CN216855693U - Triple-effect evaporation concentration equipment - Google Patents
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- CN216855693U CN216855693U CN202220145877.XU CN202220145877U CN216855693U CN 216855693 U CN216855693 U CN 216855693U CN 202220145877 U CN202220145877 U CN 202220145877U CN 216855693 U CN216855693 U CN 216855693U
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- 238000001704 evaporation Methods 0.000 title claims abstract description 34
- 230000008020 evaporation Effects 0.000 title claims abstract description 34
- 239000000463 material Substances 0.000 claims abstract description 95
- 239000007788 liquid Substances 0.000 claims abstract description 69
- 238000000926 separation method Methods 0.000 claims abstract description 52
- 230000000694 effects Effects 0.000 claims abstract description 49
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 230000009291 secondary effect Effects 0.000 claims description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 238000007599 discharging Methods 0.000 claims description 21
- 230000009290 primary effect Effects 0.000 claims description 18
- 238000001816 cooling Methods 0.000 claims description 10
- 239000000110 cooling liquid Substances 0.000 claims description 4
- 239000002904 solvent Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000002311 subsequent effect Effects 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
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Abstract
The application discloses triple-effect evaporation concentration equipment, which relates to the field of liquid solvent concentration equipment and comprises a feeding main pipe, wherein a material conveying device for conveying materials is arranged on the feeding main pipe; the feeding main pipe is arranged between the material conveying device and the first-effect separation device and is also provided with a preheating device for heating materials. The application has the effect of improving the heating efficiency of the triple-effect evaporator.
Description
Technical Field
The application relates to the field of liquid solvent concentration equipment, in particular to triple-effect evaporation concentration equipment.
Background
The unit operation that boils a solution containing a non-volatile solute to vaporize and remove the vapor, thereby increasing the concentration of the solute in the solution, is called evaporation and the equipment used is called an evaporator.
At present, when the aqueous solution is evaporated and concentrated, a triple-effect evaporation process is mostly adopted. The triple effect evaporation is an evaporation operation in which three evaporators are connected in series to run, so that the heat energy of steam is utilized for multiple times, and the utilization rate of the heat energy is improved. In the triple-effect evaporation process, the first-effect evaporator takes the raw steam as heating steam, and each subsequent-effect evaporator takes the secondary steam generated by the first-effect evaporator as the heating steam, so that the consumption of the raw steam can be greatly reduced.
In view of the above related technologies, the inventor believes that, in the existing triple-effect evaporation equipment, materials are mostly directly input into a single-effect evaporator, and the heating is directly carried out in the single-effect evaporator, which has the defect of low heating efficiency.
SUMMERY OF THE UTILITY MODEL
In order to improve the heating efficiency of triple effect evaporimeter, this application provides a triple effect evaporation concentration equipment.
The application provides a triple effect evaporation concentration equipment adopts following technical scheme:
a triple-effect evaporation concentration device comprises a feeding main pipe, wherein a feeding device for conveying materials is arranged on the feeding main pipe, one end of the feeding main pipe, which is far away from the feeding device, is provided with a primary-effect separation device, a secondary-effect separation device and a triple-effect separation device in series, and the triple-effect separation device is communicated with a discharging main pipe; the feeding main pipe is positioned between the material conveying device and the first effect separation device and is also provided with a preheating device for heating materials.
Through adopting above-mentioned technical scheme, when carrying out evaporative concentration to the material, start feeding device, pass through the main input preheating device of feeding with the material, the material is preheated the back in preheating device, lets in one effect evaporimeter, two effect evaporimeters and three effect evaporimeters in proper order and carries out evaporative concentration to discharge from the main ejection of compact pipe, thereby realize the triple effect evaporative concentration technology of material. The materials enter the first-effect evaporator after being preheated by the preheating device, so that the temperature rise time of the materials in the first-effect evaporator is greatly reduced, and the heating rate of the third-effect evaporator is improved.
Optionally, the first-effect separation device comprises a first-effect evaporator and a first-effect separator, the first-effect evaporator is communicated with the first-effect separator, the feeding header pipe is communicated with the first-effect evaporator after passing through the preheating device, a first-effect air inlet pipe communicated with an external steam output device is arranged on the first-effect evaporator, a first-effect liquid outlet pipe for flowing out condensate is further arranged on the first-effect evaporator, and a first-effect air outlet pipe for outputting steam and a first-effect discharge pipe for flowing out materials are arranged on the first-effect separator;
the secondary-effect separation device comprises a secondary-effect evaporator and a secondary-effect separator, the secondary-effect evaporator is communicated with the secondary-effect separator, the primary-effect discharge pipe is communicated with the secondary-effect evaporator through a first conveying device, a secondary-effect air inlet pipe communicated with the primary-effect air outlet pipe is arranged on the secondary-effect evaporator, a secondary-effect liquid outlet pipe used for discharging condensate is further arranged on the secondary-effect evaporator, and a secondary-effect air outlet pipe used for outputting steam and a secondary-effect discharge pipe used for discharging materials are arranged on the secondary-effect separator;
the three-effect separation device comprises a three-effect evaporator and a three-effect separator, the three-effect evaporator is communicated with the three-effect separator, the two-effect discharge pipe is communicated with the three-effect evaporator through a second conveying device, a three-effect air inlet pipe communicated with the two-effect air outlet pipe is arranged on the three-effect evaporator, a three-effect liquid outlet pipe used for discharging condensate is further arranged on the three-effect evaporator, and a three-effect air outlet pipe used for outputting steam and a three-effect discharge pipe used for discharging materials are arranged on the three-effect separator;
the triple-effect discharge pipe is communicated with the discharge main pipe through a third conveying device, and the triple-effect liquid outlet pipe is communicated with the triple-effect gas outlet pipe.
By adopting the technical scheme, the material exchanges heat with external steam in the first-effect evaporator, condensate after heat exchange is discharged through the first-effect liquid outlet pipe, the material enters the first-effect separator, and is liquefied in the first-effect separator and then discharged into the second-effect evaporator through the first-effect discharge pipe. In the double-effect evaporator, the materials exchange heat with the steam in the first-effect separator again, condensate after heat exchange is discharged through the double-effect liquid outlet pipe, the materials are further discharged to the double-effect separator, and the materials are liquefied in the double-effect separator and then discharged to the triple-effect evaporator through the double-effect liquid outlet pipe. In the triple-effect evaporator, the materials exchange heat with the steam in the double-effect separator again, condensate after heat exchange is finished is discharged into a triple-effect air outlet pipe of the triple-effect separator through a triple-effect liquid outlet pipe and is discharged, and the materials are evaporated for three times to form concentrated materials and are discharged.
Optionally, the preheating device comprises a first-stage heat exchanger, a second-stage heat exchanger and a third-stage heat exchanger which are arranged in series, the second-stage liquid outlet pipe is communicated with the first-stage heat exchanger through a fourth conveying device, the first-stage liquid outlet pipe is communicated with the second-stage heat exchanger through a fifth conveying device, and the third-stage heat exchanger is communicated with an external steam conveying device.
By adopting the technical scheme, the condensate of the secondary evaporator is introduced into the primary heat exchanger to preliminarily heat the material, the condensate of the secondary evaporator is introduced into the secondary heat exchanger to be heated again, and finally the material is finally preheated in the tertiary heat exchanger by using external steam, so that the heating efficiency is improved, the heat of the condensate is secondarily utilized, and the energy conservation and emission reduction are realized.
Optionally, the system further comprises a machine cooling device, and the machine cooling device is communicated with the first conveying device, the second conveying device, the third conveying device, the fourth conveying device and the fifth conveying device.
By adopting the technical scheme, the temperature of the materials or the condensed water is higher when the materials or the condensed water passes through the first conveying device, the second conveying device, the third conveying device, the fourth conveying device and the fifth conveying device, the sealing of the rotating joints of the conveying devices is not facilitated, the cooling device is used for cooling the conveying devices, and the sealing performance of the conveying devices is kept.
Optionally, a first gas-liquid separation device is connected in series to the first-effect liquid outlet pipe, a first gas outlet pipe is arranged on the first gas-liquid separation device, and the first gas outlet pipe is communicated with the first-effect gas outlet pipe;
and a second gas-liquid separation device is serially connected to the secondary effect liquid outlet pipe, a second gas outlet pipe is arranged on the second gas-liquid separation device, and the second gas outlet pipe is communicated with the secondary effect gas outlet pipe.
Through adopting above-mentioned technical scheme, carry out steam-water separation to the discharged condensate in first effect separator and the second effect separator, be favorable to carrying out make full use of to the heat of condensate, further improve energy utilization.
Optionally, one end of the triple-effect air outlet pipe, which is far away from the triple-effect separator, is communicated with a condensing device communicated with external cooling liquid output equipment, and the condensing device is provided with an air outlet for allowing uncondensed gas to flow out and a liquid outlet for allowing condensed liquid to flow out.
Through adopting above-mentioned technical scheme, condensing equipment carries out final gas-water separator to the steam of discharge in the triple effect outlet duct to be convenient for follow-up handling separation gas and separation liquid.
Optionally, a balancing device is arranged at one end of the feeding main pipe, which is far away from the preheating device, the material conveying device is located between the balancing device and the preheating device, and the discharging main pipe is communicated with the balancing device through a reversing valve.
By adopting the technical scheme, the balancing device can lead the material to carry out multi-cycle triple-effect evaporation concentration, thereby leading the equipment to be suitable for concentration processes with various concentrations.
Optionally, the emergency pipeline is connected with an external water delivery device and is respectively communicated with the first-effect evaporator, the second-effect evaporator and the third-effect evaporator.
Through adopting above-mentioned technical scheme, under the emergency, if vaporization system breaks down, use the emergency pipeline to go into tower water, use tower water to wash to discharge the material fast.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the materials are evaporated and concentrated, the material conveying device is started, the materials are input into the preheating device through the feeding main pipe, after the materials are preheated in the preheating device, the materials are sequentially introduced into the first-effect evaporator, the second-effect evaporator and the third-effect evaporator to be evaporated and concentrated, and the materials are discharged from the discharging main pipe, so that the three-effect evaporation and concentration process of the materials is realized. The materials enter the first-effect evaporator after being preheated by the preheating device, so that the temperature rise time of the materials in the first-effect evaporator is greatly reduced, and the heating rate of the third-effect evaporator is increased;
2. the condensate of the second-effect evaporator is introduced into the first-stage heat exchanger to primarily heat the material, the condensate of the next evaporator is introduced into the second-stage heat exchanger to be heated again, and finally the material is preheated in the third-stage heat exchanger by using external steam, so that the heating efficiency is improved, the heat of the condensate is secondarily utilized, and energy conservation and emission reduction are realized;
3. the condensate discharged from the first-effect separator and the second-effect separator is subjected to steam-water separation, so that the heat of the condensate is fully utilized, and the energy utilization rate is further improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of a triple effect evaporative concentration apparatus of the present application;
reference numerals: 1. a feed header; 2. a balancing device; 3. a feeding device; 4. a preheating device; 41. a primary heat exchanger; 42. a secondary heat exchanger; 43. a tertiary heat exchanger; 5. a first effect separation device; 51. a first-effect evaporator; 52. a first effect separator; 6. a two-effect separation device; 61. a second effect evaporator; 62. a two-effect separator; 7. a triple effect separation device; 71. a triple effect evaporator; 72. a three-effect separator; 8. a main discharge pipe; 9. a first effect air inlet pipe; 10. a liquid outlet pipe; 11. a first effective air outlet pipe; 12. a first effect discharge pipe; 13. a two-effect air inlet pipe; 14. a secondary liquid outlet pipe; 15. a double-effect air outlet pipe; 16. a double-effect discharge pipe; 17. a three-effect air inlet pipe; 18. a triple-effect liquid outlet pipe; 19. a triple-effect air outlet pipe; 20. a triple-effect discharge pipe; 21. a first conveying device; 22. a second conveying device; 23. a third conveying device; 24. a fourth conveying device; 25. a fifth conveying device; 26. a machine cooling device; 27. a first gas-liquid separation device; 28. a first air outlet pipe; 29. a second gas-liquid separation device; 30. a second air outlet pipe; 31. a condensing unit; 32. an air outlet; 33. a liquid outlet; 34. a diverter valve; 35. an emergency pipeline.
Detailed Description
The present application is described in further detail below with reference to fig. 1.
The embodiment of the application discloses triple effect evaporation concentration equipment.
Referring to fig. 1, a triple effect evaporation concentration equipment, including feeding house steward 1, feeding house steward 1 is linked together with external raw materials conveyor, is provided with balancing unit 2 on the feeding house steward 1, and balancing unit 2 chooses for use to be the material balance bucket, and the material house steward is provided with feeding device 3 behind balancing unit 2, and feeding device 3 sets up to the material pump.
The feeding main pipe 1 is located at the lower part of the material conveying device 3 and is provided with a preheating device 4, the feeding main pipe 1 is provided with a first-effect separating device 5, a second-effect separating device 6 and a third-effect separating device 7 in series after passing through the preheating device 4, and the third-effect separating device 7 is communicated with a discharge main pipe 8. The material is preheated in preheating device 4 by preliminary heating up, and the material flows into one-effect separation device 5, two-effect separation device 6 and three-effect separation device 7 through feeding main pipe 1 after preheating is completed, carries out three-effect separation operation, and the concentrated material after completion of separation is discharged through discharging main pipe 8.
The one-effect separation device 5 comprises a one-effect evaporator 51 and a one-effect separator 52, the one-effect evaporator 51 is positioned at the upstream position of the one-effect separator 52 and is communicated with the one-effect separator 52, and the feeding header pipe 1 is communicated with the one-effect evaporator 51 after passing through the preheating device 4. The first-effect evaporator 51 is also provided with a first-effect air inlet pipe 9 communicated with an external steam output device, and the bottom of the first-effect evaporator 51 is provided with a first-effect liquid outlet pipe 10 for discharging condensate. After preheating, the materials flow into the one-effect evaporator 51, are heated by external steam heat exchange in the one-effect evaporator 51 to perform one-effect evaporation, and condensate after the external steam heat exchange flows out through the one-effect liquid outlet pipe 10. The water vapor of the material after the first effect evaporation flows into a first effect separator 52 together with the material. An effective gas outlet pipe 11 is arranged above the effective separator 52, and an effective discharge pipe 12 is arranged below the effective separator. After the water vapor and the materials after the first-effect evaporation are separated in the first-effect separator 52, the water vapor is discharged from the first-effect gas outlet pipe 11 at the top of the first-effect separator 52, and the materials are discharged from the first-effect material outlet pipe 12 at the bottom of the first-effect separator 52, so that the first-effect concentration operation of the materials is completed.
The two-effect separation device 6 comprises a two-effect evaporator 61 and a two-effect separator 62, the two-effect evaporator 61 is positioned at the upstream position of the two-effect separator 62 and is communicated with the two-effect separator 62, and the one-effect discharge pipe 12 is communicated with the two-effect evaporator 61 after passing through the first conveying device 21. The second-effect evaporator 61 is also provided with a second-effect air inlet pipe 13 communicated with the first-effect air outlet pipe 11, and the bottom of the second-effect evaporator 61 is provided with a second-effect liquid outlet pipe 14 for discharging condensate. The material flows into the second-effect evaporator 61 after the first-effect concentration, the temperature of the material is raised by the heat exchange of the water vapor separated by the first-effect separator 52 in the second-effect evaporator 61, the second-effect evaporation is carried out, and the condensate after the heat exchange of the water vapor separated by the first-effect separator 52 flows out through the second-effect liquid outlet pipe 14. The steam and the material after the material is evaporated in the double effect flow into the double effect separator 62. The upper part of the double-effect separator 62 is provided with a double-effect air outlet pipe 15, and the lower part is provided with a double-effect discharge pipe 16. After the water vapor and the materials after the two-effect evaporation are separated in the two-effect separator 62, the water vapor is discharged from the two-effect air outlet pipe 15 at the top of the two-effect separator 62, and the materials are discharged from the two-effect discharge pipe 16 at the bottom of the two-effect separator 62, so that the two-effect concentration operation of the materials is completed.
The three-effect separation device 7 comprises a three-effect evaporator 71 and a three-effect separator 72, the three-effect evaporator 71 is positioned at the upstream position of the three-effect separator 72 and is communicated with the three-effect separator 72, and the two-effect discharge pipe 16 is communicated with the three-effect evaporator 71 after passing through the second conveying device 22. The triple-effect evaporator 71 is also provided with a triple-effect air inlet pipe 17 communicated with the double-effect air outlet pipe 15, and the bottom of the triple-effect evaporator 71 is provided with a triple-effect liquid outlet pipe 18 for discharging condensate. The material flows into the triple-effect evaporator 71 after the double-effect concentration, the temperature of the material is raised by the heat exchange of the water vapor separated by the double-effect separator 62 in the triple-effect evaporator 71 for triple-effect evaporation, and the condensate after the heat exchange of the water vapor separated by the double-effect separator 62 flows out through the triple-effect liquid outlet pipe 18. The water vapor of the material after triple effect evaporation and the material flow into the triple effect separator 72. A triple-effect gas outlet pipe 19 is arranged above the triple-effect separator 72, and a triple-effect discharge pipe 20 is arranged below the triple-effect separator. After the water vapor and the materials after the triple effect evaporation are separated in the triple effect separator 72, the water vapor is discharged from the triple effect gas outlet pipe 19 at the top of the triple effect separator 72, and the materials are discharged from the triple effect discharge pipe 20 at the bottom of the triple effect separator 72, so that the triple effect concentration operation of the materials is completed.
The triple-effect discharge pipe 20 is communicated with the discharge main pipe 8 through a third conveying device 23, and materials are discharged from the discharge main pipe 8 to finish triple-effect concentration operation. The triple-effect liquid outlet pipe 18 is communicated with the triple-effect gas outlet pipe 19, and condensate after triple-effect evaporation and water vapor after triple-effect separation are simultaneously discharged from the triple-effect gas outlet pipe 19.
The preheating device 4 comprises a first-stage heat exchanger 41, a second-stage heat exchanger 42 and a third-stage heat exchanger 43 which are connected in series on the feeding header pipe 1, and in the embodiment, the first-stage heat exchanger 41, the second-stage heat exchanger 42 and the third-stage heat exchanger 43 are all arranged as plate heat exchangers. The secondary liquid outlet pipe 14 is communicated with the primary heat exchanger 41 through the fourth conveying device 24, so that condensate flowing out of the secondary liquid outlet pipe 14 can perform primary preheating on the material in the feeding header pipe 1. The first effect liquid outlet pipe 10 is communicated with the second-stage heat exchanger 42 through the fifth conveying device 25, so that condensate flowing out of the first effect liquid outlet pipe 10 can carry out second-stage preheating on the materials in the feeding main pipe 1. The tertiary heat exchanger 43 is directly communicated with an external high-temperature steam output device to finish tertiary preheating of the materials in the feeding main pipe 1.
The first conveying device 21, the second conveying device 22, the third conveying device 23, the fourth conveying device 24 and the fifth conveying device 25 are all double-seal centrifugal pumps. Because the five conveying devices convey the heat medium, the triple-effect evaporation concentration equipment further comprises a machine cooling device 26, wherein the machine cooling device 26 is arranged as a liquid conveying pipeline communicated with an external cooling liquid phase, is communicated with the first conveying device 21, the second conveying device 22, the third conveying device 23, the fourth conveying device 24 and the fifth conveying device 25, and is used for cooling the rotating positions of the conveying devices so as to keep the sealing performance of the conveying devices.
In addition, a first gas-liquid separation device 27 is arranged on the first liquid outlet pipe in series, a first gas outlet pipe 28 is arranged at the top of the first gas-liquid separation device 27, and the first gas outlet pipe 28 is communicated with the first effect gas outlet pipe 11. After the condensate flowing out of the first-effect evaporator 51 flows into the first gas-liquid separation device 27, gas-liquid separation is carried out, gas is introduced into the first-effect gas outlet pipe 11 and used for subsequent second-effect evaporation, and liquid flows into the second-stage heat exchanger 42 along the first liquid outlet pipe to carry out second-stage preheating on materials, so that the utilization rate of heat of the condensate is improved. Similarly, a second gas-liquid separation device 29 is arranged on the second liquid outlet pipe in series, a second gas outlet pipe 30 is arranged at the top of the second gas-liquid separation device 29, and the second gas outlet pipe 30 is communicated with the secondary effect gas outlet pipe 15. After the condensate flowing out of the second-effect evaporator 61 flows into the second gas-liquid separation device 29, gas-liquid separation is carried out, gas is introduced into the second-effect gas outlet pipe 15 and used for subsequent three-effect evaporation, and liquid flows into the first-stage heat exchanger 41 along the second liquid outlet pipe to carry out first-stage preheating on materials, so that the utilization rate of the heat of the condensate is further improved.
The end of the triple-effect air outlet pipe 19 far away from the triple-effect separator 72 is communicated with a condensing device 31, and the condensing device 31 is selected as a plate condenser in the embodiment and is communicated with external cooling liquid output equipment. The condensing unit 31 is provided with a gas outlet 32 for discharging uncondensed gas and a liquid outlet 33 for discharging condensate. The gas-liquid mixture that flows out in triple effect gas outlet 32 carries out final gas-liquid separation in condensing equipment 31, discharges respectively in gas outlet 32 and the liquid outlet 33 to subsequent recovery processing is convenient for.
One end of the discharge main pipe 8, which is far away from the three-effect separator 72, is communicated with the balancing device 2, a reversing valve 34 is arranged at the communication position, and the flow direction of the materials in the discharge main pipe 8 is switched through the reversing valve 34, so that the concentrated materials are discharged or returned to the balancing device 2 for secondary concentration.
The triple-effect evaporation and concentration equipment further comprises an emergency pipeline 35, wherein the emergency pipeline 35 is communicated with an external water delivery device and is respectively communicated with the first-effect evaporator 51, the second-effect evaporator 61 and the triple-effect evaporator 71. In emergency, if the evaporation system breaks down, the emergency pipeline 35 is used to introduce the tower water, and the tower water is used for flushing, so that the materials are quickly discharged.
The implementation principle of a triple effect concentrator of the embodiment of the application is as follows: when evaporation concentration is carried out on materials, the materials are introduced into the balancing device 2, the material conveying device 3 is started, the materials are input into the preheating device 4 through the feeding main pipe 1, the materials are preheated in the preheating device 4, and then sequentially introduced into the first-effect evaporator 51, the second-effect evaporator 61 and the third-effect evaporator 71 to be evaporated and concentrated, and are discharged from the discharging main pipe 8, so that the three-effect evaporation concentration process of the materials is realized. The materials enter the first-effect evaporator 51 after being preheated by the preheating device 4, so that the temperature rise time of the materials in the first-effect evaporator 51 is greatly reduced, and the heating rate of the third-effect evaporator 71 is increased.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (7)
1. A triple effect evaporation concentration equipment which is characterized in that: the device comprises a feeding main pipe (1), wherein a material conveying device (3) for conveying materials is arranged on the feeding main pipe (1), one end, far away from the material conveying device (3), of the feeding main pipe (1) is provided with a first-effect separation device (5), a second-effect separation device (6) and a third-effect separation device (7) in series, and the third-effect separation device (7) is communicated with a discharging main pipe (8); a preheating device (4) for heating materials is also arranged between the feeding device (3) and the first-effect separation device (5) of the feeding main pipe (1);
the device is characterized in that a balancing device (2) is arranged at one end, far away from the preheating device (4), of the feeding main pipe (1), the feeding device (3) is located between the balancing device (2) and the preheating device (4), and the discharging main pipe (8) is communicated with the balancing device (2) through a reversing valve (34).
