CN2034675U - Exhaust gas, waste heat recovering system - Google Patents
Exhaust gas, waste heat recovering system Download PDFInfo
- Publication number
- CN2034675U CN2034675U CN88204566U CN88204566U CN2034675U CN 2034675 U CN2034675 U CN 2034675U CN 88204566 U CN88204566 U CN 88204566U CN 88204566 U CN88204566 U CN 88204566U CN 2034675 U CN2034675 U CN 2034675U
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- CN
- China
- Prior art keywords
- heat
- water
- exhaust gas
- waste heat
- waste
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002918 waste heat Substances 0.000 title abstract description 10
- 239000007789 gas Substances 0.000 title abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 238000011084 recovery Methods 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 239000002699 waste material Substances 0.000 claims description 30
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000001172 regenerating effect Effects 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 4
- 239000003814 drug Substances 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 2
- 238000005338 heat storage Methods 0.000 abstract 1
- 238000005057 refrigeration Methods 0.000 description 4
- 230000001954 sterilising effect Effects 0.000 description 4
- 238000004659 sterilization and disinfection Methods 0.000 description 4
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model discloses an exhaust gas, waste heat recovering system used for the waste heat recovery of sterilized exhaust gas in medicine industries, chemical industries, etc. The exhaust gas, waste heat recovering system is mainly composed of a gas-water heat exchanger unit, a two-way hot water heat storage device, a regulation system for fixing water temperature and changing the quantity of water and a heat utilization device. Via the exhaust gas, waste heat recovering system, in the situation of fluctuating tens of times per hour in a day, hot water used in different workshops for providing unified heat source with stable heat source parameter and stable quantity for heat utilization devices can be used for refrigerating in not-heating period for technical cooling or lowering the temperature of air-conditioner as well as heating in winter, exhaust gas and waste heat can be utilized fully in whole year, and the recovery availability of the exhaust gas of the existing system below 30 % can be raised over 90 %.
Description
The utility model belongs to the low grade residual heat recycling system, is used for the waste heat recovery of the sterilization tail vapour of industries such as medicine, chemical industry.
At present, even industrially developed country's energy utilization rate also has only about 50% in the world, the potentiality that industrial exhaust heat utilizes are very big.Yet in fact a large amount of waste heats are had to waste heat discharge in environment.This is because heat recovery often has many difficulties, mainly is that grade is low, and discharge capacity fluctuation is big, and inconsistent with the load variations rule with heat, and season is load unbalanced, and the technological process specific (special) requirements is difficult for satisfying etc.For example discharge capacity changes and often reaches ten several times in the sterilization tail vapour of industry such as medicine one day.For above-mentioned reasons, waste vapour residual neat recovering system of the prior art, the heat recovery utilization factor is all lower, is not suitable for the heat utilization device that requirement has stable thermal source parameter and quantity simultaneously.Existing sterilization tail vapour heat recovery system of Dalian pharmaceutical factory is used for heat supply in winter, and it drenches plate type heat exchanger, heat collection water tank, compositions such as hot user mainly by the used heat collection tube.Because the fluctuation of waste vapour amount is very big, and the water yield is constant, so temperature changes; When the waste vapour amount was too many, waste vapour can not total condensation, causes capacity usage ratio low; When the waste vapour amount was too small, temperature was low excessively, needed to cause energy grade to reduce with the initial steam heating, and efficiency of utilization only is below 30%, and can only recycle in the winter time.And sterilization tail vapour generally is annual discharging, so in annual about 7～8 months non-heating period, can only all be thrown into environment.
The purpose of this utility model is problem and the defective that exists in difficulty that exists in the waste vapour recycling in the prior art and the existing system, provide a kind of heat recovery rate higher waste vapour heat recovery system, this system can provide the thermal source hot water with stable thermal source parameter and quantity to heat utilization device; Both can be used for heat supply in winter, can be used for the usefulness of refrigeration at non-heating period again for technology cooling or air-conditioning temperature-reducing.
