CN106765046A - Low parameter steam recycling device with injector - Google Patents
Low parameter steam recycling device with injector Download PDFInfo
- Publication number
- CN106765046A CN106765046A CN201611255513.2A CN201611255513A CN106765046A CN 106765046 A CN106765046 A CN 106765046A CN 201611255513 A CN201611255513 A CN 201611255513A CN 106765046 A CN106765046 A CN 106765046A
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- China
- Prior art keywords
- steam
- water
- injector
- low
- pipe
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/50—Feed-water heaters, i.e. economisers or like preheaters incorporating thermal de-aeration of feed-water
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D11/00—Feed-water supply not provided for in other main groups
- F22D11/02—Arrangements of feed-water pumps
- F22D11/06—Arrangements of feed-water pumps for returning condensate to boiler
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
The present invention is a kind of low parameter steam recycling device with injector, steam inlet tube is connected between the steam inlet and low-pressure steam tank top of gas utilization unit, condensed water outlet pipe is connected between the low-pressure fluid import of the condensation-water drain and injector of gas utilization unit, outlet pipe is connected between the high-pressure fluid import of injector and the delivery port of cyclic water tank, water inlet pipe is connected between the fluid-mixing outlet of injector and the water inlet of cyclic water tank, water circulating pump is provided with outlet pipe, low-pressure steam tank top is connected with gland steam exhauster, condensed water outlet pipe is connected with drainpipe, automatic valve is provided with steam inlet tube and gland steam exhauster, manually-operated gate is provided with condensed water outlet pipe and drainpipe.The beneficial effects of the invention are as follows：Pressure can be recycled and be the low parameter steam of 0.0Mpa even vacuum states, and condensate recycled can completely, not only save heat energy, moreover it is possible to reclaim the condensate of high-quality.
Description
Technical field
The present invention relates to a kind of low parameter steam recycling device with injector, belong to industry or domestic energy-saving emission reduction
A kind of equipment in system, is mainly used in low-pressure steam and is recycled, energy-saving and water-saving.
Background technology
Current steam as a kind of widely used energy, frequently as thermal source or power source in industry and civil engineering,
After steam discharges heat energy or acting, pressure and temperature is relatively low, or the byproduct steam produced after condensed water in high temperature flash distillation, product
Matter is relatively low, often cannot further utilize, and can only directly discharge in an atmosphere, causes the waste of heat energy and water resource, and make
Into thermal pollution, atmospheric environment and working environment are influenceed.
So-called low parameter steam, refers to steam of the operating pressure less than 0.1Mpa, at present both at home and abroad to the low parameter steam
Using there is several process routes：One is be passed directly into gas utilization unit, but because the steam pressure is relatively low, density it is small, it is necessary to
Pipeline is thicker；Above all available pressure head is too small, it is impossible to long distance delivery, can otherwise build the pressure, and the technique of front end can be influenceed to set
Standby normal operation.The second is steam jet ejector can be used（Also referred to as jet pump）, by the use of high steam as power, injection
Low parameter steam, utilizes after pressurization mixing as live steam, but the program has significant limitation, is easily supplied by high steam
Limitation should be measured, it is also contemplated that whether the work of high steam, low-pressure steam is synchronous, and the weakness of maximum is can only to exist using pressure
The low-pressure steam of more than 0.05Mpa, if steam pressure is less than this numerical value, is utilized by steam jet ejector compression difficult to realize.Its
Three is using vacuum pumping low parameter steam, to be utilized as thermal source, but vacuum pump system initial cost is larger, operating cost compared with
Height, the investment repayment phase is more long；It is high and the condensate for producing cannot be recycled, and be directly discharged into sewerage or circulation
The low use of matter, causes the waste of water resource.In sum, there is many drawbacks in existing process route：Operability is not strong, and efficiency is not
Height, system complex etc..
The content of the invention
It is technical deficiency more than solving, applied widely the invention provides one kind, operating cost is low, simple and easy to apply
The low parameter steam recycling device with injector.