2. A triple effect evaporative concentration apparatus as defined in claim 1 wherein: the primary-effect separation device (5) comprises a primary-effect evaporator (51) and a primary-effect separator (52), the primary-effect evaporator (51) is communicated with the primary-effect separator (52), the feeding header pipe (1) is communicated with the primary-effect evaporator (51) after passing through the preheating device (4), a primary-effect air inlet pipe (9) communicated with an external steam output device is arranged on the primary-effect evaporator (51), a primary-effect liquid outlet pipe (10) for flowing out condensate is further arranged on the primary-effect evaporator (51), and a primary-effect air outlet pipe (11) for outputting steam and a primary-effect discharging pipe (12) for flowing out materials are arranged on the primary-effect separator (52);
the secondary-effect separation device (6) comprises a secondary-effect evaporator (61) and a secondary-effect separator (62), the secondary-effect evaporator (61) is communicated with the secondary-effect separator (62), the primary-effect discharge pipe (12) is communicated with the secondary-effect evaporator (61) through a first conveying device (21), a secondary-effect air inlet pipe (13) communicated with the primary-effect air outlet pipe (11) is arranged on the secondary-effect evaporator (61), a secondary-effect liquid outlet pipe (14) used for discharging condensate is further arranged on the secondary-effect evaporator (61), and a secondary-effect air outlet pipe (15) used for outputting steam and a secondary-effect discharge pipe (16) used for discharging materials are arranged on the secondary-effect separator (62);
the three-effect separation device (7) comprises a three-effect evaporator (71) and a three-effect separator (72), the three-effect evaporator (71) is communicated with the three-effect separator (72), the secondary-effect discharge pipe (16) is communicated with the three-effect evaporator (71) through a second conveying device (22), a three-effect air inlet pipe (17) communicated with the secondary-effect air outlet pipe (15) is arranged on the three-effect evaporator (71), a three-effect liquid outlet pipe (18) used for discharging condensate is further arranged on the three-effect evaporator (71), and a three-effect air outlet pipe (19) used for outputting steam and a three-effect discharge pipe (20) used for discharging materials are arranged on the three-effect separator (72);
the triple-effect discharge pipe (20) is communicated with the discharge main pipe (8) through a third conveying device (23), and the triple-effect discharge pipe (18) is communicated with the triple-effect gas outlet pipe (19).
3. A triple effect evaporative concentration apparatus as set forth in claim 2 wherein: the preheating device (4) comprises a first-stage heat exchanger (41), a second-stage heat exchanger (42) and a third-stage heat exchanger (43) which are arranged in series, the second-effect liquid outlet pipe (14) is communicated with the first-stage heat exchanger (41) through a fourth conveying device (24), the first-effect liquid outlet pipe (10) is communicated with the second-stage heat exchanger (42) through a fifth conveying device (25), and the third-stage heat exchanger (43) is communicated with an external steam conveying device.
4. A triple effect evaporative concentration apparatus as set forth in claim 3 wherein: the device is characterized by further comprising a cooling device (26), wherein the cooling device (26) is communicated with the first conveying device (21), the second conveying device (22), the third conveying device (23), the fourth conveying device (24) and the fifth conveying device (25).
5. A triple effect evaporative concentration apparatus as set forth in claim 3 wherein: a first gas-liquid separation device (27) is arranged on the first-effect liquid outlet pipe (10) in series, a first gas outlet pipe (28) is arranged on the first gas-liquid separation device (27), and the first gas outlet pipe (28) is communicated with the first-effect gas outlet pipe (11);
and a second gas-liquid separation device (29) is arranged on the secondary effect liquid outlet pipe (14) in series, a second gas outlet pipe (30) is arranged on the second gas-liquid separation device (29), and the second gas outlet pipe (30) is communicated with the secondary effect gas outlet pipe (15).
6. A triple effect evaporative concentration apparatus as defined in claim 2 wherein: and one end of the triple-effect gas outlet pipe (19) far away from the triple-effect separator (72) is communicated with a condensing device (31) communicated with external cooling liquid output equipment, and the condensing device (31) is provided with a gas outlet (32) for outflow of uncondensed gas and a liquid outlet (33) for outflow of condensate.
7. A triple effect evaporative concentration apparatus as set forth in claim 2 wherein: the emergency pipeline (35) is connected with an external water delivery device, and the emergency pipeline (35) is respectively communicated with the first-effect evaporator (51), the second-effect evaporator (61) and the third-effect evaporator (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220145877.XU CN216855693U (en) | 2022-01-19 | 2022-01-19 | Triple-effect evaporation concentration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220145877.XU CN216855693U (en) | 2022-01-19 | 2022-01-19 | Triple-effect evaporation concentration equipment |
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| Publication Number | Publication Date |
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| CN216855693U true CN216855693U (en) | 2022-07-01 |
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| CN202220145877.XU Expired - Fee Related CN216855693U (en) | 2022-01-19 | 2022-01-19 | Triple-effect evaporation concentration equipment |
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| CN (1) | CN216855693U (en) |
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- 2022-01-19 CN CN202220145877.XU patent/CN216855693U/en not_active Expired - Fee Related
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Granted publication date: 20220701 |