CN204671916U - Concentrating sodium aluminate solution seven effect stage evaporation device groups - Google Patents
Concentrating sodium aluminate solution seven effect stage evaporation device groups Download PDFInfo
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- CN204671916U CN204671916U CN201520209099.6U CN201520209099U CN204671916U CN 204671916 U CN204671916 U CN 204671916U CN 201520209099 U CN201520209099 U CN 201520209099U CN 204671916 U CN204671916 U CN 204671916U
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Abstract
The utility model discloses a kind of concentrating sodium aluminate solution seven effect stage evaporation device groups, evaporator bank comprises the evaporator bank be made up of heating clamber and vapor-liquid separation chamber, it is characterized in that: described heating clamber and vapor-liquid separation chamber are split-type structural, the seven single-effect evaporator groups be linked together successively constitute solution and concentrate loop and steam circuit.This structure has good energy-saving effect and preferably economic benefit and social benefit.
Description
Technical field
The utility model relates to the concentration and evaporation equipment of Alumina Produce Liquor-sodium aluminate solution, especially relates to a kind of concentrating sodium aluminate solution seven effect stage evaporation device groups.
Background technology
Concentration and evaporation at present to Alumina Produce Liquor-sodium aluminate solution, general employing triple effect natural-circulation evaporator group, quadruple effect natural-circulation evaporator group, five effect natural-circulation evaporator groups, five effect falling film evaporator groups, six effect falling film evaporator groups etc., old production line major part adopts triple effect, quadruple effect, quintuple effect evaporator group job, newly-built production line many employings sextuple effect group job.The defect existed during these evaporator bank operations is as follows: one is that higher (steam consumption of triple effect evaporator group job reaches 0.5 ~ 0.6t vapour/t water to the steam consumption, during four-effect evaporator group job, the steam consumption reaches 0.4 ~ 0.5t vapour/t water, during quintuple effect evaporator group job, the steam consumption reaches 0.35 ~ 0.4t vapour/t water, during sextuple effect group job, the steam consumption reaches 0.3 ~ 0.35t vapour/t water), cause production cost high; Two be the heating clamber of used falling film evaporator and separation chamber is integral type structure, and vapor-liquid separation is insufficient, and cause liquid foam entrainment, to run alkali serious, time condensation water can not be reused by back boiler.
Summary of the invention
The purpose of this utility model is to provide a kind of concentrating sodium aluminate solution seven effect stage evaporation device groups for above-mentioned defect, and during this evaporator bank operation, the steam consumption is low, vapor-liquid separation abundant, and time condensation water also can be got back in boiler and reuse.
For achieving the above object, the utility model can take following technical proposals: concentrating sodium aluminate solution seven effect stage evaporation device groups, comprise the evaporator bank be made up of heating clamber and vapor-liquid separation chamber, described heating clamber and vapor-liquid separation chamber are split-type structural, and seven groups of evaporator bank connect successively and constitute solution and concentrate loop and steam circuit; It is characterized in that:
Described solution concentrates loop and is made up of the be set up in parallel first concentrated branch road and the second concentrated branch road;
First concentrated route first imitates heating clamber, the second effect heating clamber, triple effect heating clamber, first order flash vessel, second level flash vessel, third level flash vessel, fourth stage flash vessel, level V flash vessel UNICOM's formation successively, the underfeed mouth of stoste feeding pipe and triple effect heating clamber is connected, and the bottom discharge mouth of finished product reclaim line and level V flash vessel is connected;
Second concentrated route quadruple effect heating clamber, the 5th effect heating clamber, the 6th effect heating clamber, the 7th effect heating clamber, fourth stage flash vessel, level V flash vessel UNICOM connect, the underfeed mouth that stoste feeding pipe and the 7th imitates heating clamber is connected, and the bottom discharge mouth of finished product reclaim line and level V flash vessel is connected; Circulation material loading pipeline is provided with between the underfeed mouth and top feeding port of quadruple effect heating clamber, the 5th effect heating clamber, the 6th effect heating clamber, the 7th effect heating clamber;
