CN206587430U - A kind of lime set flash vessel steam discharge retracting device - Google Patents
A kind of lime set flash vessel steam discharge retracting device Download PDFInfo
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- CN206587430U CN206587430U CN201720198118.9U CN201720198118U CN206587430U CN 206587430 U CN206587430 U CN 206587430U CN 201720198118 U CN201720198118 U CN 201720198118U CN 206587430 U CN206587430 U CN 206587430U
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- lime set
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- adverse current
- flash vessel
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Abstract
The utility model provides a kind of lime set flash vessel steam discharge retracting device:Including top lime set header, bottom lime set header, following current is restrained and adverse current is restrained, in the utility model, top lime set header dilatation is entered by the steam discharge of drainage pipe and contacted with the full resistance steam vent plate installed inside header, to realize the lossless decompression of steam, restrained again by the following current tube bank being staggered in arrangement and adverse current and carry out heat exchange with extraneous, the lime set got off is condensed after heat exchange to pass through reflux line be connected with bottom lime set header oneself flows back to lime set flasher base liquid Space by difference in height, to complete the collection to vapor phase space steam discharge, reduce thermal waste, improve environmental pollution, realize water balance in industrial production, improve energy utilization rate.The dynamic equipment that the utility model abandoning tradition steam discharge is used when reclaiming, is easy to actual popularization and application.
Description
Technical field
The utility model is related to the processing of flash vessel steam discharge recovery, more particularly to a kind of lime set flash vessel steam discharge reclaims dress
Put.
Background technology
At home in industrial production, the lime set flash vessel of many industries such as metallurgy, petrochemical industry, machinery, electric power, coal chemical industry, remove
The installations and facilities such as oxygen device produce 0.02~0.15Mpa exhaust steam or secondary flash vapour, in outer row's air.
Due to the design requirement of lime set flash vessel in itself, there is the reasons such as outer displacement is unstable, the heat energy that it is discharged is not
It can be used effectively, generally directly idle discharge is put, cause waste and environmental thermal pollution and the noise of the energy, due to passing through flash distillation
Exhaust steam discharge afterwards is without contaminated steam, if the outer steam discharge recycling after this part is flashed, huge by producing
Economic benefit.
At present, part industrial enterprise is generally reclaimed the outer steam discharge of lime set flash vessel by increasing power facility, i.e.,
Exhaust steam residual heat retracting device, this kind of device is made up of exhaust steam supercharging, exhaust steam heat exchange, three parts of exhaust steam refrigeration, its principle
It is to attract low pressure exhaust steam (waste gas) using the high-speed jet formed by high steam, after high pressure, low-pressure steam mixing, reaches work
Steam pressure, temperature needed for skill.Steam exhaust recovering device is former using dynamic two phase flow principle, Venturi tube principle and micro- degree of supercooling
Reason, outer row's low pressure exhaust steam is absorbed by using water at low temperature, then using the steam after supercharging as thermal source, by heat exchanger by low temperature
Recirculated water or demineralized water heating.Exhaust steam after heat exchange is then as temperature drop is discharged air.But such a plant investment is higher, and
The installations and facilities such as electric water circulating pump and heat exchanger, injector are needed, then occur cavitation phenomenons often for water pump, after causing
Phase maintenance cost increases and a large amount of waste of energy, and the recovery particularly with low pressure exhaust steam is then unable to make ends meet, is not easy to actual popularization
Using.
The content of the invention
In order to solve the shortcoming and defect present in prior art, the purpose of this utility model is that providing a kind of lime set dodges
Steaming device steam discharge retracting device, is realized with simple and practical static equipment and the steam discharge after flash distillation is recycled.
