阅读说明：本技术 一种双级五膜血透制水设备及制水工艺 (Two-stage five-membrane hemodialysis water production equipment and water production process ) 是由 呼江浩 于 2019-12-24 设计创作，主要内容包括：本发明公开了一种双级五膜血透制水设备及制水工艺,包括砂滤器、软化器、活性炭过滤器、精密过滤器、一级RO膜和二级RO膜,通过砂滤器截留除去水中的悬浮物、有机物、胶质颗粒、微生物、氯、嗅味及部分重金属离子等,通过软化器降低原水硬度,通过活性炭过滤器有效吸附水体中异味、有机物、胶体、铁及余氯等,通过精密过滤器,截留水中任何大于5um的颗粒,保护反渗膜的稳定运行,通过一级RO膜和二级RO膜的作用除水中的溶解盐类、胶体、微生物、有机物等,双级反渗透膜的设置,而更好地滤除水中的杂质,进一步提高纯水质量,并且运行可靠性高。(The invention discloses a two-stage five-membrane hemodialysis water production device and a water production process, which comprise a sand filter, a softener, an active carbon filter, a precision filter, a first-stage RO membrane and a second-stage RO membrane, wherein suspended matters, organic matters, colloid particles, microorganisms, chlorine, odor, partial heavy metal ions and the like in water are intercepted and removed through the sand filter, the hardness of raw water is reduced through the softener, peculiar smell, the organic matters, the colloid, iron, residual chlorine and the like in water are effectively adsorbed through the active carbon filter, any particles larger than 5 mu m in water are intercepted through the precision filter, the stable operation of a reverse osmosis membrane is protected, dissolved salts, the colloid, the microorganisms, the organic matters and the like in water are removed through the action of the first-stage RO membrane and the second-stage RO membrane, impurities in water are better filtered through the arrangement of the two-stage RO membrane, the quality of the pure water is further improved.)

1. The utility model provides a five membrane hemodialysis water preparation facilities of doublestage which characterized in that: the automatic water supply system comprises a rack, a first-stage high-pressure pump, a second-stage high-pressure pump, a water tank, an electric control cabinet, a reverse osmosis membrane and a hot water pump, wherein the reverse osmosis membrane comprises a first reverse osmosis membrane, a second reverse osmosis membrane, a third reverse osmosis membrane, a fourth reverse osmosis membrane and a fifth reverse osmosis membrane, the first reverse osmosis membrane, the second reverse osmosis membrane and the third reverse osmosis membrane form a first-stage RO membrane, the fourth reverse osmosis membrane and the fifth reverse osmosis membrane form a second-stage RO membrane, a total water inlet pipe, a hot water discharge pipe, a hemodialysis machine water supply pipe, a second-stage concentrated water discharge pipe and a first-stage concentrated water discharge pipe are sequentially arranged at the lower end of the rack, the total water inlet pipe, the hot water discharge pipe and the hemodialysis machine water supply pipe are connected with the water tank, one end of the hemodialysis, The lower end of the reverse osmosis membrane five is connected, and the first-stage concentrated water drain pipe is connected with the lower ends of the reverse osmosis membrane one, the reverse osmosis membrane two and the reverse osmosis membrane three.

2. The two-stage five-membrane hemodialysis water production apparatus according to claim 1, wherein: and the electric control cabinet is provided with a control screen and a printer.

3. The two-stage five-membrane hemodialysis water production apparatus according to claim 1, wherein: one end of the main water inlet pipe is sequentially connected with a precision filter, an activated carbon filter, a softener and a sand filter.

4. The two-stage five-membrane hemodialysis water preparation process according to claim 3, wherein the five-membrane hemodialysis water preparation process comprises the following steps: the method comprises the following steps:

1) filtering raw water through a raw water pump sand filter to finish primary filtration;

2) the filtered water enters a softener to finish secondary filtration;

3) the filtered water enters an activated carbon filter to finish the third filtration;

4) the filtered water enters a precision filter to finish the fourth filtration;

5) the filtered water enters the water tank from the water inlet main pipe through a first-stage high-pressure pump, and then is filtered for the fifth time through a first-stage RO (reverse osmosis) membrane;

6) the filtered water passes through a second-stage high-pressure pump and then is finally filtered under the action of a second-stage RO membrane;

7) the filtered fresh water enters the hemodialysis machine from a water supply pipe interface of the hemodialysis machine.

Technical Field

The invention relates to a two-stage five-membrane hemodialysis water production device and a water production process.