Steam circuit comprises the condensation of raw steam and the recovery of condensed water thereof, the condensation of indirect steam and the recovery of condensed water thereof: deliver a child outward steam admission pipeline and the first air intake of imitating heating clamber are connected, the indirect steam outlet vapor-liquid separation chamber corresponding with it of the first to the 7th effect heating clamber is connected, that is: the indirect steam outlet of the first effect heating clamber is imitated vapor-liquid separation chamber be connected with first, the indirect steam outlet and second of the second effect heating clamber is imitated vapor-liquid separation chamber and is connected, the like imitate vapor-liquid separation chamber to the indirect steam outlet the corresponding with it the 7th of the 7th effect heating clamber and be connected,
The air intake of next effect heating clamber is connected with it respectively on the indirect steam steam outlet pipe road of the first to the 6th effect vapor-liquid separation chamber, that is: the first effect indirect steam steam outlet pipe road of vapor-liquid separation chamber and the second air intake of imitating heating clamber are connected, 7th effect heating clamber of the indirect steam steam outlet pipe Lu Yu triple effect heating clamber of the second effect vapor-liquid separation chamber, the like imitate heating clamber to the indirect steam steam outlet pipe Lu Yu seven of the 6th effect vapor-liquid separation chamber air intake be connected;
The first to level V flash vessel indirect steam steam outlet pipe road is imitated vapor-liquid separation chamber with second to the 6th respectively and is connected, that is: the indirect steam steam outlet pipe road and second of first order flash vessel is imitated vapor-liquid separation chamber and is connected, the indirect steam steam outlet pipe Lu Yu triple effect vapor-liquid separation chamber of second level flash vessel is connected, the indirect steam steam outlet pipe Lu Yu quadruple effect vapor-liquid separation chamber of third level flash vessel is connected, the indirect steam steam outlet pipe Lu Yu five of fourth stage flash vessel is imitated vapor-liquid separation chamber and is connected, the indirect steam steam outlet pipe Lu Yu six of level V flash vessel is imitated vapor-liquid separation chamber and is connected, the steam outlet pipe road of the 7th effect vapor-liquid separation chamber is connected with water cooler and vavuum pump,
A condensed water of the first effect heating clamber is collected by a condensate water pot and a condensate pump; Second imitates heating clamber, triple effect heating clamber, quadruple effect heating clamber, the 5th imitates heating clamber, the 6th effect heating clamber and the 7th is collected through time condensation water pot and time condensation water pump after imitating the time condensation hydration also of heating clamber extraction.
Circulation material loading pipeline is provided with circulating pump.
Mass transport pipeline between adjacent two heating clambers is provided with punishment in advance pump.
The utility model has the advantage of that seven effect operations can make use of flash steam six times, when solution is concentrated, the steam consumption is lower; Two-part concentration and evaporation technology makes the material entering the first effect heating clamber reduce, thus reduces the consumption of raw steam; Adopt the heating clamber of split-type structural and vapor-liquid separation chamber to carry out falling film evaporation, make vapor-liquid separation abundant, there is not liquid foam entrainment, run alkali situation, two condensed waters can be got back in boiler and reuse.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is material flow figure of the present utility model.
Fig. 3 is steam flow diagram of the present utility model.
In figure, 1, heating clamber (1a, first effect heating clamber; 1b, the second effect heating clamber; 1c, triple effect heating clamber; 1d, quadruple effect heating clamber; 1e, the 5th effect heating clamber; 1f, the 6th effect heating clamber; 1g, the 7th effect heating clamber); 2, vapor-liquid separation chamber; 3, flash vessel (3a, first order flash vessel; 3b, second level flash vessel; 3c, third level flash vessel; 3d, fourth stage flash vessel; 3e, level V flash vessel); 4, stoste feeding pipe; 5, finished product reclaim line; 6, circulation material loading pipeline; 7, circulating pump; 8, punishment in advance pump; 9, to deliver a child outward steam admission pipeline; 10, water cooler; 11, vavuum pump; 12, a condensate pump; 13, time condensation water pump; 14, finished product punishment in advance pump; 15, the first discharging pump; 16, the second discharging pump.
