CN203474491U - Heat recycling device of high-temperature and high-pressure waste water - Google Patents
Heat recycling device of high-temperature and high-pressure waste water Download PDFInfo
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- CN203474491U CN203474491U CN201320604359.0U CN201320604359U CN203474491U CN 203474491 U CN203474491 U CN 203474491U CN 201320604359 U CN201320604359 U CN 201320604359U CN 203474491 U CN203474491 U CN 203474491U
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Abstract
The utility model discloses a heat recycling device of high-temperature and high-pressure waste water. The heat recycling device comprises a pressure-bearing outer shell, a flashing evaporation area, an indirect heat exchange area, a direct heat exchange area and a separation area. The flashing evaporation function, the heat exchange function and the separation function are integrated, the size is small, the occupied area is saved, connected pipes between devices are eliminated, the device manufacturing and operation cost is reduced, and the technological process and the production operation procedure are simplified; due to the arrangement of a heat exchange inner piece A and a heat exchange inner piece B, the indirect heat exchange and the direct heat exchange are carried out inside the heat recycling device at the same time, and the recycling rate of heat in the waste water is effectively improved.
Description
Technical field
The utility model relates to waste water heat reclaim unit, particularly for the heat reclaim unit of High Temperature High Pressure waste water.
Background technology
Along with the fast development of modernization industry, the quantity discharged of various waste water increases year by year, how waste water is effectively utilized, become the problem of solution that people from all walks of life are concerned about, the wherein processing of coal gasification waste water is a great problem of domestic and international field of waste water treatment always, in widespread attention.
In coal gasification waste water, except containing the poisonous and harmful substances such as a large amount of phenol, prussiate, oil, ammonia nitrogen, generally also there is the feature of High Temperature High Pressure, therefore, before processing, need to carry out heat recuperation to it, realize effective utilization of energy, save energy.
The method of existing gas recovery waste water heat mainly can be summarized as two kinds, a kind of is by one or more flash tanks are set, according to vapor pressure grade, carry out flash distillation step by step, flash-off steam is for heat-exchange equipment, thus the steam demand amount of minimizing steam pipe system; Another kind is by heat-exchange equipment, directly coal gasification waste water is heated the processing medium of needs heating, realizes the recovery of heat.
In these two kinds of methods, first method technical process is long, complicated operation, and the obnoxious flavour difficult treatment simultaneously parsing with flash-off steam, and owing to being provided with the cause of a plurality of flash tanks, the floor space needing is also larger; And for second method, can only carry out indirect heat exchange, the heat in waste water is also underutilized.
Summary of the invention
The utility model, for solving the problems of the technologies described above, proposes a kind of High Temperature High Pressure waste water heat reclaim unit.
For reaching above object, be achieved through the following technical solutions:
High Temperature High Pressure waste water heat reclaim unit, comprising: inner with sealing the bearing shell body of container cavity and being set in turn in from the bottom to top the flash zone in container cavity in bearing shell body, indirect heat exchange district, gas distributor, direct heat exchange district and disengaging zone; Flash zone is positioned at bearing shell body container cavity bottom; Bearing shell body top is provided with non-condensable gas outlet, and bottom is provided with leakage fluid dram; Bearing shell body bottom is taper, and it is downward to bore sharp direction; Leakage fluid dram is arranged at bearing shell body bottom cone tip part;
On bearing shell body and be arranged in flash zone gas-phase space and be provided with the waterwater entrance that enters bearing shell body container cavity for waste water;
Indirect heat exchange district is positioned at waterwater entrance top;
Indirect heat exchange district comprises: be fixed on the heat exchange internals A of bearing shell body inside, the first admission port entering for cold processing medium and the first row outlet of discharging for cold processing medium; Heat exchange internals A is tubular heat exchanger or the plate-type heat exchanger of single tube journey;
The first admission port and first row outlet lay respectively at the upper and lower of Liang Ge opposite flank, indirect heat exchange district, and the first admission port is communicated with two ports in heat exchange internals A respectively with first row outlet;
Gas distributor is fixed in bearing shell body, and is positioned at top, indirect heat exchange district;
Direct heat exchange district is positioned at gas distributor top;
Direct heat exchange district comprises: be fixed on the heat exchange internals B of bearing shell body inside, the second admission port entering for cold processing medium and the liquid exit of discharging for cold processing medium; Heat exchange internals B is tower plate structure or filling-material structure; (column plate: complex slant-hole tray, Linde sieve tray column plate, valve tray, bubble cap plate, combined column plate, combined trapezoid spray tray (vsi) 95 type column plates, spray float tower, tongue type column plate, fall liquid column plate, gas-liquid distributor, anti-stop-type gas-liquid distributor, liquid header, scum dredger, strainer, float valve, bubble-cap, various fastening piece, expanded metal lath more; Filler can be used random packing or structured packing, wherein random packing: the pottery of all size model, plastics, metal, the new packings such as Raschig ring, Pall ring, rectangular saddle ring, cascade ring, structured packing: the wire packing of various materials, specifications and models, perforated plate corrugated filler, compounded mix, anti-stop-type combination structured packing, Ge Lixi grid packing, honeycomb filler.) heat exchange internals B can the above-mentioned column plate of single use or a kind of structure of filler, or adopt wherein several combination assembly structures.
