Complete sets of equipment for supplying drinking water in field

A complete set of equipment for supplying drinking water in field, comprising:

• a multi-stage filtration unit, a reverse osmosis unit, and a power control unit connected by a plug-in pipeline, wherein the multi-stage filtration unit, the reverse osmosis unit, and the power control unit are units respectively carried by a single person and have frames with rectangular outer contours;
• the multi-stage filtration unit including a first raw water inlet, a first pre-filter, a pressure pump, a ceramic membrane separator, a multi-media filter, an ultraviolet sterilizer, and a first purified water outlet connected by a pipe, wherein the first pre-filter, the pressure pump, the ceramic membrane separator, the multi-media filter, and the ultraviolet sterilizer are fixed in the frame;
• the multi-stage filtration unit further including a first relief switch, a second relief switch, and a third relief switch, wherein a water inlet of the first relief switch is connected with a water outlet cavity of the first pre-filter, a water inlet of the second relief switch is connected with a water outlet cavity of the ceramic membrane separator, a water inlet of the third relief switch is connected with a water outlet cavity of the multi-media filter, and water outlets of the first relief switch, the second relief switch, and the third relief switch are connected with a first relief port of the multi-stage filtration unit;
• the multi-stage filtration unit further including a reclaimed water outlet and a water purification mode switching valve, wherein the water purification mode switching valve has two states of connecting the water outlet cavity of the ceramic membrane separator with the reclaimed water outlet and connecting the water outlet cavity of the multi-media filter and the water inlet cavity of the ultraviolet sterilizer;
• and
• the reverse osmosis unit including a second raw water inlet, a second pre-filter, a high-pressure pump, a reverse osmosis membrane filter, and a second purified water outlet connected by the pipe, wherein the second pre-filter, the high-pressure pump, and the reverse osmosis membrane filter are fixed in the frame, the reverse osmosis unit has a first relief valve, a second relief valve, and a shut-off regulating valve, a water inlet of the first relief valve is connected with a water outlet cavity pipe of the second pre-filter, a water inlet of the second relief valve is connected with a water outlet pipe of the reverse osmosis membrane filter, a water inlet of the shut-off regulating valve is connected with a water inlet cavity pipeline of the reverse osmosis membrane filter, and the first relief valve, water outlets of the second relief valve, and the shut-off regulating valve are connected with a second relief port of the reverse osmosis unit.