CN209415432U - A kind of power-equipment condensation water recovery system - Google Patents
A kind of power-equipment condensation water recovery system Download PDFInfo
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- CN209415432U CN209415432U CN201821570127.7U CN201821570127U CN209415432U CN 209415432 U CN209415432 U CN 209415432U CN 201821570127 U CN201821570127 U CN 201821570127U CN 209415432 U CN209415432 U CN 209415432U
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Abstract
The utility model discloses a kind of power-equipment condensation water recovery systems, including the condensing hot air furnace pipeline being connect with jet chimney, flash tank, vapour compression machine and heat exchanger, the condensation water inlet of flash tank is connect with the condensing hot air furnace pipeline, the high-temperature steam import of the steam (vapor) outlet and heat exchanger of flash tank conveys conveyance conduit connection by steam, and the water vapour compressor is set on steam conveying conveyance conduit, the condensation-water drain of flash tank and the condensation water inlet of heat exchanger are connected by condensed water conveyance conduit, the high-temperature condensation water of heat exchanger exports external supply equipment, the reduced temperature steam outlet of heat exchanger connects reflux line, reflux line stretches to flash tank internal upper part, and reflux line is equipped with spray equipment at the tube body being located in flash tank.The utility model improves the recovery efficiency of condensed water, ensure that the efficient utilization of condensed water.
Description
Technical field
The utility model relates to jet chimney condensate water recovery device fields more particularly to a kind of power-equipment condensed water to return
Receipts system.
Background technique
Industrial Boiler condensing hot air furnace is to improve one of boiler thermal efficiency, the important channel for reducing energy consumption.The thermal energy of steam
It is made of sensible heat and latent heat two parts, usual gas utilization unit only utilizes latent heat of the steam and a small amount of sensible heat, discharges latent heat and lacks
Steam reduction after the sensible heat of amount is at the condensed water of high temperature, and condensed water is the hot mastication water of saturation, and thermal energy accounts for steam
25% or so of thermal energy, and be also clean distilled water, it is suitble to be re-used as boiler feedwater.
The high-temperature condensation water of condensation water recovery system recovered steam system discharge, can maximally utilise the heat of condensed water
Amount saves water, and saves fuel.Condensation water recovery system is broadly divided into Recovery with Open-loop system and two kinds of closed-style recycling system.
Closed-style recycling system is condensed water header tank and all pipelines all in constant direct draught, and system is closed.In system
Energy possessed by condensed water largely passes through certain reclaimer and is directly recovered in boiler.Industrial Boiler condensed water at present
The problems such as existing flash distillation loss of recovery system is big, recovery system pressure is high, jet chimney condensed water unsmooth flowing, causes steam
The problems such as pipeline condensation water recovery and use rate is low, thermal energy waste is serious.
Utility model content
The utility model provides a kind of power-equipment condensing hot air furnace system to solve shortcoming in the prior art
System, improves the recovery efficiency of condensed water, ensure that the efficient utilization of condensed water.
In order to solve the above technical problems, the utility model adopts the following technical solution: a kind of power-equipment condensing hot air furnace
System further includes flash tank, vapour compression machine and heat exchanger, flash distillation including the condensing hot air furnace pipeline connecting with jet chimney
Tank is equipped with condensation water inlet, steam (vapor) outlet and condensation-water drain, and heat exchanger is equipped with condensation water inlet, high-temperature condensation water goes out
Mouth, high-temperature steam import and reduced temperature steam outlet；
The condensation water inlet of flash tank is connect with the condensing hot air furnace pipeline, the steam (vapor) outlet of flash tank and heat exchanger
High-temperature steam import conveys conveyance conduit connection by steam, and the water vapour compression is arranged on steam conveying conveyance conduit
Machine, the condensation-water drain of flash tank and the condensation water inlet of heat exchanger are connected by condensed water conveyance conduit, the high temperature of heat exchanger
The reduced temperature steam outlet of the external supply equipment of condensation-water drain, heat exchanger connects reflux line, and reflux line stretches to flash tank
Internal upper part, and reflux line is equipped with spray equipment at the tube body being located in flash tank.
The condensation water inlet and steam (vapor) outlet are set to flash drum overhead, and condensation-water drain is set to flash tank bottom.
The reflux line stretches in flash tank through the side wall upper part of flash tank.
