CN202835329U - Steam pressure reduction overheating and condensation water heat recovery device - Google Patents
Steam pressure reduction overheating and condensation water heat recovery device Download PDFInfo
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- CN202835329U CN202835329U CN 201220374182 CN201220374182U CN202835329U CN 202835329 U CN202835329 U CN 202835329U CN 201220374182 CN201220374182 CN 201220374182 CN 201220374182 U CN201220374182 U CN 201220374182U CN 202835329 U CN202835329 U CN 202835329U
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Abstract
The utility model relates to the field of a steam pressure reduction device, a heat exchanging system and a saturated water flash distillation device, in particular to a steam pressure reduction overheating and condensation water heat recovery device. The steam pressure reduction overheating and condensation water heat recovery device comprises a main steam inlet pipe (11) and a main steam outlet pipe (12), and is characterized in that the steam pressure reduction overheating and condensation water heat recovery device further comprises a branch steam pipe (13), a steam extraction pipe (14), a water outlet pipe (15), pressure transmitters (2), a flow control valve (31), regulating valves (32), a drain valve (33), a hand valve (34), a check valve (35), a continuous injection type decompressor (4), a steam-steam heat exchanger (5), a heat exchanger post heat resistor (6), a flash distillation tank (7), a liquid level controller (71) and a condensation water pump (8). The steam pressure reduction overheating and condensation water heat recovery device is simple in structure, convenient to mount, high in heat utilization ratio, low in operating cost and wide in application scope, and saves investment.
Description
Technical field
The utility model relates to steam pressure-reducing device, heat-exchange device and saturation water flash distillation plant field, is specially the overheated and condensed water heat-energy recovering apparatus of a kind of steam pressure-reducing.
Background technology
The enterprises such as smelting, chemical industry all need have low-pressure steam to provide when producing, low-pressure steam substantially from high steam through the pressure-reducing valve gained that reduces pressure, provided and delivered by low-pressure pipe network again.Be that the degree of superheat is not more than little superheated steam of 5 ℃ through the post-decompression low-pressure steam of conventional pressure-reducing valve, in the low-pressure pipe network course of conveying of long distance, because heat radiation can be separated out condensed water, cause pure water and thermal waste, major defect is as follows: 1. low-pressure steam adopts pipeline to carry, user's point comparatively disperses, and hydrophobic point is corresponding also relatively to be disperseed, and hydrophobic being difficult to effectively reclaimed; 2. condensed water contains a large amount of heat energy originally as the low pressure saturation water, can carry out a certain proportion of saturated vapor equally simultaneously in hydrophobic process, causes the waste of the energy and pure water; 3. there is the situation of leaking in drain valve, and energy waste will be more serious; 4. the low-pressure superheated steam user's request that the degree of superheat of can't satisfying the demand is higher.
The utility model content
In order to overcome the defective of prior art, provide a kind of simple in structure, be convenient to install, reduce investment outlay, heat utilization rate is high, operating cost heat-exchange device low, applied widely, the utility model discloses the overheated and condensed water heat-energy recovering apparatus of a kind of steam pressure-reducing.
The utility model reaches goal of the invention by following technical solution:
Overheated and the condensed water heat-energy recovering apparatus of a kind of steam pressure-reducing, comprise that steam admission supervisor and steam go out the vapour supervisor, it is characterized in that: also comprise steam branch pipe, the steam fairlead, outlet pipe, pressure transmitter, flow control valve, control valve, drain valve, hand-operated valve, check-valves, continuous injection formula pressure reducer, vapour-vapour heat exchanger, thermal resistance behind the heat exchanger, flash tank, fluid level controller and condensate pump, steam admission supervisor connects the first air intake of vapour-vapour heat exchanger, the pressure transmitter of connecting successively on the steam admission supervisor, flow control valve and continuous injection formula pressure reducer; Steam goes out the venthole that vapour supervisor connects vapour-vapour heat exchanger, and steam goes out on the vapour supervisor successively thermal resistance and pressure transmitter behind the heat exchangers in series; The two ends of steam branch pipe connect respectively steam admission supervisor's air intake and the second air intake of vapour-vapour heat exchanger, are in series with control valve on the steam branch pipe; Outlet pipe connects the delivery port of vapour-vapour heat exchanger, connect successively on the outlet pipe drain valve, flash tank, hand-operated valve, condensate pump and check-valves; The venthole on flash tank top is in series with hand-operated valve by the air intake of steam fairlead connection continuous injection formula pressure reducer anemostat bottom on the steam fairlead; One side of flash tank is provided with fluid level controller.