The utility model is achieved in that it mainly by the vapor-water heat exchanger group, and two-way hot water regenerative apparatus is decided compositions such as water temperature variable water volume regulating system and heat utilization device.Above-mentioned vapor-water heat exchanger group can adopt one or more heat interchanger; Above-mentioned two-way hot water regenerative apparatus comprises hot water thermofor (8), be immersed in the heat collection water tank (7) in the thermofor (8), be installed in water circulating pump (9), (10) between heat exchanger package and the thermofor, and the by-pass pipe (11) that is connected between return pipe (21) and thermofor (8) bottom is formed.Above-mentioned decide water temperature variable water volume regulating system mainly by variable valve (12), (13), (14), (15), (16) be contained in temperature-sensing element (T on heat interchanger tail pipe (5), (6) respectively
1) and (T
2) form, heat utilization device can be Absorption Refrigerator or heating system as required.
Workflow and structural representation when accompanying drawing one adopts two heat interchanger for the utility model.
Describe the working condition and best enforcement of this system in detail below in conjunction with accompanying drawing:
The water vapour of each waste steam exhausting point of workshop A is collected by pipeline and is connected, and after the purified treatment of necessity, enters waste vapour heat interchanger (3) by pipeline 1.The waste vapour of workshop B does not allow to mix with workshop A, so enter waste vapour heat interchanger (4) by another set of waste vapour collection system by pipeline 2.Waste vapour heat interchanger (3), (4) are the direct contact type condensation heater.Circulating backwater (water at low temperature) from heat utilization device such as Absorption Refrigerator (20) or heating system drenches into heat interchanger from top by variable valve (13), (14) on pipeline (21) and each lateral, absorb the waste vapour heat of condensation and heat up, and coagulate water with waste vapour and discharge by tail pipe (5), (6) respectively, flow into heat collection water tank (7), compiled the back and squeeze into heat utilization device for using by pump (19).Automatic exhaust valve (17), (18) are discharged the fouling gas of heat interchanger inner accumulated as required automatically, and this cuts down the effect of the safety valve of also having held concurrently.
Under the condition that waste vapour amount hour fluctuation is very big in a day, for making the hot water of supplying with heat utilization device not only have stable temperature, and has basicly stable quantity, under the heat interchanger tail pipe, be provided with hot water thermofor (8), the tail pipe of heat interchanger (5), (6) and heat collection water tank (7) and are in the top of thermofor water capacity all below the water surface of hot water thermofor (8).Heat utilization device resemble the Absorption Refrigerator, efficient reduces even can not freeze at all if heat source temperature is too low, so be provided with the regulating system of deciding the water temperature variable water volume in system, it comprises control valve (12)-(16) that are installed on each lateral and is installed in temperature-sensing element (T on the heat interchanger tail pipe
1) and (T
2) form, thereby being regulated automatically with the fluctuation of waste vapour amount, the backwater amount enters heat interchanger, with the constant pressure of keeping heat interchanger with to keep the outlet water temperature constant.For making heat interchanger still have higher efficient when waste vapour fluctuates widely, heat interchanger top is fountain, and the waste vapour amount is hour use; The bottom is the fluid column formula, and the waste vapour amount is used when big.
With the A workshop is example, and when the waste vapour amount from workshop A increased, the water temperature of tail pipe (5) raise, temperature-sensing element (T
1) send signal, control autovalve (13) is opened greatly, thereby increase the trickle amount of heat interchanger (3) bottom fluid column formula heat interchanger, when valve (13) standard-sized sheet and waste vapour amount when continuing to increase, open self-circulating pump (9) and the low temperature backwater of thermofor bottom is squeezed into heat interchanger increase the trickle amount.Discharge unnecessary hot water from tail pipe and overflow by heat collection water tank (7), hot water from the top of thermofor from top to bottom, cold water is discharged from the bottom, this is a heat-accumulating process.When the waste vapour amount reduces, (T
1) send temperature and reduce signal, by-pass valve control (13) turns down, when the water yield during less than a certain numerical value valve (13) close, valve (15) is opened, spray-type heat exchanger is devoted oneself to work, with valve (15) regulating pondage, main circulation pump this moment (19) is not only taken out the hot water from the heat interchanger tail pipe, but also extract the high-temperature water store from thermofor top, the water at low temperature of coming out from refrigeration machine flows back to thermofor bottom from by-pass pipe (11) through valve (16) with some simultaneously, constant to keep the hot water circulation amount of passing through refrigeration machine and to keep heat, heat release process that Here it is.Valve (16) is chain with valve (12)-(15), and it is constant to keep Total Water.
