Hot-pressing distillation equipment

Abstract

The utility model relates to hot-pressing distillation equipment which comprises a hot-pressing distilled water machine, the injection water thermal circulation module comprises a thermal circulation pipeline, a thermal circulation pump and a thermal circulation heat exchanger, the thermal circulation pump and the thermal circulation heat exchanger are arranged in the thermal circulation pipeline, and the thermal circulation heat exchanger is communicated with a water outlet of the hot-pressing water distiller; the water cooling module comprises a purified water distribution point and a raw material water cooling heat exchanger, the purified water distribution point is communicated with the raw material water cooling heat exchanger, and the raw material water cooling heat exchanger is communicated with a water inlet of the hot-pressing water distiller through a first pipeline. According to the scheme, the cooling working condition of the water cooling module can be utilized to heat the raw material water of the hot-pressing distilled water machine and cool the injection water at the water cooling module, the waste heat in the system is fully utilized, the cooling water consumption of the water cooling module is saved, the dependence on industrial steam and other external heat sources and the use amount are reduced, and the energy consumption is reduced. The system energy consumption and the operation cost are reduced.

Description

Technical Field

[0001] This application relates to the technical field of water for injection preparation, and in particular to a hot pressure distillation apparatus. Background Technology

[0002] Water for injection refers to water that meets the requirements for water for injection as specified in the Chinese Pharmacopoeia. Water for injection is obtained by distilling distilled or deionized water, hence it is also called double-distilled water. Currently, the main methods for preparing water for injection include multi-effect distillation and thermostatic distillation. Multi-effect distillation is a distillation desalination technique that uses several evaporators connected in series to save heat. This method utilizes the heat source of each subsequent evaporator from the condensation heat of the previous evaporator, thus achieving a cascaded utilization of heat. Thermostatic distillation utilizes the boiling properties of liquid water under high temperature and pressure to separate pure vapor from the water, which is then condensed into pure water using a condenser.

[0003] However, both distillation methods require the use of large amounts of industrial steam to preheat the feed water to the evaporation temperature, resulting in high system energy consumption, high operating costs, and high dependence on external heat sources. Utility Model Content

[0004] Therefore, it is necessary to provide a hot pressure distillation device to address the problems of high dependence on external heat sources and high energy consumption and cost of system operation.

[0005] This application provides a hot-press distillation apparatus, comprising:

[0006] Hot press distillation water machine;

[0007] A water-to-injection thermal circulation module, comprising a thermal circulation pipeline, a thermal circulation pump, and a thermal circulation heat exchanger, wherein the thermal circulation pump and the thermal circulation heat exchanger are respectively disposed in the thermal circulation pipeline, and the thermal circulation heat exchanger is connected to the outlet of the hot-press distillation water machine; and

[0008] The water cooling module includes a purified water distribution point and a raw water cooling heat exchanger. The purified water distribution point is connected to the raw water cooling heat exchanger, and the raw water cooling heat exchanger is connected to the inlet of the hot-press distillation machine through a first pipeline.

[0009] The hot-press distillation equipment in this solution is used in the preparation of water for injection. During operation, raw water flows into the hot-press distillation machine, where it is processed to produce water for injection. The water for injection then flows into the hot circulation pipeline, where it circulates continuously under the drive of the hot circulation pump. After passing through the hot circulation heat exchanger, its temperature rises, forming high-temperature water for injection. This high-temperature water for injection (heat transfer medium) flows into the raw water cooling heat exchanger, where it can mix with the purified water (coolant) flowing from the purified water distribution point into the raw water cooling heat exchanger. Heat exchange is performed, allowing the heat from the high-temperature water for injection to be absorbed by the low-temperature purified water. The heated purified water then flows into the hot-press distillation water machine, where it can be used to heat the raw water. In other words, this solution utilizes the cooling mode of the water cooling module to heat the raw water in the hot-press distillation water machine and cool the water for injection at the water cooling module. This fully utilizes the system's internal waste heat, saves cooling water consumption in the water cooling module, reduces reliance on and usage of external heat sources such as industrial steam, and lowers system energy consumption and operating costs.

[0010] The technical solution of this application will be further described below:

[0011] In one embodiment, the water-for-injection thermal circulation module further includes a water-for-injection storage tank, which is disposed in the thermal circulation pipeline, and the water-for-injection storage tank is connected to the hot-pressed distilled water through a second pipeline.

[0012] In one embodiment, the hot-press distillation apparatus further includes a first control valve disposed in the first pipeline.

[0013] In one embodiment, the hot-press distillation apparatus further includes a second control valve disposed in the second pipeline.

[0014] In one embodiment, the hot press distillation apparatus further includes a third control valve disposed in the hot circulation pipeline.

[0015] In one embodiment, the hot-press distillation apparatus further includes a fourth control valve, which is disposed in the pipeline between the heat circulation heat exchanger and the feed water cooling heat exchanger.

[0016] In one embodiment, the hot-press distillation equipment further includes a controller, and the hot-press distillation water machine is equipped with a frequency converter to realize variable frequency water production; the injection water storage tank is equipped with a liquid level sensor, and both the frequency converter and the liquid level sensor are electrically connected to the controller.

[0017] In one embodiment, the water cooling module further includes a cooling water distribution point and a cooling water cooling heat exchanger. The cooling water distribution point is connected to the cooling water cooling heat exchanger, and the cooling water cooling heat exchanger is connected in series with the raw material water cooling heat exchanger and is arranged downstream of the raw material water cooling heat exchanger away from the heat circulation heat exchanger.

[0018] In one embodiment, the water cooling module further includes a water for injection product tank, which is connected to the cooling water cooling heat exchanger and is located downstream of the cooling water cooling heat exchanger from the raw material water cooling heat exchanger.

[0019] In one embodiment, the hot-press distillation apparatus further includes a fifth control valve, a sixth control valve, and a seventh control valve. The fifth control valve is connected between the purified water distribution point and the raw water cooling heat exchanger. The sixth control valve is connected between the cooling water distribution point and the cooling water cooling heat exchanger. The seventh control valve is connected between the cooling water cooling heat exchanger and the water for injection product tank. Attached Figure Description

[0020] The accompanying drawings, which form part of this application, are used to provide a further understanding of this application. The illustrative embodiments of this application and their descriptions are used to explain this application and do not constitute an undue limitation of this application.

[0021] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of the structure of a hot-press distillation apparatus according to an embodiment of this application.

[0023] Explanation of reference numerals in the attached figures:

[0024] 100. Hot-press distillation equipment; 10. Hot-press distillation water machine; 20. Injection water thermal circulation module; 21. Thermal circulation pipeline; 22. Thermal circulation pump; 23. Thermal circulation heat exchanger; 24. Injection water storage tank; 30. Water cooling module; 31. Purified water distribution point; 32. Raw material water cooling heat exchanger; 33. Cooling water distribution point; 34. Cooling water cooling heat exchanger; 35. Injection water product tank; 40. First pipeline; 50. Second pipeline; 60. First control valve; 60a. Second control valve; 60b. Third control valve; 60c. Fourth control valve; 60d. Fifth control valve; 60e. Sixth control valve; 60f. Seventh control valve. Detailed Implementation

[0025] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0026] In the description of this application, it should be understood that if terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0027] Furthermore, where the terms "first" and "second" appear, these terms are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, where the term "multiple" appears, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0028] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0029] In this application, unless otherwise expressly specified and limited, the use of descriptions such as "above" or "below" the second feature indicates that the first and second features are in direct contact or indirect contact via an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. Similarly, "below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0030] It should be noted that if an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. If so, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application are for illustrative purposes only and do not represent the only possible implementation.

[0031] See Figure 1 This application illustrates a hot-press distillation apparatus 100, which includes a hot-press distillation water machine 10, a water-for-injection hot circulation module 20, and a water-cooling module 30.

[0032] Among them, the hot-press distillation water machine 10 is a high-efficiency and environmentally friendly pure water equipment. Its working principle is mainly to heat the raw water to boiling through the heater. After the water boils, it evaporates into water vapor. The water vapor forms a high concentration of water vapor in the evaporator. After being cooled by the condenser, the water vapor will condense into water to obtain pure water.

[0033] The main components of the hot-press distillation water machine 10 include a heater, evaporator, condenser, water pump, and dehydrator. Its general working process is as follows: Heating: Raw water is heated to boiling by the heater; Evaporation: After boiling, the water evaporates into water vapor, which forms a high concentration of water vapor in the evaporator; Condensation: The water vapor condenses into water droplets after being cooled by the condenser and falls into the water tank; Collection: The collected water is pure water.

[0034] The water-to-injection thermal circulation module 20 includes a thermal circulation pipeline 21, a thermal circulation pump 22, and a thermal circulation heat exchanger 23. The thermal circulation pump 22 and the thermal circulation heat exchanger 23 are respectively installed in the thermal circulation pipeline 21. The thermal circulation heat exchanger 23 is connected to the outlet of the hot-press distillation water machine 10. The water cooling module 30 includes a purified water distribution point 31 and a raw water cooling heat exchanger 32. The purified water distribution point 31 is connected to the raw water cooling heat exchanger 32. The raw water cooling heat exchanger 32 is connected to the inlet of the hot-press distillation water machine 10 through a first pipeline 40.

[0035] In summary, implementing the technical solution of this embodiment will achieve the following beneficial effects: The hot-press distillation equipment 100 of this solution is used in the preparation of water for injection. During operation, raw water flows into the hot-press distillation water machine 10, and after processing by the hot-press distillation water machine 10, water for injection is produced. The water for injection flows into the hot circulation pipeline 21, and under the drive of the hot circulation pump 22, it continuously circulates along the hot circulation pipeline 21. After passing through the hot circulation heat exchanger 23, its temperature rises, thus forming high-temperature water for injection. The high-temperature water for injection (heat medium) flows into the raw water cooling heat exchanger 32, and can then be combined with the raw water flowing from the purified water distribution point 31. The purified water (refrigerant) in the water cooling heat exchanger 32 undergoes heat exchange, allowing the heat from the high-temperature water for injection to be absorbed by the low-temperature purified water. The heated purified water then flows into the hot-press distillation water machine 10, where it can be used to heat the raw water. In other words, this solution can utilize the cooling mode of the water cooling module 30 to heat the raw water in the hot-press distillation water machine 10 and cool the water for injection at the water cooling module 30. This fully utilizes the system's internal waste heat, saves cooling water consumption in the water cooling module, reduces reliance on and usage of external heat sources such as industrial steam, and lowers system energy consumption and operating costs.

[0036] Please continue reading. Figure 1 Based on the above embodiments, the injection water thermal circulation module 20 also includes an injection water storage tank 24, which is disposed in the thermal circulation pipeline 21 and is connected to the hot-pressed distilled water through a second pipeline 50. The injection water storage tank 24 can meet the storage needs of the injection water produced by the hot-pressed distilled water machine 10, thereby improving the water storage capacity of the equipment; in addition, the injection water flows at a high speed in the thermal circulation pipeline 21, and the injection water entering the injection water storage tank 24 can play a buffering role, preventing impact noise and improving the quietness of equipment operation.

[0037] The bottom wall of the water injection storage tank 24 is provided with a residual water discharge port, which is used to drain the residual water injection in the water injection storage tank 24 when the equipment is shut down for a long time or is under maintenance.

[0038] Please continue reading. Figure 1Furthermore, in another embodiment, the hot press distillation apparatus 100 further includes a first control valve 60 disposed in the first pipeline 40. The first control valve 60 is capable of controlling the flow rate of purified water entering the hot press distillation water machine 10 from the raw water cooling heat exchanger 32, so that the appropriate amount of purified water flowing in can preheat the raw water of the hot press distillation water machine 10 to the required evaporation temperature.

[0039] Specifically, the first control valve 60 can be any type of manual valve, electric valve, etc., and can be flexibly selected according to actual needs. No specific limitation is made here.

[0040] Furthermore, the hot press distillation equipment 100 also includes a second control valve 60a, which is installed in the second pipeline 50. The second control valve 60a is used to control the amount of injection water flowing into the injection water storage tank 24. On the one hand, it ensures that there is enough injection water to participate in the thermal cycle and to flow to the water cooling module 30; on the other hand, it can also prevent the injection water storage tank 24 from overflowing due to excessive water, which would cause environmental pollution and waste of resources.

[0041] Specifically, the second control valve 60a can be any type of manual valve, electric valve, etc., and can be flexibly selected according to actual needs. No specific limitation is made here.

[0042] Please continue reading. Figure 1 Furthermore, the autoclaving apparatus 100 also includes a third control valve 60b, which is disposed in the heat circulation line 21. The third control valve 60b is used to control the flow rate of the injection water participating in the heat exchange in the heat circulation line 21, so as to suit different operating conditions of the autoclaving apparatus 100.

[0043] Specifically, the third control valve 60b can be any type of manual valve, electric valve, etc., and can be flexibly selected according to actual needs. No specific limitation is made here.

[0044] In another embodiment, the hot press distillation apparatus 100 further includes a fourth control valve 60c, which is disposed in the pipeline between the heat circulation heat exchanger 23 and the raw water cooling heat exchanger 32. The fourth control valve 60c is used to control the flow rate of high-temperature injection water flowing from the heat circulation pipeline 21 into the raw water cooling heat exchanger 32, so that the flow rate of high-temperature injection water is matched with the flow rate of purified water flowing from the purified water distribution point 31 into the raw water cooling heat exchanger 32, thereby ensuring optimal heat exchange efficiency, so that the purified water fully absorbs heat and flows into the hot press distillation water machine 10 for preheating the raw water.

[0045] In addition, in order to ensure that the water consumption at the water cooling module 30 is synchronized with the water production of the hot press distillation machine 10, so as to maximize the energy utilization of the equipment and minimize the cooling water consumption, in an optional embodiment, the hot press distillation equipment 100 also includes a controller. The hot press distillation machine 10 is equipped with a frequency converter to realize the variable frequency water production of the hot press distillation machine 10. The injection water storage tank 24 is equipped with a liquid level sensor. The frequency converter and the liquid level sensor are both electrically connected to the controller.

[0046] The controller can be, but is not limited to, a PLC device, a microcomputer, etc.

[0047] Please continue reading. Figure 1 Based on any of the above embodiments, the water cooling module 30 further includes a cooling water distribution point 33 and a cooling water cooling heat exchanger 34. The cooling water distribution point 33 is connected to the cooling water cooling heat exchanger 34, which is connected in series with the raw water cooling heat exchanger 32 and is located downstream of the raw water cooling heat exchanger 32, away from the heat circulation heat exchanger 23. The cooling water cooling heat exchanger 34 and the raw water cooling heat exchanger 32 form a dual-cooler configuration. This redundant design allows the cooling water cooling heat exchanger 34 to effectively reduce system operation risks and ensure that the temperature at the point of use is controllable.

[0048] Furthermore, the water cooling module 30 also includes a water-for-injection product tank 35, which is connected to the cooling water cooling heat exchanger 34 and is located downstream of the cooling water cooling heat exchanger 34, away from the raw material water cooling heat exchanger 32. The water-for-injection product tank 35 can store and collect redundant water for injection for targeted supply.

[0049] For example, the bottom or side wall near the bottom of the water-for-injection product container 35 is provided with a water outlet for convenient water collection by the user. Alternatively, the water-for-injection product container 35 is detachable and replaceable, meaning that once the current water-for-injection product container 35 is full, it can be replaced as a whole, allowing the next empty water-for-injection product container 35 to continue collecting water for injection.