Overheated and the condensed water heat-energy recovering apparatus of described steam pressure-reducing is characterized in that: be connected on the control valve two ends control valve in parallel also on the steam branch pipe.
Overheated and the condensed water heat-energy recovering apparatus of described steam pressure-reducing is characterized in that: vapour-vapour heat exchanger (5) is selected plate type heat exchanger.
Steam flow is as described below in the utility model:
1. main steam flow process
Middle pressure saturated vapor through continuous injection formula pressure reducer after decompression be to be heated to be superheated steam by vapour-vapour heat exchanger afterwards by the low-pressure saturated steam of little superheat state, for vapour point;
2. heating steam flow process
Heating steam is by control valve 32 adjust fluxes, afterwards vapour-vapour heat exchanger 5 in low-pressure saturated steam generation heat exchange, it is unrestrained to flash tank 7 again to be cooled into condensed water in the heated while heating steam of low-pressure saturated steam;
3. flash-off steam flow process
The condensed water that forms after the heating steam heat release is inputted flash tank through drain valve, and the anemostat at continuous injection formula pressure reducer rear portion is the near vacuum state, the condensing water vapor in the flash tank change into be sucked up to behind the steam continuous injection formula pressure reducer and and low-pressure saturated steam be mixed into vapour-vapour heat exchanger and heat.
Critical piece is introduced:
Continuous injection formula pressure reducer: this is to utilize steam to spray the injection depressurized system that continuous compress technique forms, utilize the energy difference of steam pressure-reducing front and back to be power, promote the heat value of low-pressure steam (flash steam), and the low-pressure saturated steam of little superheat state mixes for the user after the decompression;
Flow control valve: be used for the flow that the control main steam is namely pressed saturated vapor, satisfy the job requirement of continuous injection formula pressure reducer;
Control valve: be used for regulating the flow of heating steam, satisfy the temperature requirement of low-pressure saturated steam;
Vapour-vapour heat exchanger: generally adopt efficient plate type heat exchanger, press the higher saturation temperature of saturated vapor in the utilization, the heating low-pressure saturated steam, the superheated steam of generation low pressure is satisfied the demand;
Flash tank: be GB150-1998, include water separator, store vapour-vapour heat exchanger condensed water and flash distillation;
Condensate pump: be delivered to pure water system for the water at low temperature after flash distillation in the flash tank is complete.
The utlity model has following features:
1. behind the middle pressure saturated vapor process continuous injection formula pressure reducer 4, become the low-pressure saturated steam of little superheat state, increase by a bypass as the heating steam pipeline at middle pressure saturated vapor pipeline, the heating steam pipeline arranges control valve, regulate the heating steam flow, by low-loss vapour-vapour heat exchanger, press saturated vapor heating low-pressure saturated steam in the employing, make low-pressure saturated steam be heated as superheated steam, satisfy the needs that long distance is carried and produced.The condensed water that is formed by steam cooling enters flash tank, the anemostat of establishing steam fairlead and continuous injection formula pressure reducer on the flash tank top links to each other, make condensed water flash become low-pressure steam to get back in the low-pressure steam pipe network, condensed water after flash distillation is cooled to about 70 ℃ and is stored in the flash tank, when liquid level reaches certain value, start condensate pump condensed water is delivered in factory's pure water system, realize that heat energy fully reclaims and the condensed water zero-emission.
2. equipment is simple, and is reliable, easy to maintenance; System is set to whole sled piece formula, convenient on-the-spot installation, debugging, and later maintenance is used.