The utility model compared with prior art has following advantage and good effect. A hour fluctuation reaches under the condition of ten several times in one day, this system can provide the hot water with stable thermal source parameter and stabilizing amount to the heat utilization device, so can drive Absorption Refrigerator, therefore, this system not only can be used in winter heating, and can be used for refrigeration for the usefulness of technology cooling or air-conditioning cooling at non-heating period, the waste vapour waste heat all was fully used in the whole year. Simultaneously the waste vapour from different workshops is not allowed mutually Under the condition of mixing, utilize this system can consist of a unified thermal source, be beneficial to balance row fluctuation high-volume. Adopt that this practicality is novel can under the prerequisite that guarantees safety and technological requirement, to make waste vapour heat recovery rate bringing up to more than 90% below 30% from existing system.
Claims (2)
1, a kind of waste vapour heat recovery system, it is mainly by waste vapour collection tube, heat interchanger, heat collection water tank, compositions such as hot user, it is characterized in that above-mentioned heat interchanger is the vapor-water heat exchanger group, can adopt one or more heat interchanger, heat collection water tank is two-way hot water regenerative apparatus, it comprises hot water thermofor [8] and is immersed in wherein heat collection water tank [7], water circulating pump [9], [10] and by-pass pipe [11] are formed, and be furnished with and decide water temperature variable water volume regulating system accordingly, above-mentioned hot user can be Absorption Refrigerator or heating system.
2, according to the described waste vapour heat recovery of claim 1 system, it is characterized in that the heat interchanger in the described vapor-water heat exchanger group, its top is fountain, and the bottom is the fluid column formula.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN88204566U CN2034675U (en) | 1988-04-30 | 1988-04-30 | Exhaust gas, waste heat recovering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN88204566U CN2034675U (en) | 1988-04-30 | 1988-04-30 | Exhaust gas, waste heat recovering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2034675U true CN2034675U (en) | 1989-03-22 |
Family
ID=4839145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN88204566U Withdrawn CN2034675U (en) | 1988-04-30 | 1988-04-30 | Exhaust gas, waste heat recovering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2034675U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101313420B (en) * | 2005-06-28 | 2011-08-17 | Bsst有限责任公司 | Thermoelectric power generator for variable thermal power source |
| CN102359734A (en) * | 2011-09-07 | 2012-02-22 | 桐昆集团股份有限公司 | Filament warm wind air-conditioning system capable of utilizing waste heat of steam at tower top of process tower |
| CN102679602A (en) * | 2012-04-27 | 2012-09-19 | 中国电器科学研究院有限公司 | Exhaust gas heat recovery and utilization system for surface treatment workshop |
| CN102954707A (en) * | 2011-08-23 | 2013-03-06 | 贵阳铝镁设计研究院有限公司 | Steam exhaust recovery processor |
-
1988
- 1988-04-30 CN CN88204566U patent/CN2034675U/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101313420B (en) * | 2005-06-28 | 2011-08-17 | Bsst有限责任公司 | Thermoelectric power generator for variable thermal power source |
| CN102954707A (en) * | 2011-08-23 | 2013-03-06 | 贵阳铝镁设计研究院有限公司 | Steam exhaust recovery processor |
| CN102359734A (en) * | 2011-09-07 | 2012-02-22 | 桐昆集团股份有限公司 | Filament warm wind air-conditioning system capable of utilizing waste heat of steam at tower top of process tower |
| CN102359734B (en) * | 2011-09-07 | 2013-09-04 | 桐昆集团股份有限公司 | Filament warm wind air-conditioning system capable of utilizing waste heat of steam at tower top of process tower |
| CN102679602A (en) * | 2012-04-27 | 2012-09-19 | 中国电器科学研究院有限公司 | Exhaust gas heat recovery and utilization system for surface treatment workshop |
| CN102679602B (en) * | 2012-04-27 | 2014-04-23 | 中国电器科学研究院有限公司 | Exhaust gas heat recovery and utilization system for surface treatment workshop |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| RN01 | Renewal of patent term | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |