Medical water production module

Abstract

The utility model discloses a medical water preparation module which comprises a cleaning water preparation pipeline and a purified water preparation pipeline which are connected through a plurality of pipelines, and the cleaning water preparation pipeline and the purified water preparation pipeline are connected in parallel and jointly externally connected to a submersible pump for supplying water. And the water outlet of the cleaning water preparation pipeline and the water outlet of the purified water preparation pipeline are respectively connected with an ultraviolet sterilizer through the pipeline. The membrane separation integrated technology is adopted, cleaning water and medical purified water are rapidly prepared on site, operation and use are convenient, the purging drainage function is adopted, stored water in a pipeline, a membrane assembly, a water high-pressure pump and the like is effectively drained, low-temperature storage is adapted, the auxiliary heating purging function is adopted, the starting time of the module after low-temperature storage can be shortened, and the service life of the module is prolonged. The system has the functions of multi-parameter display and fault alarm, and is reliable in operation.

Description

Technical Field

[0001] This utility model relates to water production equipment, specifically to a medical water production module. Background Technology

[0002] The medical water preparation module typically serves to prepare medical cleaning water (washing water) and purified water for field surgery and medical support systems. Washing water is mainly used for handwashing by medical staff in operating rooms, initial rinsing of wounds and lesions, rinsing before sterilization of medical devices, laundry, and other non-potable domestic water. Purified water is mainly used for deep cleaning of wounds and lesions, analytical testing and sterilization, and as a solvent or diluent for preparing oral and topical medications. Raw water can be sourced from Class I to III surface water, groundwater with a total dissolved solids (TDS) content ≤500 mg / L, atmospheric precipitation, and tap water, which are suitable for drinking water.

[0003] Therefore, a fully functional medical water module is ideal for emergency use in field surgery and medical support systems or other field medical facilities.

[0004] In summary, there is a need for a fully functional medical water production module that can integrate the preparation of cleaning water and purified water. Utility Model Content

[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is to provide a medical water production module, including a cleaning water preparation pipeline and a purified water preparation pipeline connected by multiple pipelines. The cleaning water preparation pipeline and the purified water preparation pipeline are connected in parallel and are jointly connected to a submersible pump for water supply. Furthermore, the outlets of the cleaning water preparation pipeline and the purified water preparation pipeline are respectively connected to an ultraviolet sterilizer through the pipelines.

[0006] The cleaning water preparation pipeline includes the submersible pump connected in series, multiple ultrafiltration membrane modules connected in parallel, and one ultraviolet sterilizer.

[0007] The purified water preparation pipeline includes the submersible pump, multiple reverse osmosis membrane modules connected in series, and another ultraviolet sterilizer.

[0008] In the above scheme, a high-pressure pump and a pressure-stabilizing pump are connected in series at the water inlet of the purified water preparation pipeline.

[0009] In the above scheme, a backwashing piston pump is connected in series at the water inlet of the cleaning water preparation pipeline, and a set of solenoid valve assembly and heater are connected in series at the piston pump.

[0010] In the above scheme, a set of solenoid valve assemblies are respectively installed on the parallel lines of the cleaning water preparation pipeline and the purified water preparation pipeline.

[0011] In the above scheme, the reverse osmosis membrane assembly comprises a reverse osmosis membrane shell arranged outside and a reverse osmosis membrane element arranged in the reverse osmosis membrane shell.

[0012] In the above scheme, the reverse osmosis membrane shell is a double-sealed membrane shell, which is composed of a membrane shell barrel, a membrane shell cover and a sealing ring arranged between the membrane shell barrel and the membrane shell cover.

[0013] In the above scheme, the ultrafiltration membrane assembly comprises a pressure container arranged outside and an ultrafiltration membrane element arranged in the pressure container.

[0014] In the above scheme, the pressure container is composed of a stainless steel membrane shell and a head, and the ultrafiltration membrane element is an internal pressure type hollow fiber ultrafiltration membrane element.

[0015] In the above scheme, an outer frame for mounting the cleaning water preparation pipeline and the purified water preparation pipeline is further included, and a PLC electric control box is arranged on the outer frame.

[0016] In the above scheme, the ultraviolet sterilizer is respectively provided with a water inlet and a water outlet on the upper side and the lower side.

[0017] The beneficial effects of the utility model include:

[0018] Membrane separation integrated technology is adopted to quickly prepare cleaning water and medical purified water on site, and the operation and use are convenient.

[0019] The blowing and draining function is adopted to effectively drain the stored water in the internal pipeline, membrane assembly and water high-pressure pump, and to adapt to low-temperature storage.

[0020] The auxiliary heating and blowing function is adopted to shorten the start-up time of the module after low-temperature storage.

[0021] The programmable control (PLC) and touch screen operation display are adopted, and the module has the functions of multi-parameter display and fault alarm, and is reliable in operation. DETAILED DESCRIPTION

[0022] Figure 1 It is a schematic view of the connecting structure of the utility model. DETAILED DESCRIPTION

[0023] The utility model will be described in detail in combination with the drawings of the specification.

[0024] The utility model discloses a kind of medical water water module, and the person skilled in the art can learn from the content of this paper, and appropriate process parameters are realized to improve.It needs to be particularly pointed out that all similar replacements and changes are obvious to the person skilled in the art, they are all regarded as including in the utility model, and relevant personnel obviously can change or appropriately change and combine the content described in this paper without departing from the content, spirit and scope of the utility model, to realize and apply the utility model technology.

[0025] In the utility model, unless otherwise specified, the scientific and technical terms used in this paper have the meanings commonly understood by the person skilled in the art.

[0026] In the description of the utility model, it needs to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and is not indicative or suggestive of the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0027] In the utility model, unless otherwise specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements or the interaction relationship of two elements. For the person skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific situation.

[0028] It needs to be explained that, in the description of the utility model, the terms "first", "second" are only used for the convenience of describing different components, and cannot be understood as indicative or suggestive of the order relationship, relative importance or implicit indication of the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one feature.

[0029] As Figure 1 shown, the utility model provides a kind of medical water water module, including the cleaning water preparation pipeline and the purified water preparation pipeline connected by multiple pipelines, cleaning water preparation pipeline and purified water preparation pipeline are connected in parallel between and the submersible pump of water supply is commonly connected outside, and the water outlet of cleaning water preparation pipeline and purified water preparation pipeline is respectively connected with one ultraviolet sterilizer 1 by pipeline,

[0030] The cleaning water preparation pipeline comprises, in sequence, a submersible pump (not shown, externally connected), a plurality of parallel ultrafiltration membrane assemblies 2, and a UV sterilizer 1.

[0031] The purified water preparation pipeline comprises, in sequence, a submersible pump, a plurality of series reverse osmosis membrane assemblies 3, and another UV sterilizer 1.

[0032] Further preferably, the purified water preparation pipeline is further provided, in sequence, with a high-pressure pump 4 and a pressure stabilizing pump 5 at the water inlet, and the cleaning water preparation pipeline is provided with a backwashing piston air pump 6 at the water inlet, and the piston air pump 6 is provided, in sequence, with a set of electromagnetic valve assemblies 7 for control and a heater 8, and a set of electromagnetic valve assemblies 7 is also provided on the parallel lines of the cleaning water preparation pipeline and the purified water preparation pipeline, respectively.

[0033] The functions of the utility model include:

[0034] The original water is purified into cleaning water by adopting an ultrafiltration (UF) + UV sterilization process.

[0035] The ultrafiltration product water is deeply purified into purified water by adopting a two-stage reverse osmosis (RO) + UV sterilization process.

[0036] The two kinds of product water can be filled into corresponding containers through pipelines for surgical preparation, surgical cleaning and inspection.

[0037] The utility model has the beneficial effects including:

[0038] The membrane separation integrated technology is adopted to quickly prepare cleaning water and medical purified water on site, and the operation and use are convenient.

[0039] The blow-off drainage function is adopted to effectively drain the stored water in the internal pipelines, membrane assemblies and water high-pressure pumps, and to adapt to low-temperature storage.

[0040] The auxiliary heating blow-off function is adopted to shorten the start-up time of the module after low-temperature storage.

[0041] The programmable control (PLC) and touch screen operation display are adopted, and the device has the functions of multi-parameter display and fault alarm, and is reliable in operation.

[0042] The utility model discloses an external mainframe and a pipe, and the mainframe is composed of 304 stainless steel square steel welding. Two quick water inlets are arranged on the left side of the mainframe and are used for connecting the cabin water inlet pipe 9 and the drain pipe 10. The mainframe is provided with a cabin water inlet and outlet, a cleaning water outlet 11 and a purified water outlet 12, a first-stage and second-stage product water regulating valve 13, a product water conductivity instrument 14, an operation touch screen, a power button, an alarm and a submersible pump power output socket. The lower side of the mainframe distribution cabinet is provided with a 1-meter mainframe power inlet wire and is used for connecting with an external power source.

[0043] The main component functions of the utility model

[0044] I. Submersible pump

[0045] The submersible pump is used to pressurize raw water from the soft water bladder, filter through the coarse filter, and press into the water inlet pipeline, and increase the pressure to 0.2-0.35 MPa. The submersible pump is a main component provided with the module, and when in use, the submersible pump power supply, water inlet pipeline, and the main machine are connected, and the "clean water preparation" and "purified water preparation" keys on the touch screen are lightly touched to start running.

[0046] II. High-pressure pump

[0047] The high-pressure pump adopts a 24V direct current diaphragm pump, and provides 0.4-0.8 MPa operating pressure for the first and second reverse osmosis membrane assemblies.

[0048] III. Piston air pump

[0049] The piston air pump provides a pressurized air source for the discharge operation of the water stored in the module.

[0050] IV. Heater

[0051] The heater is a measure of heating air for auxiliary purging after the module is stored at low temperature in order to shorten the start-up time of the module, and generally does not need to be started.

[0052] V. Ultrafiltration membrane assembly

[0053] The ultrafiltration (UF) membrane assembly includes a pressure vessel and an ultrafiltration membrane element, and the pressure vessel is composed of a stainless steel membrane shell and a head. The ultrafiltration membrane element is an internal pressure type hollow fiber ultrafiltration membrane element. The ultrafiltration unit of the module is composed of two ultrafiltration membrane assemblies in parallel. In use, the ultrafiltration membrane element has been placed in the membrane shell in the specified direction, and the two ends are sealed with end caps. When replacing, the rear end cap clamp is first opened, the end cap is removed, and then the ultrafiltration membrane element is taken out. Special attention should be paid to the use pressure and temperature of the ultrafiltration membrane element to avoid damage or performance degradation due to improper use.

[0054] VI. Reverse osmosis membrane assembly

[0055] The reverse osmosis (RO) membrane assembly includes a reverse osmosis membrane shell and a reverse osmosis membrane element. The reverse osmosis membrane shell is a double-sealed membrane shell, which is composed of a membrane shell barrel, a membrane shell cover, and a sealing ring. The reverse osmosis unit of the module is composed of two levels, one level has two branches, and the second level has one branch. In use, the reverse osmosis membrane element has been placed in the membrane shell in the specified direction, and sealed with the membrane shell cover. When replacing, the pipeline connected to the sealing cover is first disassembled, the membrane shell cover is removed, and then the reverse osmosis membrane element is taken out.

[0056] VII. Ultraviolet sterilizer

[0057] The ultraviolet sterilizer is used for killing bacteria by destroying the biological structure of the bacteria with the light of 254-257nm wavelength, and has strong killing power and can kill harmful bacteria in water in a short time. The module has two ultraviolet sterilizer units, which are respectively arranged in the last stage of the preparation and purification water process. The ultraviolet sterilizer has two water inlets, and the lower inlet is the water inlet and the upper inlet is the water outlet. Before starting, the integrality of the ultraviolet lamp and the pipe in the sterilizer should be checked to confirm that there is no damage.

[0058] The preparation process of the cleaning water is as follows:

[0059] The preparation process of the cleaning water mainly comprises a submersible pump, a coarse filter, an ultrafiltration membrane assembly, an electromagnetic valve, an ultraviolet sterilizer and pipelines.

[0060] The submersible pump automatically draws raw water into the pipeline, and the raw water is filtered through the coarse filter and pressurized to 0.2-0.35MPa. The pressurized raw water enters two ultrafiltration membrane assemblies, and the suspended solids, colloids, rust, bacteria, viruses and macromolecular organic matters in the water are intercepted. The filtration precision of the ultrafiltration membrane assembly is 0.01-0.1μm, and the removal rate of bacteria and pathogens reaches 99.99%. The ultrafiltration water is sterilized by the ultraviolet sterilizer to obtain the cleaning water. The electromagnetic valve is used to realize the ultrafiltration water drainage and water taking.

[0061] The filtration mode of the ultrafiltration membrane assembly is the internal pressure type "dead-end filtration". During the filtration, the pollutants in the water are intercepted on the membrane surface. When starting the water preparation each time, the program automatically controls the combination of the opening and closing of the ultrafiltration water inlet and drainage electromagnetic valves, and the membrane surface is positively and reversely washed by the water power provided by the submersible pump to reduce the pollution accumulation on the membrane surface and ensure the use effect of the ultrafiltration.

[0062] After the automatic washing of the ultrafiltration membrane assembly is completed, the drainage electromagnetic valve is closed, the cleaning water taking electromagnetic valve is opened, and the ultrafiltration starts to produce water.

[0063] The preparation process of the purified water is as follows:

[0064] The preparation process of the purified water is to take the ultrafiltration water as the water inlet, and mainly comprises a primary and secondary high-pressure pump, a primary and secondary reverse osmosis membrane assembly, an ultraviolet sterilizer and pipelines.

[0065] The ultrafiltration water enters the primary high-pressure pump through the ultrafiltration water electromagnetic valve, the pressure is increased to about 0.7MPa, and then enters the primary reverse osmosis membrane assembly. The primary reverse osmosis water enters the secondary high-pressure pump, the pressure is increased to about 0.7MPa, and then enters the secondary reverse osmosis membrane assembly. Finally, the purified water is obtained by sterilizing the water by the ultraviolet sterilizer. When the high-pressure pump is started, the two-stage RO concentrated water electromagnetic valve is opened, and the reverse osmosis membrane assembly is quickly washed for 20s (which can be set according to the actual situation).

[0066] The purging and discharging process of the utility model is as follows:

[0067] The purging and discharging is the process of discharging the water stored in the membrane module and the pipeline after the module is stopped. The water is discharged by the air pump in the automatic purging and discharging mode or the manual mode.

[0068] The electrical control principle of the utility model is as follows:

[0069] The module is operated by the touch screen and is controlled by the PLC. The lower part of the main machine is connected with the external 220V AC power supply line. The middle part of the lower part of the electric control box PLC is the alarm. The right side is the power switch. The left side is the submersible pump power supply interface. The top is the online conductivity detector for the water quality of the purified water and the water quality of the purified water.

[0070] The touch screen can be used to start / stop the cleaning water, the preparation of the purified water and the purging and discharging operation. The system monitoring of the module, the running state, the process flow, the parameter setting and the alarm log display can also be carried out.

[0071] The utility model is not limited to the above-mentioned best implementation, any person should know the structural change made under the inspiration of the utility model. Any technical solution with the same or similar utility model falls into the protection range of the utility model.

Claims

1. A medical water production module, characterized in that, The system includes a cleaning water preparation pipeline and a purified water preparation pipeline connected by multiple lines. These pipelines are connected in parallel and jointly connected to a submersible pump supplying water. The outlets of both the cleaning water preparation pipeline and the purified water preparation pipeline are connected to an ultraviolet sterilizer via the pipelines. The cleaning water preparation pipeline includes the submersible pump, multiple ultrafiltration membrane modules connected in parallel, and an ultraviolet sterilizer connected in series. The purified water preparation pipeline includes the submersible pump, multiple reverse osmosis membrane modules connected in series, and another ultraviolet sterilizer.

2. The medical water production module as described in claim 1, characterized in that, A high-pressure pump and a pressure-stabilizing pump are connected in series at the water inlet of the purified water preparation pipeline.

3. The medical water production module as described in claim 1, characterized in that, A piston pump is connected in series at the water inlet of the cleaning water preparation pipeline, and a set of solenoid valves and a heater are connected in series at the piston pump.

4. The medical water production module as described in claim 1, characterized in that, A set of solenoid valve assemblies is respectively installed on the parallel lines of the cleaning water preparation pipeline and the purified water preparation pipeline.

5. The medical water production module as described in claim 1, characterized in that, The reverse osmosis membrane assembly includes an external reverse osmosis membrane housing and a reverse osmosis membrane element disposed within the reverse osmosis membrane housing.

6. The medical water production module as described in claim 5, characterized in that, The reverse osmosis membrane housing is a double-sealed membrane housing, which consists of a membrane housing barrel, a membrane housing cover, and a sealing ring disposed between the membrane housing barrel and the membrane housing cover.

7. The medical water production module as described in claim 1, characterized in that, The ultrafiltration membrane assembly includes an external pressure vessel and an ultrafiltration membrane element disposed within the pressure vessel.

8. The medical water production module as described in claim 7, characterized in that, The pressure vessel is composed of a stainless steel membrane shell and a head, and the ultrafiltration membrane element is an internal pressure hollow fiber ultrafiltration membrane element.

9. The medical water production module as described in claim 1, characterized in that, It also includes an outer frame for installing the cleaning water preparation pipeline and the purified water preparation pipeline, and the outer frame is equipped with a PLC electrical control box.

10. The medical water production module as described in claim 1, characterized in that, The ultraviolet sterilizer has an inlet and an outlet on its upper and lower sides, respectively.

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