To reach above-mentioned purpose, the utility model employs following technical scheme:
Including top lime set header, the bottom lime set header being arranged at below the lime set header of top and for empty with the external world
The following current tube bank of gas heat exchange and adverse current are restrained, and are provided with the top lime set header for the lime set header to be divided into mutually not
It is provided with the following current section of connection and blind piece of adverse current section, the following current section of top lime set header for introducing lime set flash vessel steam discharge
Drainage pipe, the resistance steam vent for the lime set header to be divided into following current section and adverse current section is provided with the lime set header of bottom
The breach circulated for lime set is left in plate, the latter half of the resistance steam vent plate, the upper/lower terminal of following current tube bank respectively with upper and lower part
The following current section correspondence of lime set header is connected, and adverse current section of the upper/lower terminal that adverse current is restrained respectively with upper and lower part lime set header is corresponding
It is connected, the reflux line for discharging lime set, the adverse current section of top lime set header is provided with the adverse current section of bottom lime set header
On be provided with blast pipe, resistance steam vent plate is provided with the following current section of top lime set header, the following current section of top lime set header passes through
The resistance steam vent plate is divided into the part for connecting drainage pipe and the part for connecting following current tube bank.
The top lime set header and bottom lime set header are horizontally disposed cylinder.
The following current tube bank and adverse current tube bank are some row being staggered in arrangement being connected between the lime set header of upper and lower part
Pipe.
Resistance steam vent plate is provided with the blast pipe.
Resistance steam vent plate is provided with the adverse current section of the top lime set header, the resistance steam vent plate is inverse by top lime set header
Stream section is divided into the part with countercurrently restraining the part that is connected and being connected with blast pipe, and reflux line is connected with the part,
Leave the breach circulated for lime set in the latter half of the resistance steam vent plate.
Resistance vapour dividing plate is provided with the adverse current section of the bottom lime set header, the resistance vapour dividing plate is inverse by bottom lime set header
Stream section is divided into the part with countercurrently restraining the part that is connected and being connected with reflux line, the latter half of the resistance vapour dividing plate
Leave the breach circulated for lime set.
The resistance steam vent plate is the dividing plate with the cone hole being evenly arranged, and the tip direction in cone hole comes vapour direction.
The reflux line is connected with the liquid Space of lime set flash vessel, the gland steam exhauster of drainage pipe and the lime set flash vessel
Road is connected.
The beneficial effects of the utility model are embodied in:
Compared with prior art, the utility model contacts the steam discharge entered by drainage pipe with resistance steam vent plate and in collection
Dilatation in case, to realize the lossless decompression of steam, then by following current tube bank and adverse current tube bank with extraneous carries out heat exchange, exchanges
The lime set got off is condensed afterwards and flows back to lime set flasher base liquid Space by reflux line, to complete to vapor phase space steam discharge
Collect, reduce thermal waste, improve environmental pollution, realize water balance in industrial production, improve energy utilization rate.The utility model
The dynamic equipment that uses when abandoning tradition steam discharge is reclaimed, but it is creative make use of law of conservation of energy, that is, pass through heat transfer, system
The principle of the energy transmission changed with extraneous positive energy exchange, interior energy, only used such as resistance steam vent plate, adverse current tube bank, suitable
Static equipment and the non-energy consumption equipments such as flowing bundle, top lime set header, bottom lime set header, drainage pipe, reflux line, are easy to reality
Border popularization and application.
Brief description of the drawings
Fig. 1 is the structural representation of flash vessel steam discharge reclaimer described in the utility model embodiment;
Fig. 2 is the front view (a) and side sectional view (b) of the full resistance steam vent plate of the reclaimer of flash vessel steam discharge shown in Fig. 1;
Fig. 3 is the front view (a) and side sectional view (b) of half resistance steam vent plate of the reclaimer of flash vessel steam discharge shown in Fig. 1;
In figure:1. lime set flash vessel, 2. flash vessel liquid Space bottom blow valves, 3. lime set pump intake valves, 4. lime sets
Pump, 5. check-valves, 6. flash vessel safety valves, 7. flash vessel bulk density tables, 8. flash vessel blow-off lines, 9. top lime set headers
Following current section, 10. full resistance steam vent plates, 11. blind pieces, 12. following currents tube bank, 13. bottom lime set header following currents sections, 14. half resistance steam vent plates,
15. bottom lime set header adverse current section, 16. half resistance vapour dividing plates, 17. reflux lines, 18. adverse current tube banks, 19. top lime set headers are inverse
Flow section, 20. half resistance steam vent plates, 21. full resistance steam vent plates, 22. gland steam exhausters, 23. drainage pipes, 24. cone holes.
Embodiment
The utility model is described in further details below in conjunction with drawings and examples.