The present invention is achieved by the following measures：
A kind of low parameter steam recycling device with injector of the invention, including low-pressure steam storage tank, gas utilization unit, draw
Emitter and cyclic water tank, steam inlet tube is connected between the steam inlet and low-pressure steam tank top of the gas utilization unit, is used
Condensed water outlet pipe, the high-pressure spray of injector are connected between the low-pressure fluid import of the condensation-water drain and injector of vapour equipment
Outlet pipe, the fluid-mixing outlet of injector and the water inlet of cyclic water tank are connected between body import and the delivery port of cyclic water tank
Water inlet pipe is connected between mouthful, water circulating pump is provided with the outlet pipe, low-pressure steam tank top is connected with gland steam exhauster,
Condensed water outlet pipe is connected with drainpipe, and automatic valve, the condensed water water outlet are provided with the steam inlet tube and gland steam exhauster
Manually-operated gate is provided with pipe and drainpipe.
Above-mentioned gas utilization unit is connected with water supply outlet pipe and backwater inlet pipe, and the cyclic water tank is connected with moisturizing inlet pipe and condensation
Water delivery pipe, the condensate delivery pipe is connected with backwater inlet pipe, and is provided with condensate pump in condensate delivery pipe.
Liquid level gauge is provided with above-mentioned cyclic water tank, the liquid level gauge is connected with controller, and the controller connection condenses
The controlling switch of water pump.
Above-mentioned automatic valve uses electric and pneumatic valve, and described electric and pneumatic and water circulating pump controlling switch is connected with
Controller.
The beneficial effects of the invention are as follows：The low parameter that pressure is 0.0Mpa even vacuum states can be recycled to steam
Vapour, and condensate is recycled can completely, not only save heat energy, moreover it is possible to reclaim the condensate of high-quality, accomplish zero-emission, save
Can economize on water, simple system, low cost is easy to operate, wide using scope, operating cost is low, and this is more advantageously promoted on a large scale
Energy-conserving and emission-cutting technology.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Wherein：Low-pressure steam storage tank 1, gas utilization unit 2, injector 3, water circulating pump 4, cyclic water tank 5, condensate pump 6,
Steam inlet tube 101, gland steam exhauster 102, condensed water outlet pipe 103, drainpipe 104, outlet pipe 201, water inlet pipe 202, filling pipe
301st, condensate delivery pipe 302, backwater inlet pipe 401, water supply outlet pipe 402, automatic valve V1, automatic valve V2, manually-operated gate V3,
Manually-operated gate V4.
Specific embodiment
Further detailed description is done to the present invention below in conjunction with the accompanying drawings：
As shown in figure 1, a kind of low parameter steam recycling device with injector 3 of the invention, including low-pressure steam storage tank
1st, gas utilization unit 2, injector 3 and cyclic water tank 5, connect between the steam inlet of gas utilization unit 2 and the top of low-pressure steam storage tank 1
There is steam inlet tube 101, being connected with condensed water between the low-pressure fluid import of the condensation-water drain and injector 3 of gas utilization unit 2 goes out
Water pipe 201103, outlet pipe 201, injector are connected between the high-pressure fluid import of injector 3 and the delivery port of cyclic water tank 5
Water inlet pipe 202 is connected between 3 fluid-mixing outlet and the water inlet of cyclic water tank 5, recirculated water is provided with outlet pipe 201
Pump 4, the top of low-pressure steam storage tank 1 is connected with gland steam exhauster 102, and condensed water outlet pipe 201103 is connected with drainpipe 104, steam
Automatic valve is provided with inlet pipe 101 and gland steam exhauster 102, is provided with condensed water outlet pipe 201103 and drainpipe 104 manually
Valve.
Gas utilization unit 2 is connected with water supply outlet pipe 402 and backwater inlet pipe 401, and cyclic water tank 5 is connected with moisturizing inlet pipe and condensation
Water delivery pipe 302, condensate delivery pipe 302 is connected with backwater inlet pipe 401, and is provided with condensate delivery pipe 302 solidifying
Bear water pump 6.Liquid level gauge is provided with cyclic water tank 5, liquid level gauge is connected with controller, and controller connects the control of condensate pump 6
Switch.Automatic valve uses the controlling switch of electric and pneumatic valve, the electric and pneumatic valve and water circulating pump 4 to be connected with control
Device.