3. initial investment is little, without special newly added equipment.
4. pure water and heat-energy losses realize the energy-saving and emission-reduction purpose when reducing to greatest extent factory's low-pressure steam pipe network conveying.
5. control system is simple.
6. utilize the middle pressure steam of factory, gather materials on the spot, utilize nearby, realize the cascade utilization of the energy.
7. can provide low-pressure superheated steam to satisfy the plant produced needs.
8. new water and the high-quality energy have been saved.
9. reduce discharging and to the adverse effect of environment.
10. greatly reduce operating cost.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the present utility model that is parallel with two control valves.
The specific embodiment
Below further specify the utility model by specific embodiment.
Embodiment 1
Overheated and the condensed water heat-energy recovering apparatus of a kind of steam pressure-reducing, comprise steam admission supervisor 11, steam goes out vapour supervisor 12, steam branch pipe 13, steam fairlead 14, outlet pipe 15, pressure transmitter 2, flow control valve 31, control valve 32, drain valve 33, hand-operated valve 34, check-valves 35, continuous injection formula pressure reducer 4, vapour-vapour heat exchanger 5, thermal resistance 6 behind the heat exchanger, flash tank 7, fluid level controller 71 and condensate pump 8, as shown in Figure 1, concrete structure is: steam admission supervisor 11 connects the first air intake of vapour-vapour heat exchanger 5, the pressure transmitter 2 of connecting successively on the steam admission supervisor 11, flow control valve 31 and continuous injection formula pressure reducer 4; Steam goes out the venthole that vapour supervisor 12 connects vapour-vapour heat exchangers 5, and steam goes out on the vapour supervisor 12 successively thermal resistance 6 and pressure transmitter 2 behind the heat exchangers in series; The two ends of steam branch pipe 13 connect respectively steam admission supervisor 11 air intake and the second air intake of vapour-vapour heat exchanger 5, are in series with control valve 32 on the steam branch pipe 13; Outlet pipe 15 connects the delivery port of vapour-vapour heat exchanger 5, connect successively on the outlet pipe 15 drain valve 33, flash tank 7, hand-operated valve 34, condensate pump 8 and check-valves 35; The venthole on flash tank 7 tops is in series with hand-operated valve 34 by the air intake of steam fairlead 14 connection continuous injection formula pressure reducers 4 anemostat bottoms on the steam fairlead 14; One side of flash tank 7 is provided with fluid level controller 71, and vapour-vapour heat exchanger 5 is selected plate type heat exchanger.
Steam flow is as described below in the present embodiment:
1. main steam flow process
Middle pressure saturated vapor through continuous injection formula pressure reducer 4 after decompression be to be heated to be superheated steam by vapour-vapour heat exchanger 5 afterwards by the low-pressure saturated steam of little superheat state, for vapour point;
2. heating steam flow process
Heating steam is by control valve 32 adjust fluxes, afterwards vapour-vapour heat exchanger 5 in low-pressure saturated steam generation heat exchange, it is unrestrained to flash tank 7 again to be cooled into condensed water in the heated while heating steam of low-pressure saturated steam;
3. flash-off steam flow process
The condensed water that forms after the heating steam heat release is through drain valve 33 input flash tanks 7, and the anemostat at continuous injection formula pressure reducer 4 rear portions is the near vacuum state, the condensing water vapors in the flash tank 7 change into be sucked up to behind the steam continuous injection formula pressure reducer 4 and and low-pressure saturated steam be mixed into vapour-vapour heat exchanger 5 and heat.