Reflux line setting spray apertures on the tube body being located in flash tank form the spray equipment.
Water pump is provided on the condensed water conveyance conduit.
The supply equipment is boiler water supply pipeline.
The flash drum overhead is equipped with the pressure sensor for detecting flash tank internal pressure；
The running frequency of water vapour compressor is controlled by the pressure sensor, when pressure sensor detects inside flash tank
When pressure is higher than setting value, water vapour compressor is run with high-frequency, when pressure sensor detects that flash tank internal pressure is low
When setting value, water vapour compressor is run with low frequency.
The water vapour compressor is frequency conversion double-screw compressor.
Electric throttle valve is provided on the reflux line, electric throttle valve and pressure sensor control connect.
The heat exchanger is plate heat exchanger.
The utility model has the beneficial effects that
By adopting the above technical scheme, from the condensed water of jet chimney, after condensing hot air furnace pipeline reaches flash tank, by
It is much larger than piping volume in volume, pressure becomes smaller suddenly, and condensate portion vaporization, condensed moisture is liquid and gaseous state two parts.
Gaseous water vapour is endlessly delivered to water by water vapour compressor inlet and steams under the action of water vapour compressor at this time
Vapour compressor outlet, so that internal pressure declines, the pressure difference inside jet chimney between jet chimney increases at this time, steam pipe
Condensed water in road quickly enters inside flash tank, condensing hot air furnace efficiency reaches promotion under the action of pressure difference.
The water vapour of water vapour compressor outlet, temperature and pressure have biggish promotion compared with compressor inlet steam, should
The steam of part high temperature and pressure enters in heat exchanger, and diabatic process occurs with the condensed water of the water pump come, further improves and changes
The condensed water of the pressure and temperature of condensed water in hot device, the outlet of heat exchanger high-temperature condensation water is directly connected to the water supply line of boiler,
It ensure that the condensed water of recycling for boiler water supply.
Steam from water vapour compressor carries out throttling cooling drop by electric throttle valve after heat exchanger condenses
Pressure, the liquid water for becoming low temperature, which enters, to be located in flash tank, is formed atomization by the spray apertures on reflux line, is interspersed among flash distillation
Inside tank.At this point, into flash tank condensed water by flash distillation after, between the water vapour of generation and the liquid water of low temperature, occur
Flash steam is condensed into liquid, drips in flash tank bottom, further decrease the pressure in flash tank by heat and mass transfer process, benefit
In the recycling of jet chimney condensed water.
Detailed description of the invention
Fig. 1 is the schematic diagram of the utility model embodiment；
Fig. 2 is the schematic diagram of flash tank in the utility model embodiment；
Fig. 3 is the schematic diagram of heat exchanger in the utility model embodiment；
The schematic diagram of snake pipe in Fig. 4 the utility model embodiment.
Specific embodiment
It elaborates below in conjunction with attached drawing to specific embodiment of the present utility model.
As shown in Figures 1 to 4, a kind of power-equipment condensation water recovery system of the utility model, including with jet chimney
The condensing hot air furnace pipeline 8 of connection, further includes flash tank 2, vapour compression machine 3 and heat exchanger 5, and the top of flash tank 2 is equipped with cold
Condensate import 21 and steam (vapor) outlet 23, the bottom of flash tank 2 set condensation-water drain 24, heat exchanger 5 be equipped with condensation water inlet 53,
High-temperature condensation water outlet 54, high-temperature steam import 51 and reduced temperature steam outlet 52.
The condensation water inlet 21 of flash tank 2 is connect with the condensing hot air furnace pipeline 8, the steam (vapor) outlet 23 of flash tank 2 with
The high-temperature steam import 51 of heat exchanger 5 conveys conveyance conduit connection by steam, and institute is arranged on steam conveying conveyance conduit
Water vapour compressor 3 is stated, the condensation-water drain 24 of flash tank 2 and the condensation water inlet 53 of heat exchanger 5 pass through condensed water delivery pipe
Road connection, and water pump 4 is provided on the condensed water conveyance conduit.The high-temperature condensation water of heat exchanger 5 exports 54 external boiler water supplies
Pipeline, the reduced temperature steam outlet 52 of heat exchanger 5 connect reflux line 22, and reflux line 22 stretches to 2 internal upper part of flash tank, and returns
Flow tube road 22 is equipped with spray equipment at the tube body being located in flash tank 2.Electric throttle valve is additionally provided on reflux line 22
In the present embodiment, reflux line 22 stretches in flash tank 2 through the side wall upper part of flash tank 2, and the reflux
Pipeline 22 forms snake pipe, and the bottom setting of the snake pipe in the serpentine-like arrangement of tube body being located in flash tank 2
Spray apertures form the spray equipment.
