Energy-saving vertical hot-pressing distilled water machine

Abstract

The utility model discloses an energy-saving vertical hot-pressing distilled water machine which comprises an evaporator, a steam residual water preheater, a condensed water preheater, an injection water buffer tank, an injection water pump, an injection water preheater, a non-condensable gas preheater, a steam preheater and a secondary steam-water separation tank, the position, corresponding to the steam-water separation chamber, of the evaporator is connected with an air inlet of the secondary steam-water separation tank through a pure steam pipeline, an air outlet of the secondary steam-water separation tank is connected with the position, corresponding to the evaporation chamber, of the evaporator through the compressor, and the secondary steam-water separation tank is further provided with a condensate water discharge outlet. The utility model better accords with the requirements of the GMP (Good Manufacturing Practice), so that the quality of injection water is more reliable.

Description

Technical Field

[0001] The utility model relates to the technical field of distillation equipment, in particular to an energy-saving vertical hot-pressing distilled water machine. Background Art

[0002] With the development of modern science and technology, pharmaceutical factories, hospitals and scientific research institutions have continuously improved their requirements for the production of water for injection, which requires production equipment companies to provide high-efficiency and high-quality equipment to ensure the quality of water for injection. At the same time, the equipment produced can achieve goals such as energy saving and long service life. However, the most commonly used equipment on the market is the multi-effect distilled water machine, which has a small water output, high energy consumption, short equipment life, large floor space, unstable water quality, high requirements for raw water quality, and affects production efficiency. Although the horizontal falling film evaporation hot pressure distilled water machine overcomes many defects of the multi-effect distilled water machine, it occupies a large area, and it is difficult to upgrade and replace small-sized multi-effect distilled water machines. Utility Model Content

[0003] The utility model aims to provide an energy-saving vertical hot-pressed distilled water machine, which better meets the requirements of Good Manufacturing Practice (GMP) for pharmaceutical production and makes the quality of injection water more reliable.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an energy-saving vertical hot-pressed distilled water machine, comprising an evaporator, a steam surplus water preheater, a condensate water preheater, an injection water buffer tank, an injection water pump, an injection water preheater, a non-condensable gas preheater, a steam preheater and a secondary steam-water separation tank, the steam surplus water preheater is provided with a raw water inlet, the water outlet of the steam surplus water preheater is connected to the water inlet of the condensate water preheater, the steam surplus water preheater and the condensate water preheater are respectively provided with a steam surplus water discharge port and a condensate water discharge port, the water outlet of the condensate water preheater is respectively connected to the water inlet of the injection water preheater and the water inlet of the steam preheater, the water outlet of the steam preheater is connected to the water inlet of the non-condensable gas preheater, the non-condensable gas preheater is provided with a first non-condensable gas discharge port, the water outlet of the non-condensable gas preheater is connected to the water inlet at the bottom of the evaporator, and the interior of the evaporator From top to bottom, a steam-water separation chamber, an evaporation chamber and a supplementary heating chamber are provided in sequence. The industrial steam is connected to the air inlet of the steam preheater and the air inlet of the evaporator respectively through a steam pipeline. The condensate outlet of the steam preheater and the condensate outlet of the evaporator are connected to the condensate inlet of the condensate preheater through a condensate pipeline. The water outlet of the non-condensable gas preheater is connected to the water inlet of the injection water buffer tank. The air outlet of the injection water buffer tank is connected to the air inlet of the non-condensable gas preheater. The injection water in the injection water buffer tank is transported to the injection water preheater through an injection water pump, and a water outlet is provided on the injection water preheater. The position of the evaporator corresponding to the steam-water separation chamber is connected to the air inlet of the secondary steam-water separation tank through a pure steam pipeline, and the air outlet of the secondary steam-water separation tank is connected to the position of the evaporator corresponding to the evaporation chamber through a compressor. The secondary steam-water separation tank is also provided with a condensate discharge port.

[0005] By adopting the above technical solution, a secondary steam-water separation tank is added, and the secondary steam-water separation tank, the compressor and the evaporator are connected through a pure steam pipeline. Since there is a separation device in the secondary steam-water separation tank, the unseparated steam and water are further separated, thereby reducing the conductivity of the injection water and making the injection water quality more reliable.

[0006] The utility model is further configured such that the evaporator is connected to an injection water buffer tank via an injection water pipeline at a position corresponding to the bottom of the evaporation chamber, and the inner diameter of the injection water pipeline is flush with the upper surface of the lower tube plate of the evaporation chamber.

[0007] By adopting the above technical solution, the pure steam condensate (injection water) at the bottom of the evaporation chamber is discharged, and the inner diameter of the injection water pipeline is flush with the upper surface of the lower tube plate of the evaporation chamber. This not only can completely drain the water without dead water, but also ensure the quality of injection water and make full use of the heat exchange area of ​​the evaporation chamber.

[0008] The utility model is further configured such that the evaporator is connected to the air inlet of the non-condensable gas preheater via a non-condensable gas pipeline at the position corresponding to the upper part and the middle part of the evaporation chamber.

[0009] By adopting the above technical solution, the non-condensable gas discharge function is added to the upper and middle parts of the evaporation chamber of the evaporator, so that the heat exchange efficiency of the evaporation chamber is higher.

[0010] The utility model is further configured that a second non-condensable gas discharge port is provided at the end of the steam preheater.

[0011] By adopting the above technical solution, a non-condensable gas discharge function is added to the end of the steam preheater, so that the heat exchange efficiency of the condensate preheater is higher.

[0012] The utility model is further configured that a residual water discharge pipe is also provided at the bottom of the evaporator, and one end of the residual water discharge pipe extends into the evaporation chamber of the evaporator, and the other end of the residual water discharge pipe is connected to the residual water inlet of the residual water preheater.

[0013] By adopting the above technical solution, the residual water discharge pipe extends into the interior of the evaporator and discharges the residual water accurately according to the height of the residual water, and the raw water will not be discharged, thereby causing waste.

[0014] The utility model is further configured that an evaporator exhaust pipe is also provided at the bottom of the evaporator.

[0015] By adopting the above technical solution, since the residual water discharge pipe extends into the evaporator to a certain height, the evaporator cannot be emptied, so a separate emptying pipe is set to empty the equipment when it is shut down. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] In the figure: 1. evaporator; 2. steam surplus water preheater; 3. condensate water preheater; 4. injection water buffer tank; 5. injection water pump; 6. injection water preheater; 7. non-condensable gas preheater; 8. steam preheater; 9. raw water inlet; 10. steam surplus water discharge port; 11. condensate water discharge port; 12. first non-condensable gas discharge port; 13. steam-water separation chamber; 14. evaporation chamber; 15. supplementary heating chamber; 16. steam pipeline; 17. condensate water pipeline; 18. water outlet; 19. pure steam pipeline; 20. compressor; 21. condensate water discharge port; 22. injection water pipeline; 23. non-condensable gas pipeline; 24. second non-condensable gas discharge port; 25. steam surplus water discharge pipe; 26. evaporator emptying pipe; 27. secondary steam-water separation tank. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Example: As shown in the attached Figure 1 The energy-saving vertical hot-pressed distilled water machine shown in the figure comprises an evaporator 1, a steam surplus water preheater 2, a condensate water preheater 3, an injection water buffer tank 4, an injection water pump 5, an injection water preheater 6, a non-condensable gas preheater 7, a steam preheater 8 and a secondary steam-water separation tank 27, wherein the steam surplus water preheater 2 is provided with a raw water inlet 9, the water outlet of the steam surplus water preheater 2 is connected to the water inlet of the condensate water preheater 3, and the steam surplus water preheater 2 and the condensate water preheater 3 are respectively provided with a steam surplus water discharge port 10 and a condensate discharge port 21. The water outlet 11, the water outlet of the condensate preheater 3 is connected to the water inlet of the injection water preheater 6 and the water inlet of the steam preheater 8 respectively, the water outlet of the steam preheater 8 is connected to the water inlet of the non-condensable gas preheater 7, the non-condensable gas preheater 7 is provided with a first non-condensable gas outlet 12, the water outlet of the non-condensable gas preheater 7 is connected to the water inlet at the bottom of the evaporator 1, and the interior of the evaporator 1 is provided with a steam-water separation chamber 13, an evaporation chamber 14 and a supplementary heating chamber from top to bottom. 15, industrial steam is connected to the air inlet of the steam preheater 8 and the air inlet of the evaporator 1 through the steam pipeline 16, the condensate outlet of the steam preheater 8 and the condensate outlet of the evaporator 1 are connected to the condensate inlet of the condensate preheater 3 through the condensate pipeline 17, the water outlet of the non-condensable gas preheater 7 is connected to the water inlet of the injection water buffer tank 4, the air outlet of the injection water buffer tank 4 is connected to the air inlet of the non-condensable gas preheater 7, and the injection water in the injection water buffer tank 4 is connected to the injection water buffer tank 4 through the injection water buffer tank 4. The water injection pump 5 is transported to the injection water preheater 6, and the injection water preheater 6 is provided with a water outlet 18, and the produced injection water is discharged from the water outlet 18 of the injection water preheater 6. The position of the evaporator 1 corresponding to the steam-water separation chamber 13 is connected to the air inlet of the secondary steam-water separation tank 27 through a pure steam pipeline 19, and the air outlet of the secondary steam-water separation tank 27 is connected to the position of the evaporation chamber 14 of the evaporator 1 through a compressor 20. The secondary steam-water separation tank 27 is also provided with a condensed water discharge port 21. The secondary steam-water separation tank 27 is added, and the secondary steam-water separation tank 27, the compressor 20 and the evaporator 1 are connected through a pure steam pipeline 19. Since there is a separation device in the secondary steam-water separation tank 27, the unseparated steam and water are further separated again, which reduces the conductivity of the injection water and makes the injection water quality more reliable.

[0020] As attached Figure 1As shown, the evaporator 1 is connected to the injection water buffer tank 4 at a position corresponding to the bottom of the evaporation chamber 14 through an injection water pipeline 22, and the inner diameter of the injection water pipeline 22 is flush with the upper surface of the lower tube plate of the evaporation chamber 14. This not only allows complete drainage without dead water generation, but also ensures the quality of injection water and allows the heat exchange area of ​​the evaporation chamber 14 to be fully utilized.

[0021] As attached Figure 1 As shown, the evaporator 1 is connected to the air inlet of the non-condensable gas preheater 7 via a non-condensable gas pipeline 23 at the upper and middle positions of the evaporation chamber 14. In the upper and middle parts of the evaporation chamber 14 of the evaporator 1, a non-condensable gas discharge function is added to make the heat exchange efficiency of the evaporation chamber 14 higher.

[0022] As attached Figure 1 As shown, the end of the steam preheater 8 is provided with a second non-condensable gas discharge port 24. The non-condensable gas discharge function is added to the end of the steam preheater 8, so that the heat exchange efficiency of the condensate preheater 3 is higher.

[0023] As attached Figure 1 As shown, a residual water discharge pipe 25 is further provided at the bottom of the evaporator 1, and one end of the residual water discharge pipe 25 extends into the evaporation chamber 14 of the evaporator 1, and the other end of the residual water discharge pipe 25 is connected to the residual water inlet of the residual water preheater 2. The residual water discharge pipe 25 extends into the interior of the evaporator 1 and accurately discharges the residual water according to the height of the residual water, and does not discharge the raw water, thereby causing waste.

[0024] As attached Figure 1 As shown, an evaporator drain pipe 26 is also provided at the bottom of the evaporator 1. Since the residual water discharge pipe 25 extends into the evaporator 1 to a certain height, the evaporator 1 cannot be drained, so a separate evaporator drain pipe 26 is provided to drain the equipment when the machine is shut down.