Critical piece introduction in the present embodiment:
Continuous injection formula pressure reducer 4: this is to utilize steam to spray the injection depressurized system that continuous compress technique forms, utilize the energy difference of steam pressure-reducing front and back to be power, promote the heat value of low-pressure steam (flash steam), and the low-pressure saturated steam of little superheat state mixes for the user after the decompression;
Flow control valve 31: be used for the flow that the control main steam is namely pressed saturated vapor, satisfy the job requirement of continuous injection formula pressure reducer 4;
Control valve 32: be used for regulating the flow of heating steam, satisfy the temperature requirement of low-pressure saturated steam;
Vapour-vapour heat exchanger 5: generally adopt efficient plate type heat exchanger, press the higher saturation temperature of saturated vapor in the utilization, the heating low-pressure saturated steam, the superheated steam of generation low pressure is satisfied the demand;
Flash tank 7: be GB150-1998, include water separator, store vapour-vapour heat exchanger 5 condensed waters and flash distillation;
Condensate pump 8: be delivered to pure water system for the water at low temperature after flash tank 7 interior flash distillations are complete.
Overheated and the condensed water heat-energy recovering apparatus of a kind of steam pressure-reducing, comprise that steam admission supervisor 11, steam go out thermal resistance 6 behind vapour supervisor 12, steam branch pipe 13, steam fairlead 14, outlet pipe 15, pressure transmitter 2, flow control valve 31, control valve 32, drain valve 33, hand-operated valve 34, check-valves 35, continuous injection formula pressure reducer 4, vapour-vapour heat exchanger 5, the heat exchanger, flash tank 7, fluid level controller 71 and condensate pump 8, as shown in Figure 2, concrete structure is: be connected on the control valve 32 two ends control valve 32 in parallel also on the steam branch pipe 13.Other structures and using method are all same with embodiment 1.
Claims (3)
1. overheated and condensed water heat-energy recovering apparatus of steam pressure-reducing, comprise that steam admission supervisor (11) and steam go out vapour supervisor (12), it is characterized in that: also comprise steam branch pipe (13), steam fairlead (14), outlet pipe (15), pressure transmitter (2), flow control valve (31), control valve (32), drain valve (33), hand-operated valve (34), check-valves (35), continuous injection formula pressure reducer (4), vapour-vapour heat exchanger (5), thermal resistance behind the heat exchanger (6), flash tank (7), fluid level controller (71) and condensate pump (8)
Steam admission supervisor (11) connects the first air intake of vapour-vapour heat exchanger (5), connect successively on the steam admission supervisor (11) pressure transmitter (2), flow control valve (31) and continuous injection formula pressure reducer (4);
Steam goes out the venthole that vapour supervisor (12) connects vapour-vapour heat exchanger (5), and steam goes out on the vapour supervisor (12) successively thermal resistance (6) and pressure transmitter (2) behind the heat exchangers in series;
The two ends of steam branch pipe (13) connect respectively steam admission supervisor's (11) air intake and the second air intake of vapour-vapour heat exchanger (5), are in series with control valve (32) on the steam branch pipe (13);
Outlet pipe (15) connects the delivery port of vapour-vapour heat exchanger (5), the drain valve (33) of connecting successively on the outlet pipe (15), flash tank (7), hand-operated valve (34), condensate pump (8) and check-valves (35);
The venthole on flash tank (7) top is in series with hand-operated valve (34) by the air intake of steam fairlead (14) connection continuous injection formula pressure reducer (4) anemostat bottom on the steam fairlead (14);
One side of flash tank (7) is provided with fluid level controller (71).
2. the overheated and condensed water heat-energy recovering apparatus of steam pressure-reducing as claimed in claim 1 is characterized in that: be connected on control valve (32) the two ends control valve (32) in parallel also on the steam branch pipe (13).