Automatic valve V1, automatic valve V2 are regulating valve or switch valve, and are interlocked with water circulating pump 4, when water circulating pump 4 stops
During machine, automatic valve V1 is closed, and automatic valve V2 is opened, conversely, automatic valve V1 is opened, automatic valve V2 is closed, in case low
Pressure steam storage tank 1 builds the pressure.
Low-pressure steam is caused gas utilization unit 2 by steam inlet tube 101, and the condensed water outlet pipe 201103 of gas utilization unit 2 is caused
The low-pressure fluid import of injector 3, the high-pressure fluid import of injector 3 connects water circulating pump 4 and exports, the fluid-mixing of injector 3
Outlet causes the import of cyclic water tank 5, and the outlet of cyclic water tank 5 is provided with condensate pump 6.Injector 3, water circulating pump 4, cyclic water tank
5 compositions one start the cycle over loop, the negative pressure produced inside gas utilization unit 2 using injector 3, low parameter steam in a steady stream not
Introduce disconnectedly, while the condensate that gas utilization unit 2 is produced is transported in cyclic water tank 5, oxygen-eliminating device is conveyed by condensate pump 6
Or the water equipment such as boiler.
Injector 3 is water-water jet, and overall structure form is venturi-type, and main jet is la farr pipe formula, nozzle
Be alloy material, by the use of water circulating pump 4 conveying water under high pressure as motive fluid, the condensate in suction gas utilization unit 2（Open
The dynamic stage is on-condensible gas）, unnecessary condensate is transported to water equipment by the cyclic water tank 5 of conveying, condensate pump 6.According to
Test data, the injector 3 can be internally formed the vacuum of 0.05Mpa or so in gas utilization unit 2, and can be with stable operation.
Pressure not higher than 0.0MpaG in low-pressure steam storage tank 1 can be ensured.The device is a kind of efficient, low consumption, high performance low parameter
Steam recycling device.Hand valve V4 is provided with condensation water drainage pipe 104 simultaneously, it is manually operated for the stage of debugging, also may be used
Purging is rinsed as pipe-line system to use.Low-pressure steam storage tank 1 is cylindrical vessel, and bottom and top carry ellipse head.Use vapour
Equipment 2 can be the heat exchanger of board-like, shell-and-tube or other forms, or steam type lithium bromide refrigerator, absorption type heat
Pump assembly etc..
Cyclic water tank 5 is a kind of cylindrical shape or square normal pressure water pot, and side wall is provided with liquid level gauge, and condensate pump 6 is interlocked, high
Liquid level opens pump, low liquid level termination of pumping, or the frequency control of condensate pump 6, keeps liquid level in cyclic water tank 5 to stablize relatively.The circulation
Water tank 5 is additionally provided with filling pipe 301, in system start-up phase, fills into a small amount of demineralized water or softened water, so that injector 3, recirculated water
Pump 4, cyclic water tank 5 can form a circulation loop.Water circulating pump 4 and condensate pump 6 are electric centrifugal pump, be high-temperature pump or
Heat-exchanger pump, it is necessary to which net positive suction head is smaller, anti-cavitation performance is superior.
Present apparatus creativeness employs water-water jet device 3, makes the very low steam-energy quilt of the unserviceable pressure of traditional approach
Recycle well, and condensate can be reclaimed, preferably solve the utilization of heat energy utilization and water resource, be a kind of perfect
The solution of energy-saving and emission-reduction.
The above is only the preferred embodiment of this patent, it is noted that for the ordinary skill people of the art
For member, on the premise of the art of this patent principle is not departed from, some improvement and replacement can also be made, these improve and replace
Also should be regarded as the protection domain of this patent.
Claims (4)
1. a kind of low parameter steam recycling device with injector, it is characterised in that：Set including low-pressure steam storage tank, with vapour
Standby, injector and cyclic water tank, are connected with steam and enter between the steam inlet and low-pressure steam tank top of the gas utilization unit
Pipe, condensed water outlet pipe is connected between the low-pressure fluid import of the condensation-water drain and injector of gas utilization unit, injector
Outlet pipe, the fluid-mixing outlet of injector and cyclic water tank are connected between high-pressure fluid import and the delivery port of cyclic water tank
Water inlet between be connected with water inlet pipe, water circulating pump is provided with the outlet pipe, low-pressure steam tank top is connected with row
Steam pipe, condensed water outlet pipe is connected with drainpipe, and automatic valve, the condensed water are provided with the steam inlet tube and gland steam exhauster
Manually-operated gate is provided with outlet pipe and drainpipe.
