump and control set for adjusting on its original cold liquid runner, so structure is simple especially because can utilize existing plain cylindrical furnace and dividing wall type heat exchanger.It is very convenient to implement transformation, and expense is cheap, helps existing various lots of plain cylindrical furnace and matching used conventional with hot scrap build utilization, many, fast, good, province, and economic benefit and social benefit are huge.
4, owing to adopt hold-up vessel liquid level regulation device, just can make things convenient for, regulate flow rapidly, equably, boiler liquid level is controlled in the safe scope.Simultaneously because boiler body adopts pressure or temperature demonstration, control and warning device, so when causing system pressure, temperature fluctuation, just can regulate automatically timely and effectively, control and balance when the local heating load of adjusting.Guarantee safe operation of the boiler, improve the boiler heat supplying automatization level.Because be installed into air valve and tapping valve respectively with hot equipment on each road, so that carry out adjusting, the control of local application of heat amount by hand.Detect the control tapping equipment because Sui's gas is installed again on hold-up vessel,, avoid system pressure to increase sharply or vapour lock so when incondensable gas occurring, just can discharge automatically above finite concentration.
5,, so boiler tube wall, drum wall non flouling behaviour can not corrode, make long-time efficient, the safe operation of boiler, greatly prolonged boiler service life because of not being working medium with the light water.
6, because endothermic effect is good, therefore fuel saving can reduce soot emissions, the favorable environment protection.
Description of drawings:
Be illustrated below in conjunction with drawings and Examples:
Fig. 1 is a structural principle schematic diagram of the present invention.
The specific embodiment:
As shown in Figure 1, the present invention includes the boiler body l that serves as evaporimeter, interior dress working medium 2, liquid level gauge 3 also is housed, pressure shows that control alarm 4, temperature show control alarm 5 and safety valve 6.After boiler 1 heating, working medium 2 evaporates rapidly, and steam enters with hot equipment 10,11.12,13 by vapor stream pipe 7, each arm 8, intake valve 9 becomes cold liquid to give the heat release condensation.Serve as the hot equipment 10,11,12,13 of usefulness of condenser, wherein 10 is in parallel with 11, and 12 and 13 are connected into separate branches.Return with hot equipment condensation on each road and to be provided with tapping valve 15 on 14, total manifold trunk is 16.Cold liquid is by backflow arm I4, tapping valve 15, flow into from middle storage tank 20 tops through manifold trunk 16, hold-up vessel 20 separates gas 19 with liquid 2, hold-up vessel 20 upper ends are provided with exhaust control device (forming by air bleeding valve 17 or with Gas controller 18), and its underpart is provided with fluid level control device (being made up of fluid level controller 21, master selector 22, secondary controller 23, flow controller 26 and control valve 27).Be provided with infusion pump 25 after the outlet of storage tank 20 lower ends is provided with pipe valve 24, valve, the output order of infusion pump 25 is connected with flow controller 26 and control valve 27.On the pipeline 29 of the output of control valve 27, be provided with one way stop peturn valve 28.Condensate liquid 2 is forced the circulation of absorbing heat again in the defeated back boiler body 1 through cold liquid delivery pump 25 by pipeline 29.
Above-mentioned boiler 1 can be common grate firing cell structure boiler, coal-powder boiler structure boiler, fluidized-bed combustion boiler, oil firing (gas) chamber combustion structure boiler, electrically heated boiler, also can be the boiler that manufactures and designs of special type or use other heater.Originally must have water facilities, steam trap, total steam valve, blowoff valve, existing because of closed circulation, give promptly that get rid of need not.The hot equipment the 10,11,12, the 13rd of above-mentioned usefulness, dividing wall type heat exchanger, it can be conventional tubular heat exchanger, double pipe heat exchanger, jacketed type exchanger, fin formula heat exchanger, submerged coil heat exchanger, spray-type coil heat exchanger, air-cooled heat exchanger, graphite heat exchanger, New-type plate heat exchanger or the like, the heat exchanger of also can adopt extraordinary design, making, it can be by separate unit or many through string, and or series-parallel connection permutation and combination.The fluid level control device of above-mentioned hold-up vessel 20 also can adopt one-parameter definite value regulation device, as forming regulation device with liquid-level switch or with fluid level controller and control valve, and for example the adjusting device that constitutes with proportional controller or PID adjuster and fluid level controller, control valve etc. can also adopt disturbance compensation adjusting device or the like.