Detailed description of the invention
As shown in Figure 1, concentrating sodium aluminate solution seven effect stage evaporation device groups, comprise the evaporator bank be made up of heating clamber and vapor-liquid separation chamber, described heating clamber and vapor-liquid separation chamber are split-type structural, and seven groups of evaporator bank connect successively and constitute solution and concentrate loop and steam circuit.
Described solution concentrates loop and is made up of the be set up in parallel first concentrated branch road and the second concentrated branch road;
First concentrated route first imitates heating clamber 1a, the second effect heating clamber 1b, triple effect heating clamber 1c, first order flash vessel 3a, second level flash vessel 3b, third level flash vessel 3c, fourth stage flash vessel 3d, level V flash vessel 3e UNICOM's formation successively, the underfeed mouth of stoste feeding pipe 4 and triple effect heating clamber 1c is connected, and finished product reclaim line 5 is connected with the bottom discharge mouth of level V flash vessel 3e;
Second concentrated route quadruple effect heating clamber 1d, the 5th effect heating clamber 1e, the 6th effect heating clamber 1f, the 7th effect heating clamber 1g, fourth stage flash vessel 3d, level V flash vessel 3e UNICOM connect, the underfeed mouth that stoste feeding pipe 4 and the 7th imitates heating clamber 1g is connected, and finished product reclaim line 5 is connected with the bottom discharge mouth of level V flash vessel 3e; Between the underfeed mouth and top feeding port of quadruple effect heating clamber 1d, the 5th effect heating clamber 1e, the 6th effect heating clamber 1f, the 7th effect heating clamber 1g, be provided with circulation material loading pipeline 6, circulation material loading pipeline 6 is provided with circulating pump 7; Mass transport pipeline between adjacent two heating clambers is provided with punishment in advance pump 8.
Steam circuit comprises the condensation of raw steam and the recovery of condensed water thereof, the condensation of indirect steam and the recovery of condensed water thereof: deliver a child outward steam admission pipeline 9 and the first air intake of imitating heating clamber 1a are connected, the indirect steam outlet vapor-liquid separation chamber corresponding with it of the first to the 7th effect heating clamber is connected, that is: the indirect steam outlet and first of the first effect heating clamber 1a is imitated vapor-liquid separation chamber 2a and is connected, the indirect steam outlet and second of the second effect heating clamber 1b is imitated vapor-liquid separation chamber 2b and is connected, the like to the indirect steam outlet of the 7th effect heating clamber 1g seven imitate vapor-liquid separation chamber 2g be connected corresponding with it,
The air intake of next effect heating clamber is connected with it respectively on the indirect steam steam outlet pipe road of the first to the 6th effect vapor-liquid separation chamber, that is: the first effect indirect steam steam outlet pipe road of vapor-liquid separation chamber 2a and the second air intake of imitating heating clamber 1b are connected, the 7th effect heating clamber 1g's of the indirect steam steam outlet pipe Lu Yu triple effect heating clamber 1c of the second effect vapor-liquid separation chamber 2b, the like imitate heating clamber 1g to the indirect steam steam outlet pipe Lu Yu seven of the 6th effect vapor-liquid separation chamber 2f air intake be connected;
The first to level V flash vessel indirect steam steam outlet pipe road is imitated vapor-liquid separation chamber with second to the 6th respectively and is connected, that is: the indirect steam steam outlet pipe road and second of first order flash vessel 3a is imitated vapor-liquid separation chamber 2b and is connected, the indirect steam steam outlet pipe Lu Yu triple effect vapor-liquid separation chamber 2c of second level flash vessel 3b is connected, the indirect steam steam outlet pipe Lu Yu quadruple effect vapor-liquid separation chamber 2d of third level flash vessel 3c is connected, the indirect steam steam outlet pipe Lu Yu five of fourth stage flash vessel 3d is imitated vapor-liquid separation chamber 2e and is connected, the indirect steam steam outlet pipe Lu Yu six of level V flash vessel 3e is imitated vapor-liquid separation chamber 2f and is connected, the steam outlet pipe road of the 7th effect vapor-liquid separation chamber 2g is connected with water cooler 10 and vavuum pump 11,
A condensed water of the first effect heating clamber 1a is collected by a condensate water pot and a condensate pump 12; Be collected through time condensation water pot and time condensation water pump 13 after the time condensation hydration also that second imitates heating clamber 1b, triple effect heating clamber 1c, quadruple effect heating clamber 1d, the 5th imitate heating clamber 1e, the 6th effect heating clamber 1f and the 7th effect heating clamber 1g draws.