Background

Hemodialysis is a very complex, non-physiological process, each link being a high risk factor for nosocomial infections. The quality of the water for hemodialysis is directly related to the health and safety of hemodialysis patients, and therefore, the safety of the whole water treatment system is extremely important. (1) The purity of water quality is ensured to meet the standard of water for hemodialysis; (2) water supply interruption due to various accidents is prevented. This requires that the user must be forced to manage the hemodialysis water treatment system. The purpose of hemodialysis is to replace part of the functions of the failing kidney, such as the removal of metabolic wastes, regulation of water, electrolytes, and acid-base balance. In the general hemodialysis process, the flow of the dialysate is 500mm L/min, and 150L-200L of water is needed for completing one-person dialysis treatment. The composition of the dialysate contains certain electrolytes, mainly maintains the physiological balance of patients, the dialysate is treated water, and daily water (tap water or underground water) contains a large amount of bacteria, heat sources, calcium and magnesium ions, organic matters and other impurities, so that the purification treatment of the water is very important; however, the existing equipment has low treatment efficiency and poor treatment effect on hemodialysis water, so that a new equipment is urgently needed to be developed to change the current situation.

Disclosure of Invention

The invention aims to solve the technical problem of providing the two-stage five-membrane hemodialysis water preparation equipment and the water preparation process, which are convenient to use and simple to operate, can remove suspended matters, organic matters, colloidal particles, microorganisms, chlorine, odor, peculiar smell, colloid, iron, dissolved salts, microorganisms, particles larger than 5 microns in water and the like in raw water, can directly use the converted raw water for hemodialysis, and have the advantages of high conversion efficiency, high conversion speed, good quality of the converted raw water, practicability and wide application.

In order to solve the problems, the invention adopts the following technical scheme;

the two-stage five-membrane hemodialysis water production equipment comprises a rack, a first-stage high-pressure pump, a second-stage high-pressure pump, a water tank, an electric control cabinet, a reverse osmosis membrane and a hot water pump, wherein the reverse osmosis membrane comprises a reverse osmosis membrane I, a reverse osmosis membrane II, a reverse osmosis membrane III, a reverse osmosis membrane IV and a reverse osmosis membrane V, the reverse osmosis membrane I, the reverse osmosis membrane II and the reverse osmosis membrane III form a first-stage RO membrane, the reverse osmosis membrane IV and the reverse osmosis membrane V form a second-stage RO membrane, a main water inlet pipe, a hot water discharge pipe, a hemodialysis machine water supply pipe, a second-stage concentrated water discharge pipe and a first-stage concentrated water discharge pipe are sequentially arranged at the lower end of the rack, the main water inlet pipe, the hot water discharge pipe and the hemodialysis machine water supply pipe are connected with the water tank, one end of the hemodialysis machine water supply pipe is, The lower end of the reverse osmosis membrane five is connected, and the first-stage concentrated water drain pipe is connected with the lower ends of the reverse osmosis membrane one, the reverse osmosis membrane two and the reverse osmosis membrane three.

Preferably, the electric control cabinet is provided with a control screen and a printer.

Preferably, one end of the main water inlet pipe is sequentially connected with a precision filter, an activated carbon filter, a softener and a sand filter.

A two-stage five-membrane hemodialysis water preparation process comprises the following steps:

1) filtering raw water through a raw water pump sand filter to finish primary filtration;

2) the filtered water enters a softener to finish secondary filtration;

3) the filtered water enters an activated carbon filter to finish the third filtration;

4) the filtered water enters a precision filter to finish the fourth filtration;

5) the filtered water enters the water tank from the water inlet main pipe through a first-stage high-pressure pump, and then is filtered for the fifth time through a first-stage RO (reverse osmosis) membrane;

6) the filtered water passes through a second-stage high-pressure pump and then is finally filtered under the action of a second-stage RO membrane;

7) the filtered fresh water enters the hemodialysis machine from a water supply pipe interface of the hemodialysis machine.

The invention has the beneficial effects that: convenient to use, easy operation can desorption suspended solid, organic matter, colloid granule, microorganism, chlorine in the raw water, smell flavor, peculiar smell, colloid, iron, dissolved salts, microorganism and aquatic any granule etc. that is greater than 5um, and the raw water after the conversion can directly be used for hemodialysis, and its conversion efficiency is high, and the conversion rate is fast, and the raw water after the conversion is of high quality, has practicality and the universality of using, and whole process connects compactly simultaneously, and is progressive, and management and implementation are convenient.

Drawings

In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, but the protection scope of the present invention is not limited.