In the present embodiment, to guarantee that heat transfer effect, heat exchanger 5 use plate heat exchanger.
During the utility model solves jet chimney condensing hot air furnace, since flash tank pressure is higher, pipeline condensation
The problem of water cannot be recycled smoothly.The utility model reduces flash distillation pressure inside the tank by using water vapour compressor, guarantees steam
Pipeline condensed water smoothly flows into, while the high-temperature steam of water vapour compressor discharge, exchanges heat with the condensed water after water pump pressurizes
And its temperature is promoted, the high-temperature-hot-water of heat exchanger exit enters in boiler water supply pipeline.Pass through through heat exchanger steam after cooling
Enter in flash tank after electric throttle valve throttling cooling, with the steam heat-exchanging in flash tank, further decreases flash tank pressure, protect
It has demonstrate,proved jet chimney condensed water and has smoothly flowed into flash tank, while having improved the condensate temperature into boiler water supply pipeline, this is cold
Condensed water recovering system ensure that the efficient utilization of condensed water.
The specific working principle is as follows for the utility model: the condensed water of jet chimney (gas utilization unit) is come from, through condensed water
After recovery channel 8 reaches flash tank 2, since volume is much larger than piping volume, pressure becomes smaller suddenly, and condensate portion vaporization is cold
Condensate is divided into liquid and gaseous state two parts.Gaseous water vapour is under the action of water vapour compressor 3 at this time, endlessly by
Water vapour compressor inlet is delivered to water vapour compressor outlet, so that internal pressure declines, jet chimney (is set with vapour at this time
It is standby) the internal pressure difference between jet chimney increases, the condensed water in jet chimney (gas utilization unit) under the action of pressure difference,
Quickly enter inside flash tank 2, condensing hot air furnace efficiency reaches promotion.
The water vapour that water vapour compressor 3 exports, temperature and pressure have biggish promotion compared with compressor inlet steam, should
The steam of part high temperature and pressure enters in heat exchanger 5, and diabatic process occurs with the condensed water from water pump 4, further improves
The condensed water of the pressure and temperature of condensed water in heat exchanger, the outlet of heat exchanger high-temperature condensation water is directly connected to the water supplying pipe of boiler
Road ensure that the condensed water of recycling for boiler water supply.
Steam from water vapour compressor 2 carries out throttling cooling by electric throttle valve 6 after heat exchanger condenses
Decompression, become low temperature liquid water enter be located at flash tank 2 in snake pipe (reflux line 22 be located at flash tank in pipe
Body is serpentine-like to arrange) in, atomization is formed by the spray apertures of snake pipe, is interspersed among inside flash tank 2.At this point, into
The condensed water of flash tank 2 is after flash distillation, and between the water vapour of generation and the liquid water of low temperature, heat and mass transfer process occurs, will
Flash steam is condensed into liquid, drips in 2 bottom of flash tank, further decreases the pressure in flash tank 2, is conducive to jet chimney and condenses
The recycling of water.
The pressure sensor 1 for detecting flash tank internal pressure is equipped in the present embodiment, at the top of the flash tank 2；Water
Vapour compression machine 3 is frequency conversion double-screw compressor, and the running frequency of water vapour compressor 3 is controlled by the pressure sensor 1, works as pressure
When force snesor 1 detects that flash tank internal pressure is higher than setting value, water vapour compressor 3 is run with high-frequency, when pressure passes
When sensor 1 detects flash tank internal pressure lower than setting value, water vapour compressor 3 run with low frequency (setting value can by with
Family voluntarily adjusts as needed), realize the automatic control and operation of water vapour compressor 3.
Electric throttle valve 6 and the pressure sensor 1 control connect.Electric throttle valve opens 6 degree by water tank internal pressure
Control enters liquid coolant-temperature gage after throttle valve in flash tank by jet chimney lower than 3 DEG C of stripping temperature of flash distillation in water tank, guarantee
Flash steam can timely be condensed into liquid.