The present embodiment is reclaimed there is provided a kind of flash vessel steam discharge by taking the application in the recovery of lime set flash vessel steam discharge as an example and set
It is standby.As shown in figure 1, the steam discharge reclaimer mainly include top lime set header, full resistance steam vent plate, blind piece 11, following current tube bank 12,
Bottom lime set header, half resistance steam vent plate, half resistance vapour dividing plate 16, reflux line 17, drainage pipe 23, adverse current tube bank 18, gland steam exhauster
22 grade parts.The steam discharge reclaimer is by the decompression of outer steam discharge, the dilatation of lime set flash vessel 1, and steam is in adverse current tube bank and following current
Lime set is generated with outside air convection current in tube bank, the backwater after condensation flows automatically to lime set by the pipeline with enough differences in height and dodged
Steaming device bottom liquid phases space.
The top lime set header is a diameter of 200 ㎜ -750 ㎜, the circular steel cylinders that wall thickness is 1.0 ㎜, two
End seal is closed, and is mainly used in carrying out dilatation to the steam discharge of entrance.By internally setting blind piece 11, separate two are divided into
Point, it is respectively the top lime set restrained the 12 top lime set header following current sections 9 connected with following current and connected with adverse current tube bank 18
Header adverse current section 19.
The bottom lime set header is a diameter of 200 ㎜ -600 ㎜, the circular steel cylinders that wall thickness is 1.0 ㎜, two
End seal is closed, and is mainly used in being collected the condensate after cooling, is arranged with top lime set header horizontal parallel.Itself and following current pipe
The part that beam 12 is connected constitutes bottom lime set header following current section 13, and the part connected with adverse current tube bank 18 constitutes bottom lime set header
Demarcated between adverse current section 15, two parts with half resistance steam vent plate 14 being disposed radially.
Referring to Fig. 2, the full resistance steam vent plate 10,21, is the circular bulkheads for being evenly arranged multiple circular cone body openings 24,
The summit (i.e. mesh) of circular cone body opening is towards vapour side is come, and the single hole size of full resistance steam vent plate is 5-10 ㎜.Full resistance steam vent plate is in institute
State steam discharge reclaimer and set two altogether, a full resistance steam vent plate 10 is arranged on inside top lime set header following current section 9, by top
Lime set header following current section 9 is radially divided into the part being connected with drainage pipe 23 and restrains 12 parts being connected with following current,
Another full resistance steam vent plate 21 is arranged on inside the gland steam exhauster 22 connected with top lime set header adverse current section 19.Its main function is
The steam passed through is depressurized and steam is done tangential motion and isolates indirect steam and condensate.
Referring to Fig. 3, the half resistance steam vent plate 14,20, be a semicircle for being evenly arranged multiple circular cone body openings 24 or
The dividing plate of approximate half-circular, the summit (i.e. mesh) of circular cone body opening is towards vapour side is come, and the single hole size of half resistance steam vent plate is 5-10
㎜.Half resistance steam vent plate sets two altogether in the steam discharge reclaimer, and one and half resistance steam vent plates 14 are arranged on bottom lime set header
Top half in cylinder between following current section 13 and bottom lime set header adverse current section 15, another half resistance steam vent plate 20 is arranged on top
Top half in lime set header adverse current section 19, at the 500-800 ㎜ of gland steam exhauster 22, by top lime set header adverse current section 19 along footpath
To be divided into the parts that are connected of adverse current tube bank 18 and be connected with blast pipe 22 part (reflux line 17 also with the part phase
Even), effect is that the steam passed through is depressurized again and vapour, water is separated by molecular friction power, it is further condensed into water.
The half resistance vapour dividing plate 16, is non-perforate above the dividing plate of an iron semicircle or approximate half-circular, dividing plate, half
15 points radially by bottom lime set header adverse current section of resistance vapour dividing plate 16 is to restrain 18 parts being connected and and return duct with adverse current
The part that road 17 is connected, main function is:One is to be guided to adverse current tube bank 18 to depressurizing later steam progress stop, and two be to make
The water condensed can reach reflux line 17.
The following current tube bank 12, is the tubulation that a single nominal diameter is DN15-25 ㎜, and it connects top lime set header
Following current section with bottom lime set header, to be staggered in arrangement, the number of following current tube bank is determined with the size of the displacement of lime set flash vessel 1
Amount, generally 25-50 row, adjacent column distance is 50-70 ㎜, and effect is that the lime set progress got off to through-flow steam discharge and condensation is cold
But and collect.