FIG. 1 is a schematic diagram of the principles of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic backside view of the present invention;

FIG. 4 is a schematic view of the position of the total intake riser of the present invention;

the automatic hemodialysis machine comprises a machine frame 1, a first-stage air pressure pump 2, a second-stage high pressure pump 3, a water tank 4, an electric control cabinet 5, a first reverse osmosis membrane 6, a second reverse osmosis membrane 7, a third reverse osmosis membrane 8, a fourth reverse osmosis membrane 9, a fifth reverse osmosis membrane 10, a fifth reverse osmosis membrane 11, a total water inlet pipe 12, a hot water discharge pipe 13, a hemodialysis machine water supply pipe 14, a hemodialysis machine water supply pipe 15, a second-stage concentrated water discharge pipe 16, a first-stage concentrated water discharge pipe 17, a control screen 18, a hot water pump 19 and a printer.

Detailed Description

Referring to fig. 1 to 4, a two-stage five-membrane hemodialysis water production apparatus includes a frame 1, a first-stage high-pressure pump 2, a second-stage high-pressure pump 3, a water tank 4, an electric control cabinet 5, a reverse osmosis membrane and a hot water pump 18, wherein the reverse osmosis membrane includes a reverse osmosis membrane one 6, a reverse osmosis membrane two 7, a reverse osmosis membrane three 8, a reverse osmosis membrane four 9 and a reverse osmosis membrane five 10, the reverse osmosis membrane one 6, the reverse osmosis membrane two 7 and the reverse osmosis membrane three 8 form a first-stage RO membrane, the reverse osmosis membrane four 9 and the reverse osmosis membrane five 10 form a second-stage RO membrane, a main water inlet pipe 11, a hot water discharge pipe 12, a hemodialysis machine water supply pipe 13, a hemodialysis machine water supply pipe 14, a second-stage concentrated water discharge pipe 15 and a first-stage concentrated water discharge pipe 16 are sequentially arranged at the lower end of the frame 1, the main water inlet pipe, the other end is connected with a hemodialysis machine (shown in the figure), one end of the hot water pump 18 is connected with the upper ends of the reverse osmosis membrane IV 9 and the reverse osmosis membrane V10, the second-stage concentrated water discharge pipe 15 is connected with the lower ends of the reverse osmosis membrane IV 9 and the reverse osmosis membrane V10, and the first-stage concentrated water discharge pipe 16 is connected with the lower ends of the reverse osmosis membrane I6, the reverse osmosis membrane II 7 and the reverse osmosis membrane III 8.

And the electric control cabinet 5 is provided with a control screen 17 and a printer 19.

One end of the main water inlet pipe 11 is sequentially connected with a precision filter, an activated carbon filter, a softener and a sand filter.

A two-stage five-membrane hemodialysis water preparation process comprises the following steps:

1) filtering raw water through a raw water pump sand filter to finish primary filtration;

2) the filtered water enters a softener to finish secondary filtration;

3) the filtered water enters an activated carbon filter to finish the third filtration;

4) the filtered water enters a precision filter to finish the fourth filtration;

5) the filtered water enters the water tank from the water inlet main pipe through a first-stage high-pressure pump, and then is filtered for the fifth time through a first-stage RO (reverse osmosis) membrane;

6) the filtered water passes through a second-stage high-pressure pump and then is finally filtered under the action of a second-stage RO membrane;

7) the filtered fresh water enters the hemodialysis machine from a water supply pipe interface of the hemodialysis machine.

When the invention is used, various devices are installed according to actual conditions, raw water is introduced into the sand filter through the raw water pump for filtering, the first filtration is finished, and suspended matters, organic matters, colloidal particles, microorganisms, chlorine, odor, partial heavy metal ions and the like in the water are intercepted and removed; the filtered water enters a softener, the hardness of the raw water is reduced by the softener through a sand filter, and secondary filtration is finished; the filtered water enters an activated carbon filter, and peculiar smell, organic matters, colloid, iron, residual chlorine and the like in the water body are effectively adsorbed by the activated carbon filter, so that the third filtering is completed; the filtered water enters a precision filter, any particles larger than 5um in the water are intercepted, the stable operation of the reverse osmosis membrane is protected, and the fourth filtration is finished; the filtered water enters the water tank from the water inlet main pipe through a first-stage high-pressure pump, and then is filtered for the fifth time through a first-stage RO (reverse osmosis) membrane; the filtered water passes through a second-stage high-pressure pump and then is finally filtered under the action of a second-stage RO membrane, and dissolved salts, colloids, microorganisms, organic matters and the like in the water are removed; the filtered fresh water enters the hemodialysis machine from a water supply pipe interface of the hemodialysis machine; the double-stage reverse osmosis membrane is arranged, so that impurities in water can be better filtered, the quality of pure water is further improved, and the running reliability is high.

The above is only a specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.