The second admission port is positioned at heat exchange internals B top; Liquid exit is positioned on the gas distributor of heat exchange internals B below;
Disengaging zone is positioned at the second admission port top, and disengaging zone consists of the separated internals that are fixed on bearing shell body inwall, separated internals adopt separately blade, flap, traverse baffle, silk screen, spiral board, cyclone pipe structure, or adopt the combination assembly structure of blade, flap, traverse baffle, silk screen, spiral board, cyclone pipe;
Adopt the utility model of technique scheme, High Temperature High Pressure waste water enters the inside of bearing shell from waterwater entrance, in flash zone, there is flash distillation, liquid after flash distillation is discharged from the leakage fluid dram of pressure-bearing body skin bottom, go follow up device to carry out recycling after wastewater treatment, the gas flashing off upwards enters indirect heat exchange district (comprising the non-condensable gas dissolving in saturation steam under device setting pressure and waste water in gas);
Indirect heat exchange district comprises: be fixed on the heat exchange internals A of bearing shell body inside, the first admission port entering for cold processing medium and the first row outlet of discharging for cold processing medium; Heat exchange internals A is tubular heat exchanger or the plate-type heat exchanger of single tube journey; The first admission port and first row outlet lay respectively at the upper and lower of Liang Ge opposite flank, indirect heat exchange district, and the first admission port is communicated with two ports in heat exchange internals A respectively with first row outlet;
Indirect heat exchange district is positioned at the middle and lower part of bearing shell, on flash zone, and by the heat exchange internals A that is fixed on bearing shell body inside, the first admission port entering for cold processing medium and the first row export mixes of discharging for cold processing medium; Heat exchange internals A can be tubular structure or plank frame, and its effect is equivalent to tubular heat exchanger or the plate-type heat exchanger of single tube journey; The gas flashing off is walked tube side, needs the processing medium (cold processing medium) of heating to walk shell side, and both carry out indirect heat exchange in heat exchange internals A;
Flash gas is in the process of heating process medium, part vapor condensation is drop, along heat exchange internals, A is back to flash zone, with the liquid after flash distillation, together from leakage fluid dram, discharge, uncooled gas continues upwards to flow, through being arranged on the gas distributor (being mainly used in making gas to realize is uniformly distributed) on heat exchange internals A top, enter direct heat exchange district, gas distributor is fixed on bearing shell body inwall;
Direct heat exchange district is positioned at gas distributor top;
Direct heat exchange district comprises: be fixed on the heat exchange internals B of bearing shell body inside, the second admission port entering for cold processing medium and the liquid exit of discharging for cold processing medium; Heat exchange internals B is tower plate structure or filling-material structure;
Direct heat exchange district is positioned at the middle and upper part of bearing shell, and gas distributor top, consists of the heat exchange internals B being fixed on bearing shell body inwall, and heat exchange internals B can be tower plate structure or filling-material structure; Another strand needs the processing medium (cold processing medium) of heating, and the liquid inlet access arrangement from heat exchange internals B top carries out heat exchange by directly contacting with flash gas on heat exchange internals B; In this process, the steam in flash gas is all condensed into lime set by processing medium substantially, and in company with the processing medium after heating together, the liquid exit from gas distributor top flows out, for lower procedure; Non-condensable gas in flash gas is being carried a small amount of drop secretly and is upwards being entered disengaging zone;
Disengaging zone is positioned at the top of bearing shell, on direct heat exchange district, by the separated internals that are fixed on bearing shell inwall, formed, the separator internals with gas liquid separating function all can be used as separated internals and use, as blade, flap, traverse baffle, silk screen, spiral board, cyclone pipe etc. or be blade, flap, traverse baffle, silk screen, spiral board, the unitized construction of cyclone pipe, non-condensable gas in separated internals after gas-liquid separation, the droplets fall of carrying secretly in gas is to direct heat exchange district, with the processing medium in direct heat exchange district, flow out equipment, non-condensable gas is by the pneumatic outlet device for transferring at bearing shell top.