2. the low parameter steam recycling device with injector according to claim 1, it is characterised in that：The vapour sets
Standby to be connected with water supply outlet pipe and backwater inlet pipe, the cyclic water tank is connected with moisturizing inlet pipe and condensate delivery pipe, the condensation
Water delivery pipe is connected with backwater inlet pipe, and is provided with condensate pump in condensate delivery pipe.
3. the low parameter steam recycling device with injector according to claim 1, it is characterised in that：The recirculated water
Liquid level gauge is provided with case, the liquid level gauge is connected with controller, and the controller connects the controlling switch of condensate pump.
4. the low parameter steam recycling device with injector according to claim 1, it is characterised in that：The automatic valve
The controlling switch of the door electric and pneumatic valve of use, the electric and pneumatic valve and water circulating pump is connected with controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611255513.2A CN106765046A (en) | 2016-12-30 | 2016-12-30 | Low parameter steam recycling device with injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611255513.2A CN106765046A (en) | 2016-12-30 | 2016-12-30 | Low parameter steam recycling device with injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106765046A true CN106765046A (en) | 2017-05-31 |
Family
ID=58954280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611255513.2A Withdrawn CN106765046A (en) | 2016-12-30 | 2016-12-30 | Low parameter steam recycling device with injector |
Country Status (1)
| Country | Link |
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| CN (1) | CN106765046A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107606964A (en) * | 2017-10-31 | 2018-01-19 | 济南华闻节能工程技术有限公司 | A kind of low pressure exhaust steam recycling system for sulfuration process |
| CN113813634A (en) * | 2021-08-23 | 2021-12-21 | 中国神华煤制油化工有限公司 | Condensate recovery equipment and methanol-to-olefin device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2932271Y (en) * | 2006-04-25 | 2007-08-08 | 蔡可振 | Steam-water composite heat exchanger |
| CN201688487U (en) * | 2010-05-20 | 2010-12-29 | 王建新 | Heat supplying unit using steam as heating media |
| CN202832678U (en) * | 2012-08-09 | 2013-03-27 | 邱鸿烈 | Prime mover using swelling energy of hot water above 40 DEG C |
| CN205065684U (en) * | 2015-09-06 | 2016-03-02 | 际华三五零二职业装有限公司 | Low pressure exhaust steam recycle device |
| CN206739273U (en) * | 2016-12-30 | 2017-12-12 | 济南华闻节能工程技术有限公司 | Low parameter steam recycling device with injector |
-
2016
- 2016-12-30 CN CN201611255513.2A patent/CN106765046A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2932271Y (en) * | 2006-04-25 | 2007-08-08 | 蔡可振 | Steam-water composite heat exchanger |
| CN201688487U (en) * | 2010-05-20 | 2010-12-29 | 王建新 | Heat supplying unit using steam as heating media |
| CN202832678U (en) * | 2012-08-09 | 2013-03-27 | 邱鸿烈 | Prime mover using swelling energy of hot water above 40 DEG C |
| CN205065684U (en) * | 2015-09-06 | 2016-03-02 | 际华三五零二职业装有限公司 | Low pressure exhaust steam recycle device |
| CN206739273U (en) * | 2016-12-30 | 2017-12-12 | 济南华闻节能工程技术有限公司 | Low parameter steam recycling device with injector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107606964A (en) * | 2017-10-31 | 2018-01-19 | 济南华闻节能工程技术有限公司 | A kind of low pressure exhaust steam recycling system for sulfuration process |
| CN113813634A (en) * | 2021-08-23 | 2021-12-21 | 中国神华煤制油化工有限公司 | Condensate recovery equipment and methanol-to-olefin device |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170531 |
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| WW01 | Invention patent application withdrawn after publication |