Above embodiments are only to illustrate rather than limit the technical solution of the utility model, although referring to above-described embodiment pair
The utility model is described in detail, those skilled in the art should understand that: still can to the utility model into
Row modification or equivalent replacement should all without departing from any modification or partial replacement of the spirit and scope of the utility model
Cover in the scope of the claims of the utility model.
In the description of the present invention, it should be understood that term "front", "rear", "upper", "lower", "left", "right" etc.
The orientation or positional relationship of instruction be based on the orientation or positional relationship shown in the drawings, be only for ease of description the utility model and
Simplify description, rather than indicates or imply signified device or element and must have a particular orientation, constructed for specific orientation
And operation, thus should not be understood as the limitation that content is protected to the utility model.
Claims (10)
1. a kind of power-equipment condensation water recovery system, including the condensing hot air furnace pipeline connecting with jet chimney, feature exists
In: it further include flash tank, water vapour compressor and heat exchanger, flash tank is equipped with condensation water inlet, steam (vapor) outlet and condensation
Water out, heat exchanger are equipped with condensation water inlet, high-temperature condensation water outlet, high-temperature steam import and reduced temperature steam outlet；
The condensation water inlet of flash tank is connect with the condensing hot air furnace pipeline, the steam (vapor) outlet of flash tank and the high temperature of heat exchanger
Steam inlet conveys conveyance conduit connection by steam, and the water vapour compressor is arranged on steam conveying conveyance conduit,
The condensation-water drain of flash tank and the condensation water inlet of heat exchanger are connected by condensed water conveyance conduit, the high temperature condensation of heat exchanger
The external supply equipment of water out, the reduced temperature steam outlet of heat exchanger connect reflux line, and reflux line stretches in flash tank
Portion, and reflux line is equipped with spray equipment at the tube body being located in flash tank.
2. power-equipment condensation water recovery system according to claim 1, it is characterised in that: the condensation water inlet and steaming
Vapor outlet is set to flash drum overhead, and condensation-water drain is set to flash tank bottom.
3. power-equipment condensation water recovery system according to claim 1, it is characterised in that: the reflux line is through flashing
The side wall upper part of tank stretches in flash tank.
4. power-equipment condensation water recovery system according to claim 3, it is characterised in that: the reflux line is being located at
Spray apertures are set on the tube body in flash tank and form the spray equipment.
5. power-equipment condensation water recovery system according to claim 1, it is characterised in that: the condensed water conveyance conduit
On be provided with water pump.
6. power-equipment condensation water recovery system according to claim 1, it is characterised in that: the supply equipment is boiler
Water supply line.
7. power-equipment condensation water recovery system according to claim 1-6, it is characterised in that: the flash tank
Top is equipped with the pressure sensor for detecting flash tank internal pressure；
The running frequency of water vapour compressor is controlled by the pressure sensor, when pressure sensor detects flash tank internal pressure
When higher than setting value, water vapour compressor is run with high-frequency, is set when pressure sensor detects that flash tank internal pressure is lower than
When definite value, water vapour compressor is run with low frequency.
8. power-equipment condensation water recovery system according to claim 7, it is characterised in that: the water vapour compressor is
Frequency conversion double-screw compressor.
9. power-equipment condensation water recovery system according to claim 7, it is characterised in that: be arranged on the reflux line
There is electric throttle valve, electric throttle valve and pressure sensor control connect.
10. power-equipment condensation water recovery system according to claim 7, it is characterised in that: the heat exchanger is board-like
Heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821570127.7U CN209415432U (en) | 2018-09-26 | 2018-09-26 | A kind of power-equipment condensation water recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821570127.7U CN209415432U (en) | 2018-09-26 | 2018-09-26 | A kind of power-equipment condensation water recovery system |
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| Publication Number | Publication Date |
|---|---|
| CN209415432U true CN209415432U (en) | 2019-09-20 |
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ID=67931896
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821570127.7U Active CN209415432U (en) | 2018-09-26 | 2018-09-26 | A kind of power-equipment condensation water recovery system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110762513A (en) * | 2019-11-01 | 2020-02-07 | 福建蓝海节能科技有限公司 | Boiler steam condensation bin |
-
2018
- 2018-09-26 CN CN201821570127.7U patent/CN209415432U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110762513A (en) * | 2019-11-01 | 2020-02-07 | 福建蓝海节能科技有限公司 | Boiler steam condensation bin |
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