With respect to conventional art, the utlity model has following advantage:
1. collect flash distillation, heat exchange, be located away from one, volume is little, saves floor occupying area, and saves connected pipeline between equipment, has reduced device fabrication and running cost, has simplified technical process and production operation program.
2. by the setting of heat exchange internals A and heat exchange internals B, in equipment, carry out indirect heat exchange and direct heat exchange simultaneously, effectively improved the recovery utilization rate of heat in waste water.
3. non-condensable gas, before discharger, has carried out steam separation in disengaging zone, and the water to steam ratio in non-condensable gas is lower, can effectively simplify the flow process that downstream process is processed non-condensable gas.
4. while containing solid impurity in waste water, solid impurity can be in flash zone by settlement separate mode, and with the device for transferring together of the liquid after flash distillation, so this device can be used for reclaiming the heat containing the High Temperature High Pressure waste water of solid impurity equally.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to better understand technique means of the present utility model, and can be implemented according to the content of specification sheets, and for above and other object of the present utility model, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
The utility model is totally 1 width accompanying drawing, wherein:
Fig. 1 is structural representation of the present utility model.
In figure: 1, waterwater entrance, 2, bearing shell body, 3, flash zone, 4, leakage fluid dram, the 5, first admission port, 6, indirect heat exchange district, 7, liquid exit, 8, gas distributor, 9, direct heat exchange district, 10, the second admission port, 11, non-condensable gas outlet, 12, disengaging zone, 13, heat exchange internals A, 14, first row outlet, 15, heat exchange internals B, 16, separated internals.
Embodiment
High Temperature High Pressure waste water heat reclaim unit as shown in Figure 1, comprising: inner with sealing the bearing shell body 2 of container cavity and being set in turn in from the bottom to top flash zone 3, indirect heat exchange district 6, gas distributor 8, direct heat exchange district 9 and the disengaging zone 12 in the interior container cavity of bearing shell body 2; Flash zone 3 is positioned at bearing shell body 2 container cavity bottoms; Bearing shell body 2 tops are provided with non-condensable gas outlet 11, and bottom is provided with leakage fluid dram 4; Bearing shell body 2 bottoms are taper, and it is downward to bore sharp direction; Leakage fluid dram 4 is arranged at bearing shell body 2 bottom cone tip parts;
On bearing shell body 2 and be arranged in flash zone 3 gas-phase spaces and be provided with the waterwater entrance 1 that enters bearing shell body 2 container cavities for waste water;
Indirect heat exchange district 6 is positioned at waterwater entrance 1 top;
Indirect heat exchange district 6 comprises: be fixed on the heat exchange internals A13 of bearing shell body 2 inside, the first admission port 5 entering for cold processing medium and the first row outlet 14 of discharging for cold processing medium; Heat exchange internals A13 is tubular heat exchanger or the plate-type heat exchanger of single tube journey;
The first admission port 5 and first row outlet 14 lay respectively at the upper and lower of 6 two opposite flanks, indirect heat exchange district, and the first admission port 5 is communicated with two ports in heat exchange internals A13 respectively with first row outlet 14;
Direct heat exchange district 9 is positioned at gas distributor 8 tops;
Direct heat exchange district 9 comprises: be fixed on the heat exchange internals B15 of bearing shell body 2 inside, the second admission port 10 entering for cold processing medium and the liquid exit 7 of discharging for cold processing medium; Heat exchange internals B15 is tower plate structure or filling-material structure;
The second admission port 10 is positioned at heat exchange internals B15 top; Liquid exit 7 is positioned on the gas distributor 8 of heat exchange internals B15 below;
Disengaging zone 12 is positioned at the second admission port 10 tops, and disengaging zone 12 consists of the separated internals 16 that are fixed on bearing shell body 2 inwalls, separated internals 16 adopt separately blade, flap, traverse baffle, silk screen, spiral board, cyclone pipe structure, or adopt the combination assembly structure of blade, flap, traverse baffle, silk screen, spiral board, cyclone pipe;
Adopt the utility model of technique scheme, High Temperature High Pressure waste water enters the inside of bearing shell 2 from waterwater entrance 1, the 3 interior generation flash distillations in flash zone, liquid after flash distillation is discharged from the leakage fluid dram 4 of pressure-bearing body skin 2 bottoms, go follow up device to carry out recycling after wastewater treatment, the gas flashing off upwards enters the non-condensable gas dissolving in the saturation steam that comprises in indirect heat exchange district 6(gas under device setting pressure and waste water);