See Fig. 1 and Fig. 2, during work, the sodium aluminate solution that concentration is about 160g/L enters triple effect heating clamber 1c and the 7th effect heating clamber 1g through stoste feeding pipe 4 respectively according to the flow process of two concentrated branch roads, the stoste entering the 7th effect heating clamber 1g is imitating heating clamber 1e, quadruple effect heating clamber 1d heating evaporation respectively by the 7th effect heating clamber 1g, the 6th effect heating clamber 1f, the 5th successively, enter fourth stage flash vessel 3d, level V flash vessel 3e cooling spontaneous evaporation successively through finished product punishment in advance pump 16 again to concentrate, obtain the final mean annual increment solution that concentration is about 220g/L; Enter the stoste of triple effect heating clamber 1c successively through triple effect heating clamber 1c, the second effect heating clamber 1b, the first effect heating clamber 1a heating evaporation respectively, again through finished product punishment in advance pump 14 enter successively first order flash vessel 3a, second level flash vessel 3b, third level flash vessel 3c, fourth stage flash vessel 3d, level V flash vessel 3e lower the temperature spontaneous evaporation concentrate, obtain the final mean annual increment solution that concentration is about 240g/L, collected by discharging pump 15 after the finished product that the first concentrated branch road and the second concentrated branch road obtain the most at last merges.
Meanwhile, first the vapours of 150 DEG C that are introduced by high temperature source of the gas enters in the first effect heating clamber 1a by raw steam admission pipeline 9, carry out heating to the solution in the first effect heating clamber 1a to concentrate, the secondary vapour be evaporated from the first effect heating clamber 1a enters the second effect heating clamber 1b through the first effect vapor-liquid separation chamber 2a, by that analogy, the secondary vapour be evaporated from the 6th effect heating clamber 1f enters the 7th effect heating clamber 1g through the 6th effect vapor-liquid separation chamber 2f, the secondary vapour (temperature can be down to 50 DEG C) be evaporated from the 7th effect heating clamber 1g enters water cooler 10 through the 7th effect vapor-liquid separation chamber 2g and cools.
See Fig. 1 and Fig. 3, enter the second effect vapor-liquid separation chamber 2b from first order flash vessel 3a secondary vapour out, enter triple effect vapor-liquid separation chamber 2c from second level flash vessel 3b secondary vapour out, enter quadruple effect vapor-liquid separation chamber 2d from third level flash vessel 3c secondary vapour out, enter the 5th effect vapor-liquid separation chamber 2e from fourth stage flash vessel 3d secondary vapour out, enter the 6th effect vapor-liquid separation chamber 2f from level V flash vessel 3e secondary vapour out.