[0050] In addition, the autoclave 100 also includes a fifth control valve 60d, a sixth control valve 60e, and a seventh control valve 60f. The fifth control valve 60d is connected between the purified water distribution point 31 and the raw water cooling heat exchanger 32, the sixth control valve 60e is connected between the cooling water distribution point 33 and the cooling water cooling heat exchanger 34, and the seventh control valve 60f is connected between the cooling water cooling heat exchanger 34 and the water for injection product tank 35. The fifth control valve 60d, the sixth control valve 60e, and the seventh control valve 60f can precisely control the flow rates of purified water, cooling water, and water for injection, respectively, to ensure the reliable and efficient operation of the autoclave 100.

[0051] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0052] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A hot-press distillation apparatus, characterized in that, include: Hot press distillation water machine; A water-to-injection thermal circulation module, comprising a thermal circulation pipeline, a thermal circulation pump, and a thermal circulation heat exchanger, wherein the thermal circulation pump and the thermal circulation heat exchanger are respectively disposed in the thermal circulation pipeline, and the thermal circulation heat exchanger is connected to the outlet of the hot-press distillation water machine; and The water cooling module includes a purified water distribution point and a raw water cooling heat exchanger. The purified water distribution point is connected to the raw water cooling heat exchanger, and the raw water cooling heat exchanger is connected to the inlet of the hot-press distillation machine through a first pipeline.

2. The hot-press distillation apparatus according to claim 1, characterized in that, The injection water thermal circulation module also includes an injection water storage tank, which is disposed in the thermal circulation pipeline, and the injection water storage tank is connected to the hot-pressed distilled water through a second pipeline.

3. The hot-press distillation apparatus according to claim 2, characterized in that, The hot-press distillation equipment also includes a first control valve, which is disposed in the first pipeline.

4. The hot-press distillation apparatus according to claim 3, characterized in that, The hot-press distillation equipment also includes a second control valve, which is disposed in the second pipeline.

5. The hot-press distillation apparatus according to claim 4, characterized in that, The hot-press distillation equipment also includes a third control valve, which is disposed in the hot circulation pipeline.

6. The hot-press distillation apparatus according to claim 5, characterized in that, The hot-press distillation equipment also includes a fourth control valve, which is installed in the pipeline between the heat circulation heat exchanger and the raw water cooling heat exchanger.

7. The hot-press distillation apparatus according to claim 2, characterized in that, The hot-press distillation equipment also includes a controller. The hot-press distillation water machine is equipped with a frequency converter to realize variable frequency water production. The injection water storage tank is equipped with a liquid level sensor. The frequency converter and the liquid level sensor are both electrically connected to the controller.

8. The hot-press distillation apparatus according to claim 1, characterized in that, The water cooling module further includes a cooling water distribution point and a cooling water cooling heat exchanger. The cooling water distribution point is connected to the cooling water cooling heat exchanger. The cooling water cooling heat exchanger is connected in series with the raw material water cooling heat exchanger and is arranged downstream of the raw material water cooling heat exchanger, away from the heat circulation heat exchanger.

9. The hot-press distillation apparatus according to claim 8, characterized in that, The water cooling module also includes a water-for-injection product tank, which is connected to the cooling water cooling heat exchanger and is located downstream of the cooling water cooling heat exchanger, away from the raw material water cooling heat exchanger.

10. The hot-press distillation apparatus according to claim 9, characterized in that, The hot-press distillation equipment further includes a fifth control valve, a sixth control valve, and a seventh control valve. The fifth control valve is connected between the purified water distribution point and the raw material water cooling heat exchanger. The sixth control valve is connected between the cooling water distribution point and the cooling water cooling heat exchanger. The seventh control valve is connected between the cooling water cooling heat exchanger and the water for injection product tank.

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