Indirect heat exchange district 6 comprises: be fixed on the heat exchange internals A13 of bearing shell body 2 inside, the first admission port 5 entering for cold processing medium and the first row outlet 14 of discharging for cold processing medium; Heat exchange internals A13 is tubular heat exchanger or the plate-type heat exchanger of single tube journey; The first admission port 5 and first row outlet 14 lay respectively at the upper and lower of 6 two opposite flanks, indirect heat exchange district, and the first admission port 5 is communicated with two ports in heat exchange internals A13 respectively with first row outlet 14;
Indirect heat exchange district 6 is positioned at the middle and lower part of bearing shell 2, and on flash zone 3, by the heat exchange internals A13 that is fixed on bearing shell body 2 inside, the first admission port 5 entering for cold processing medium and the first row outlet 14 of discharging for cold processing medium form; Heat exchange internals A13 can be tubular structure or plank frame, and its effect is equivalent to tubular heat exchanger or the plate-type heat exchanger of single tube journey; The gas flashing off is walked tube side, needs the processing medium (cold processing medium) of heating to walk shell side, and both carry out indirect heat exchange in heat exchange internals A13;
Flash gas is in the process of heating process medium, part vapor condensation is drop, along heat exchange internals, A13 is back to flash zone 3, with the liquid after flash distillation, together from leakage fluid dram 4, discharge, uncooled gas continues upwards to flow, through being arranged on the gas distributor 8(on heat exchange internals A13 top, be mainly used in making gas realization to be uniformly distributed), enter direct heat exchange district 9, gas distributor 8 is fixed on bearing shell body 2 inwalls;
Direct heat exchange district 9 is positioned at gas distributor 8 tops;
Direct heat exchange district 9 comprises: be fixed on the heat exchange internals B15 of bearing shell body 2 inside, the second admission port 10 entering for cold processing medium and the liquid exit 7 of discharging for cold processing medium; Heat exchange internals B15 is tower plate structure or filling-material structure;
Direct heat exchange district 9 is positioned at the middle and upper part of bearing shell 2, and gas distributor 8 tops consist of the heat exchange internals B15 being fixed on bearing shell body 2 inwalls, and heat exchange internals B15 can be tower plate structure or filling-material structure; Another strand needs the processing medium (cold processing medium) of heating, from the liquid inlet on heat exchange internals B15 top 10 access arrangements, carries out heat exchange with flash gas on heat exchange internals B15 by directly contacting; In this process, the steam in flash gas is all condensed into lime set by processing medium substantially, and in company with the processing medium after heating together, the liquid exit 7 from gas distributor 8 tops flows out, for lower procedure; Non-condensable gas in flash gas is being carried a small amount of drop secretly and is upwards being entered disengaging zone 12;
Disengaging zone 12 is positioned at the top of bearing shell 2, on direct heat exchange district 9, by the separated internals that are fixed on bearing shell 2 inwalls, formed, the separator internals with gas liquid separating function all can be used as separated internals and use, as blade, flap, traverse baffle, silk screen, spiral board, cyclone pipe etc. or be blade, flap, traverse baffle, silk screen, spiral board, the unitized construction of cyclone pipe, non-condensable gas in separated internals after gas-liquid separation, the droplets fall of carrying secretly in gas is to direct heat exchange district 9, with the processing medium in direct heat exchange district 9, flow out equipment, non-condensable gas is by pneumatic outlet 11 device for transferring at bearing shell 2 tops.
With respect to conventional art, the utlity model has following advantage:
1. collect flash distillation, heat exchange, be located away from one, volume is little, saves floor occupying area, and saves connected pipeline between equipment, has reduced device fabrication and running cost, has simplified technical process and production operation program.
2. by the setting of heat exchange internals A and heat exchange internals B, in equipment, carry out indirect heat exchange and direct heat exchange simultaneously, effectively improved the recovery utilization rate of heat in waste water.
3. non-condensable gas, before discharger, has carried out steam separation in disengaging zone, and the water to steam ratio in non-condensable gas is lower, can effectively simplify the flow process that downstream process is processed non-condensable gas.
4. while containing solid impurity in waste water, solid impurity can be in flash zone by settlement separate mode, and with the device for transferring together of the liquid after flash distillation, so this device can be used for reclaiming the heat containing the High Temperature High Pressure waste water of solid impurity equally.