Claims (3)
1. concentrating sodium aluminate solution seven effect stage evaporation device groups, comprise the evaporator bank be made up of heating clamber and vapor-liquid separation chamber, described heating clamber and vapor-liquid separation chamber are split-type structural, and seven groups of evaporator bank connect successively and constitute solution and concentrate loop and steam circuit; It is characterized in that:
Described solution concentrates loop and is made up of the be set up in parallel first concentrated branch road and the second concentrated branch road;
First concentrated route first imitates heating clamber (1a), the second effect heating clamber (1b), triple effect heating clamber (1c), first order flash vessel (3a), second level flash vessel (3b), third level flash vessel (3c), fourth stage flash vessel (3d), level V flash vessel (3e) UNICOM's formation successively, stoste feeding pipe (4) is connected with the underfeed mouth of triple effect heating clamber (1c), and finished product reclaim line (5) is connected with the bottom discharge mouth of level V flash vessel (3e);
Second concentrated route quadruple effect heating clamber (1d), the 5th effect heating clamber (1e), the 6th effect heating clamber (1f), the 7th effect heating clamber (1g), fourth stage flash vessel (3d), level V flash vessel (3e) UNICOM connect, the underfeed mouth that stoste feeding pipe (4) and the 7th imitates heating clamber (1g) is connected, and finished product reclaim line (5) is connected with the bottom discharge mouth of level V flash vessel (3e); Circulation material loading pipeline (6) is provided with between the underfeed mouth and top feeding port of quadruple effect heating clamber (1d), the 5th effect heating clamber (1e), the 6th effect heating clamber (1f), the 7th effect heating clamber (1g);
Steam circuit comprises the condensation of raw steam and the recovery of condensed water thereof, the condensation of indirect steam and the recovery of condensed water thereof: the air intake that steam admission pipeline (9) and first of delivering a child outward imitates heating clamber (1a) is connected, the indirect steam outlet vapor-liquid separation chamber corresponding with it of the first to the 7th effect heating clamber is connected, that is: the indirect steam outlet of the first effect heating clamber (1a) is imitated vapor-liquid separation chamber (2a) be connected with first, the indirect steam outlet and second of the second effect heating clamber (1b) is imitated vapor-liquid separation chamber (2b) and is connected, the like imitate vapor-liquid separation chamber (2g) to the indirect steam outlet the corresponding with it the 7th of the 7th effect heating clamber (1g) and be connected,
The air intake of next effect heating clamber is connected with it respectively on the indirect steam steam outlet pipe road of the first to the 6th effect vapor-liquid separation chamber, that is: the air intake that heating clamber (1b) is imitated on the indirect steam steam outlet pipe road and second of the first effect vapor-liquid separation chamber (2a) is connected, 7th effect heating clamber (1g) of indirect steam steam outlet pipe Lu Yu triple effect heating clamber (1c) of the second effect vapor-liquid separation chamber (2b), the like imitate heating clamber (1g) to the indirect steam steam outlet pipe Lu Yu seven of the 6th effect vapor-liquid separation chamber (2f) air intake be connected;
The first to level V flash vessel indirect steam steam outlet pipe road is imitated vapor-liquid separation chamber with second to the 6th respectively and is connected, that is: the indirect steam steam outlet pipe road and second of first order flash vessel (3a) is imitated vapor-liquid separation chamber (2b) and is connected, indirect steam steam outlet pipe Lu Yu triple effect vapor-liquid separation chamber (2c) of second level flash vessel (3b) is connected, indirect steam steam outlet pipe Lu Yu quadruple effect vapor-liquid separation chamber (2d) of third level flash vessel (3c) is connected, the indirect steam steam outlet pipe Lu Yu five of fourth stage flash vessel (3d) is imitated vapor-liquid separation chamber (2e) and is connected, the indirect steam steam outlet pipe Lu Yu six of level V flash vessel (3e) is imitated vapor-liquid separation chamber (2f) and is connected, the steam outlet pipe road of the 7th effect vapor-liquid separation chamber (2g) is connected with water cooler (10) and vavuum pump (11),
A condensed water of the first effect heating clamber (1a) is collected by a condensate water pot and a condensate pump (12); Be collected through time condensation water pot and time condensation water pump (13) after the time condensation hydration also that second effect heating clamber (1b), triple effect heating clamber (1c), quadruple effect heating clamber (1d), the 5th effect heating clamber (1e), the 6th effect heating clamber (1f) and the 7th effect heating clamber (1g) are drawn.
2. concentrating sodium aluminate solution according to claim 1 seven effect stage evaporation device groups, is characterized in that: on circulation material loading pipeline (6), be provided with circulating pump (7).
3. concentrating sodium aluminate solution according to claim 1 seven effect stage evaporation device groups, is characterized in that: the mass transport pipeline between adjacent two heating clambers is provided with punishment in advance pump.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108187352A (en) * | 2018-01-22 | 2018-06-22 | 河南省九冶化工设备有限公司 | A kind of sodium aluminate solution mixing concentration systems |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108187352A (en) * | 2018-01-22 | 2018-06-22 | 河南省九冶化工设备有限公司 | A kind of sodium aluminate solution mixing concentration systems |
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