Claims

1. Energy-saving vertical hot-pressed distilled water machine, characterized by: The invention comprises an evaporator (1), a steam residue preheater (2), a condensate preheater (3), an injection water buffer tank (4), an injection water pump (5), an injection water preheater (6), a non-condensable gas preheater (7), a steam preheater (8) and a secondary steam-water separation tank (27), wherein the steam residue preheater (2) is provided with a raw water inlet (9), the water outlet of the steam residue preheater (2) is connected to the water inlet of the condensate preheater (3), and the steam residue preheater (2) and the condensate preheater (3) are respectively provided with a steam residue discharge port (10) and a condensate discharge port (11). The condensate preheater (3) has a water outlet connected to the water inlet of the injection water preheater (6) and the water inlet of the steam preheater (8), respectively. The water outlet of the steam preheater (8) is connected to the water inlet of the non-condensable gas preheater (7). The non-condensable gas preheater (7) is provided with a first non-condensable gas discharge port (12). The water outlet of the non-condensable gas preheater (7) is connected to the water inlet at the bottom of the evaporator (1). The interior of the evaporator (1) is provided with a steam-water separation chamber (13), an evaporation chamber (14) from top to bottom. and a supplementary heating chamber (15), wherein industrial steam is connected to the air inlet of the steam preheater (8) and the air inlet of the evaporator (1) respectively through a steam pipeline (16), the condensate outlet of the steam preheater (8) and the condensate outlet of the evaporator (1) are connected to the condensate inlet of the condensate preheater (3) through a condensate pipeline (17), the water outlet of the non-condensable gas preheater (7) is connected to the water inlet of the injection water buffer tank (4), the air outlet of the injection water buffer tank (4) is connected to the air inlet of the non-condensable gas preheater (7), and the injection water buffer tank (4) is connected to the air outlet of the injection water buffer tank (4). The injection water in the water buffer tank (4) is transported to the injection water preheater (6) through the injection water pump (5), and the injection water preheater (6) is provided with a water outlet (18). The position of the evaporator (1) corresponding to the steam-water separation chamber (13) is connected to the air inlet of the secondary steam-water separation tank (27) through a pure steam pipeline (19), and the air outlet of the secondary steam-water separation tank (27) is connected to the position of the evaporator (1) corresponding to the evaporation chamber (14) through a compressor (20). The secondary steam-water separation tank (27) is also provided with a condensed water discharge port (21).

2. The energy-saving vertical hot-pressed distilled water machine according to claim 1, characterized in that: The evaporator (1) is connected to the injection water buffer tank (4) via an injection water pipeline (22) at a position corresponding to the bottom of the evaporation chamber (14), and the inner diameter of the injection water pipeline (22) is flush with the upper surface of the lower tube plate of the evaporation chamber (14).

3. The energy-saving vertical hot-pressed distilled water machine according to claim 1, characterized in that: The evaporator (1) is connected to the air inlet of the non-condensable gas preheater (7) via a non-condensable gas pipeline (23) at the position corresponding to the upper part and the middle part of the evaporation chamber (14).

4. The energy-saving vertical hot-pressed distilled water machine according to claim 1, characterized in that: A second non-condensable gas discharge port (24) is provided at the end of the steam preheater (8).

5. The energy-saving vertical hot-pressed distilled water machine according to claim 1, characterized in that: A residual water discharge pipe (25) is also provided at the bottom of the evaporator (1), and one end of the residual water discharge pipe (25) extends into the evaporation chamber (14) of the evaporator (1), and the other end of the residual water discharge pipe (25) is connected to the residual water inlet of the residual water preheater (2).

6. The energy-saving vertical hot-pressed distilled water machine according to claim 5, characterized in that: An evaporator exhaust pipe (26) is also provided at the bottom of the evaporator (1).

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