The above, it is only preferred embodiment of the present utility model, not the utility model is done to any pro forma restriction, although the utility model discloses as above with preferred embodiment, yet not in order to limit the utility model, any those skilled in the art are not departing within the scope of technical solutions of the utility model, when utilizing, appeal the equivalent embodiment that the technology contents disclosing is made a little change or is modified to equivalent variations, in every case be the content that does not depart from technical solutions of the utility model, foundation technical spirit of the present utility model is to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (3)
1. High Temperature High Pressure waste water heat reclaim unit, it is characterized in that: comprise, inner with sealing the bearing shell body (2) of container cavity and being set in turn in from the bottom to top flash zone (3), indirect heat exchange district (6), gas distributor (8), direct heat exchange district (9) and disengaging zone (12) in the interior container cavity of bearing shell body (2); Described flash zone (3) is positioned at bearing shell body (2) container cavity bottom; Described bearing shell body (2) top is provided with non-condensable gas outlet (11), and bottom is provided with leakage fluid dram (4);
Described bearing shell body (2) is gone up and is arranged in flash zone (3) gas-phase space and is provided with the waterwater entrance (1) that enters bearing shell body (2) container cavity for waste water;
Described indirect heat exchange district (6) is positioned at waterwater entrance (1) top;
Described indirect heat exchange district (6) comprising: be fixed on the inner heat exchange internals A(13 of bearing shell body (2)), the first admission port (5) entering for cold processing medium and the first row outlet (14) of discharging for cold processing medium; Described heat exchange internals A(13) be tubular heat exchanger or the plate-type heat exchanger of single tube journey;
Described the first admission port (5) and first row outlet (14) lays respectively at the upper and lower of (6) two opposite flanks, indirect heat exchange district, the first admission port (5) and first row outlet (14) respectively with heat exchange internals A(13) interior two ports are communicated with;
Described gas distributor (8) is fixed in bearing shell body (2), and is positioned at top, indirect heat exchange district (6);
Described direct heat exchange district (9) is positioned at gas distributor (8) top;
Described direct heat exchange district (9) comprising: be fixed on the inner heat exchange internals B(15 of bearing shell body (2)), the second admission port (10) entering for cold processing medium and the liquid exit (7) of discharging for cold processing medium; Described heat exchange internals B(15) be tower plate structure or filling-material structure; Described the second admission port (10) is positioned at heat exchange internals B(15) top; Described liquid exit (7) is positioned at heat exchange internals B(15) below gas distributor (8) on;
Described disengaging zone (12) is positioned at the second admission port (10) top, and described disengaging zone (12) consist of the separated internals (16) that are fixed on bearing shell body (2) inwall.
2. High Temperature High Pressure waste water heat reclaim unit according to claim 1, is characterized in that: described bearing shell body (2) bottom is taper, and it is downward to bore sharp direction; Described leakage fluid dram (4) is arranged at bearing shell body (2) bottom cone tip part.
3. High Temperature High Pressure waste water heat reclaim unit according to claim 1, it is characterized in that: described separated internals (16) adopt separately blade, flap, traverse baffle, silk screen, spiral board, cyclone pipe structure, or adopt the combination assembly structure of blade, flap, traverse baffle, silk screen, spiral board, cyclone pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320604359.0U CN203474491U (en) | 2013-09-27 | 2013-09-27 | Heat recycling device of high-temperature and high-pressure waste water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320604359.0U CN203474491U (en) | 2013-09-27 | 2013-09-27 | Heat recycling device of high-temperature and high-pressure waste water |
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| Publication Number | Publication Date |
|---|---|
| CN203474491U true CN203474491U (en) | 2014-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320604359.0U Withdrawn - After Issue CN203474491U (en) | 2013-09-27 | 2013-09-27 | Heat recycling device of high-temperature and high-pressure waste water |
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| Country | Link |
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| CN (1) | CN203474491U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103523841A (en) * | 2013-09-27 | 2014-01-22 | 大连金重鼎鑫科技有限公司 | High-temperature high-pressure waste water heat recovery device |
| CN104591325A (en) * | 2015-01-29 | 2015-05-06 | 赵东旭 | Oily sewage treatment device and sewage treatment method |
-
2013
- 2013-09-27 CN CN201320604359.0U patent/CN203474491U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103523841A (en) * | 2013-09-27 | 2014-01-22 | 大连金重鼎鑫科技有限公司 | High-temperature high-pressure waste water heat recovery device |
| CN104591325A (en) * | 2015-01-29 | 2015-05-06 | 赵东旭 | Oily sewage treatment device and sewage treatment method |
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