3. the overheated and condensed water heat-energy recovering apparatus of steam pressure-reducing as claimed in claim 1 or 2, it is characterized in that: vapour-vapour heat exchanger (5) is selected plate type heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220374182 CN202835329U (en) | 2012-07-31 | 2012-07-31 | Steam pressure reduction overheating and condensation water heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220374182 CN202835329U (en) | 2012-07-31 | 2012-07-31 | Steam pressure reduction overheating and condensation water heat recovery device |
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| CN202835329U true CN202835329U (en) | 2013-03-27 |
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| CN 201220374182 Expired - Fee Related CN202835329U (en) | 2012-07-31 | 2012-07-31 | Steam pressure reduction overheating and condensation water heat recovery device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103232085A (en) * | 2013-03-18 | 2013-08-07 | 哈尔滨工程大学 | Water treatment system for producing high pressure water vapor and distilled water |
| CN104180363A (en) * | 2014-09-03 | 2014-12-03 | 江苏旗云油脂科技有限公司 | Preparation method of superheated steam |
| CN105803719A (en) * | 2016-05-10 | 2016-07-27 | 福建省石狮热电有限责任公司 | Method for heating and setting by utilizing steam |
| CN106587233A (en) * | 2016-10-12 | 2017-04-26 | 王文领 | Comprehensive utilization method for coal chemical industry gasified black water high-temperature flashing steam |
| CN106677851A (en) * | 2017-03-08 | 2017-05-17 | 华北电力大学（保定） | An adiabatic compressed air energy storage system for non-throttling humidification and enthalpy increase to eliminate residual heat |
| CN106989376A (en) * | 2017-04-19 | 2017-07-28 | 中盐安徽红四方股份有限公司 | Refine the substantially stabilized recycling system of workshop byproduct steam |
| CN107166355A (en) * | 2017-07-07 | 2017-09-15 | 宁波健益检测科技有限公司 | A kind of moist steam self-heating water scavenging system |
| CN110207101A (en) * | 2019-06-24 | 2019-09-06 | 新疆大全新能源股份有限公司 | Steam recycling system and method in a kind of production of polysilicon |
| CN114321866A (en) * | 2022-01-10 | 2022-04-12 | 浙江诚信医化设备有限公司 | A negative pressure steam temperature control device |
| CN117190165A (en) * | 2023-09-14 | 2023-12-08 | 安徽中烟工业有限责任公司 | A device for converting saturated steam into superheated steam from the same heat source |
-
2012
- 2012-07-31 CN CN 201220374182 patent/CN202835329U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103232085A (en) * | 2013-03-18 | 2013-08-07 | 哈尔滨工程大学 | Water treatment system for producing high pressure water vapor and distilled water |
| CN104180363A (en) * | 2014-09-03 | 2014-12-03 | 江苏旗云油脂科技有限公司 | Preparation method of superheated steam |
| CN105803719A (en) * | 2016-05-10 | 2016-07-27 | 福建省石狮热电有限责任公司 | Method for heating and setting by utilizing steam |
| CN106587233A (en) * | 2016-10-12 | 2017-04-26 | 王文领 | Comprehensive utilization method for coal chemical industry gasified black water high-temperature flashing steam |
| CN106677851A (en) * | 2017-03-08 | 2017-05-17 | 华北电力大学（保定） | An adiabatic compressed air energy storage system for non-throttling humidification and enthalpy increase to eliminate residual heat |
| CN106677851B (en) * | 2017-03-08 | 2018-11-06 | 华北电力大学（保定） | A kind of un-throttled humidification increasing enthalpy eliminates the adiabatic compression air energy storage systems of afterheat |
| CN106989376A (en) * | 2017-04-19 | 2017-07-28 | 中盐安徽红四方股份有限公司 | Refine the substantially stabilized recycling system of workshop byproduct steam |
| CN107166355A (en) * | 2017-07-07 | 2017-09-15 | 宁波健益检测科技有限公司 | A kind of moist steam self-heating water scavenging system |
| CN110207101A (en) * | 2019-06-24 | 2019-09-06 | 新疆大全新能源股份有限公司 | Steam recycling system and method in a kind of production of polysilicon |
| CN110207101B (en) * | 2019-06-24 | 2024-02-20 | 新疆大全新能源股份有限公司 | A steam recycling system and method in polysilicon production |
| CN114321866A (en) * | 2022-01-10 | 2022-04-12 | 浙江诚信医化设备有限公司 | A negative pressure steam temperature control device |
| CN117190165A (en) * | 2023-09-14 | 2023-12-08 | 安徽中烟工业有限责任公司 | A device for converting saturated steam into superheated steam from the same heat source |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20160731 |