The adverse current tube bank 18, is the tubulation that a single nominal diameter is DN15-25 ㎜, and it connects top lime set header
With the adverse current section of bottom lime set header, to be staggered in arrangement, the number of adverse current tube bank is determined with the size of the displacement of lime set flash vessel 1
Amount, generally 25-50 row, adjacent column distance is 60-80 ㎜, and effect is mainly cooled down to through-flow steam discharge.
The drainage pipe 23, is an a diameter of DN50-80 ㎜, wall thickness is 2.5-3.5 ㎜ steel pipe, main to make
With the top lime set header following current section 9 for connection lime set flash vessel blow-off line 8 and the steam discharge reclaimer.
The reflux line 17, is an a diameter of DN32-75 ㎜, wall thickness is 2.5-3.5 ㎜ steel pipe, main to make
Entered with upper and lower part lime set header adverse current section to the flash vessel liquid Space bottom blow valve 2 for the connection steam discharge reclaimer
Mouth end, lime set is reclaimed to the purpose of lime set flash vessel liquid Space to reach.
The gland steam exhauster 22, is to make the faint steam discharge after repeatedly decompression, to ensure the through-flow cooling of steam
Do not build the pressure, the full resistance steam vent plate 21 set in blast pipe 22 not only makes the faint steam of discharge be depressured again and steam-water separation, and
And with obvious Noise Reduction.
The course of work of above-mentioned steam discharge reclaimer is as shown in figure 1, what is flashed when normal inside lime set flash vessel 1 is solidifying
Liquid enters two lime set pumps 4 (A/B) by lime set pump intake pipeline and lime set pump intake valve 3, by being beaten after pressurization to lime set
Recycled after the processing of precision processing device, check-valves 5 is provided with lime set pump discharge pipeline for anti-backflow.For ease of maintenance lime set
Flasher base liquid Space is provided with discharging valve (being connected before valve with the reflux line 17 of steam discharge reclaimer).Dodged from lime set
After the steam that steaming device 1 is discharged enters top lime set header following current section 9 through drainage pipe 23, first pass around full resistance steam vent plate 10 and buffer
In top lime set header following current section 9, dilatation is depressured again after decompression, and the steam after decompression passes through several following current pipes being staggered in arrangement
Beam 12 carries out large area and exchanged heat with outside air, bottom lime set header following current section 13 is entered after cooling down, wherein by following current
The latter half that the lime set that tube bank 12 cools down is directly over bottom lime set header at the position of half resistance steam vent plate 14 enters
Bottom lime set header adverse current section 15, is then carried out through reflux line 17 by difference in height from the liquid Space of lime set flash vessel 1 is flowed back to
Reclaim.The steam discharge that part does not cool down completely is buffered through more than half resistance steam vent plates 14 again, and further decompression, the minute-pressure after decompression is steamed
Vapour enters reverse stream pipe beam 18 after the dilatation of bottom lime set header adverse current section 15 and the water conservancy diversion of half resistance vapour dividing plate 16 again, empty with the external world again
Gas Convective heat tranfer cooling, after be discharged into top lime set header adverse current section 19, finally by half resistance in the lime set header adverse current section of top
Steam vent plate 20 and further decompression, the condensation of the full resistance steam vent plate 21 in blast pipe 22, by a small amount of after the full resistance steam vent plate 21
Steam discharge is extraneous, so as to realize steam discharge cooling and the recovery of lime set.
Advantage of the present utility model is as follows:
(1) the utility model mainly replaces such as electric water circulating pump and heat exchanger, injector to consume energy using static equipment
Dynamic equipment, reduce the steam discharge reclaimer energy and economic consumption, improve the operational reliability of steam discharge reclaimer, reduce
Operation expense.
(2) the top lime set header of the utility model use, following current tube bank, bottom lime set header, half resistance steam vent plate, adverse current
Tube bank, drainage pipe, reflux line, full resistance steam vent plate, gland steam exhauster etc. are all the atmospheric pressure device made using common iron, structure
Simply, cost is low.