When using, pressure on the boiler body or temperature control device can continuous number show pressure or Temperature numerical, the scope that can depart from set-point simultaneously according to system condition, cut-offfing or changing workload of output adjustment signal control executing agency (as air blast, feed appliance etc.) guarantees that system condition recovers normal, when pressure or temperature departure is supreme, during lower limit numerical value, promptly send warning,, light police alert as sound.In addition, can reach by the aperture of regulating each branch road inlet valve 9 and tapping valve 15 and regulate on this branch road of control confession and use heat with hot equipment, make each branch road operating mode normal.Hold-up vessel 20 is regulated and control self liquid level by the liquid level regulation device, thereby the liquid level that reaches regulation and control boiler body 1 makes it to keep appropriateness.Storage tank 20 is provided with the steam discharge control device, and Sui's gas 19 is discharged or manual emission under finite concentration automatically, avoids system pressure to increase sharply or vapour lock.The regulation and control of several respects just can make whole system be in safely and efficiently to move under the operating mode like this.
Claims (5)
1, a kind of heat pipe system for boiler, by the hot equipment combination of boiler that serves as evaporimeter and the usefulness of serving as condenser, interior dress working medium, boiler body with hot equipment mutually away from, they communicate with one another by vapor stream pipe and cold fluid flow tube, constitute superconduction heat transfer phase transformation circulation closed system---separate heat pipe system, it is characterized in that: use the evaporimeter of plain cylindrical furnace as heat pipe, the hot equipment of usefulness that uses conventional dividing wall type heat exchanger is provided with the gas-liquid separation storage tank and the pump of band liquid level regulation device, Sui's gas tapping equipment as heat pipe condenser in the condensate liquid runner.
2, a kind of heat pipe system for boiler according to claim 1, the hot equipment condenser of usefulness that it is characterized in that said conventional dividing wall type heat exchanger, by separate unit or many heat exchangers (10), (11), (12), (13), form one the road or some branch roads according in parallel, series connection or series-parallel connection, each branch road is provided with steam admission arm (8) and intake valve (9), condensate liquid backflow arm (14) and tapping valve (15) with hot equipment.
3, a kind of heat pipe system for boiler according to claim 1 is characterized in that the Pressure gauge of the original indispensability of boiler is changed into the pressure control device (4) with pressure demonstration, control and warning function or acquires the attemperating unit (5) of being with temperature demonstration, control and warning function.
4, heat pipe system for boiler according to claim 1, the liquid level regulation device that it is characterized in that the gas-liquid separation storage tank is made up of fluid level controller (21), control valve (27), flow controller (26) and master selector (22), secondary controller (23), also can adopt one-parameter definite value regulation device or adopt the disturbance compensation adjusting device.
5, heat pipe system for boiler according to claim 1 is characterized in that the top of gas-liquid separation storage tank is provided with the automatic or manual emission control system of Sui's gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98124252 CN1111715C (en) | 1998-11-03 | 1998-11-03 | Heat pipe system for boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98124252 CN1111715C (en) | 1998-11-03 | 1998-11-03 | Heat pipe system for boiler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1253258A CN1253258A (en) | 2000-05-17 |
| CN1111715C true CN1111715C (en) | 2003-06-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98124252 Expired - Fee Related CN1111715C (en) | 1998-11-03 | 1998-11-03 | Heat pipe system for boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1111715C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101573564B (en) * | 2006-10-12 | 2012-09-19 | 埃内尔格蒂克斯根列克有限公司 | A closed cycle heat transfer device and method |
| CN103292308A (en) * | 2012-02-27 | 2013-09-11 | 陈伟达 | Multi-effect siphon phase-change circular heat transfer system |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100424457C (en) * | 2006-06-20 | 2008-10-08 | 青岛大学 | Controllable bi-circulating hot-pipe system |
| JP2012132661A (en) * | 2010-12-01 | 2012-07-12 | Fujitsu Ltd | Cooling device and electronic device |
| CN102980168B (en) * | 2012-12-10 | 2016-04-13 | 北京德能恒信科技有限公司 | A kind of power heat pipe boiler heat transfer system |
| CN102997699B (en) * | 2012-12-25 | 2014-06-18 | 潍坊联兴新材料科技股份有限公司 | Coking waste-heat utilization vapor-water circulatory system after high-temperature calcining of a plurality of pot-type calcining furnaces |
| CN109731358A (en) * | 2019-02-15 | 2019-05-10 | 陕西陕化煤化工集团有限公司 | A kind of evaporation concentration system |
-
1998
- 1998-11-03 CN CN 98124252 patent/CN1111715C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101573564B (en) * | 2006-10-12 | 2012-09-19 | 埃内尔格蒂克斯根列克有限公司 | A closed cycle heat transfer device and method |
| CN103292308A (en) * | 2012-02-27 | 2013-09-11 | 陈伟达 | Multi-effect siphon phase-change circular heat transfer system |
| CN103292308B (en) * | 2012-02-27 | 2015-02-25 | 陈伟达 | Multi-effect siphon phase-change circular heat transfer system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1253258A (en) | 2000-05-17 |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030618 Termination date: 20161103 |