(3) steam discharge outside flash vessel is carried out free convection by the utility model using cleverly designing using thermodynamic principles
Cooling is reclaimed, easy and effective.
(4) the utility model can make steam-water separation process naturalization, and be integrated into flash vessel steam discharge with lime set recovery
One entirety, improves the steam-water separation cooling organic efficiency of whole system, has reached recovery steam discharge purpose.
Claims (8)
1. a kind of lime set flash vessel steam discharge retracting device, it is characterised in that:Including top lime set header, it is arranged at top lime set collection
Bottom lime set header below case and the following current tube bank (12) for being exchanged heat with outside air and adverse current restrain (18), it is described on
Blind piece (11) for the lime set header to be divided into mutually disconnected following current section and adverse current section are provided with portion's lime set header, on
The drainage pipe (23) for introducing lime set flash vessel (1) steam discharge, bottom lime set collection are provided with the following current section of portion's lime set header
The resistance steam vent plate for the lime set header to be divided into following current section and adverse current section, the latter half of the resistance steam vent plate are provided with case
The breach circulated for lime set is left, it is corresponding that following current section of the upper/lower terminal of (12) respectively with upper and lower part lime set header is restrained in following current
It is connected, the upper/lower terminal of adverse current tube bank (18) is corresponding with the adverse current section of upper and lower part lime set header respectively to be connected, bottom lime set collection
It is provided with the adverse current section of case in the reflux line (17) for discharging lime set, the adverse current section of top lime set header and is provided with exhaust
Manage (22), resistance steam vent plate is provided with the following current section of top lime set header, the following current section of top lime set header passes through the resistance steam vent
Plate is divided into the part for connecting drainage pipe (23) and the part for connecting following current tube bank (12).
2. a kind of lime set flash vessel steam discharge retracting device according to claim 1, it is characterised in that:The top lime set header
And bottom lime set header is horizontally disposed cylinder.
3. a kind of lime set flash vessel steam discharge retracting device according to claim 1, it is characterised in that:(12) are restrained in the following current
And adverse current tube bank (18) is some tubulations being staggered in arrangement being connected between the lime set header of upper and lower part.
4. a kind of lime set flash vessel steam discharge retracting device according to claim 1, it is characterised in that:In the blast pipe (22)
It is provided with resistance steam vent plate.
5. a kind of lime set flash vessel steam discharge retracting device according to claim 1, it is characterised in that:The top lime set header
Adverse current section in be provided with resistance steam vent plate, the adverse current of top lime set header section is divided into by the resistance steam vent plate restrains (18) with adverse current
The part of connection and the part being connected with blast pipe (22), reflux line (17) are connected with the part, the resistance steam vent plate
The latter half leave for lime set circulate breach.
6. a kind of lime set flash vessel steam discharge retracting device according to claim 1, it is characterised in that:The bottom lime set header
Adverse current section in be provided with resistance vapour dividing plate, the adverse current of bottom lime set header section is divided into by the resistance vapour dividing plate restrains (18) with adverse current
Leave what is circulated for lime set in the part of connection and the part being connected with reflux line (17), the latter half of the resistance vapour dividing plate
Breach.
7. the lime set flash vessel steam discharge retracting device according to any one in claim 1-6, it is characterised in that:The resistance
Steam vent plate is the dividing plate with the cone hole (24) being evenly arranged, and the tip direction of cone hole (24) comes vapour direction.
8. a kind of lime set flash vessel steam discharge retracting device according to claim 1, it is characterised in that:The reflux line (17)
Connected with the liquid Space of lime set flash vessel (1), drainage pipe (23) is connected with the blow-off line of the lime set flash vessel (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720198118.9U CN206587430U (en) | 2017-03-02 | 2017-03-02 | A kind of lime set flash vessel steam discharge retracting device |
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CN201720198118.9U CN206587430U (en) | 2017-03-02 | 2017-03-02 | A kind of lime set flash vessel steam discharge retracting device |
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CN206587430U true CN206587430U (en) | 2017-10-27 |
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CN201720198118.9U Active CN206587430U (en) | 2017-03-02 | 2017-03-02 | A kind of lime set flash vessel steam discharge retracting device |
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2017
- 2017-03-02 CN CN201720198118.9U patent/CN206587430U/en active Active
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