CN-224226756-U - Automatic circulation cleaning device of single household water purifying equipment

Abstract

The utility model discloses an automatic circulation cleaning device of single-user water purification equipment, which belongs to the technical field of water filters and comprises a main filter, wherein a ultrafiltration core is arranged in the middle of the main filter, a purified water discharge pipe is arranged at the water outlet end of the ultrafiltration core, a temporary water storage cavity for storing purified water is arranged at the end part of the main filter, the purified water discharge pipe is communicated with the temporary water storage cavity, and the integrated design of the temporary water storage cavity enables the equipment to be more concise and attractive, so that self-cleaning operation can be more conveniently carried out. The main filter is externally provided with a two-way flushing pump, one end of the two-way flushing pump is communicated with the interior of the temporary water storage cavity, the other end of the two-way flushing pump is provided with a three-way valve, at least one end of the three-way valve is communicated with outside air, and the self-cleaning effect is improved by combining two modes of water washing and air washing. When back flushing, the two-way flushing pump introduces external air into the temporary water storage cavity, and the filtered water or air in the temporary water storage cavity is reversely discharged from the ultrafiltration core under the action of pressure.

Inventors

• Hui Shenglan
• LIN FAQING

Assignees

• 福建共盈科技有限公司

Dates

Publication Date

20260512

Application Date

20250724

Claims (10)

1. 1. An automatic cycle cleaning device of single family formula water purification unit, its characterized in that: Comprises a main filter, wherein a ultrafiltration core is arranged in the middle of the main filter, a water outlet end of the ultrafiltration core is provided with a purified water outlet pipe, the end part of the main filter is provided with a temporary water storage cavity for storing purified water, the purified water outlet pipe is communicated with the temporary water storage cavity, The outside of the main filter is provided with a two-way flushing pump, one end of the two-way flushing pump is communicated with the inside of the temporary water storage cavity, the other end of the two-way flushing pump is provided with a three-way valve, and at least one end of the three-way valve is communicated with outside air; When back flushing, the two-way flushing pump introduces external air into the temporary water storage cavity, and the filtered water or air in the temporary water storage cavity is reversely discharged from the ultrafiltration core under the action of pressure.
2. 2. The automatic cycle cleaning apparatus of a single-user type water purification apparatus as claimed in claim 1, wherein: The water purification discharge pipe passes through the temporary water storage cavity and extends to the outside, the end of the water purification discharge pipe positioned at the outside is provided with a water purification valve, and the side wall of the part of the water purification discharge pipe positioned in the temporary water storage cavity is provided with a communication hole.
3. 3. The automatic cycle cleaning apparatus of a single-user type water purification apparatus as claimed in claim 1, wherein: The side wall of the top of the temporary water storage cavity is provided with an electric control air valve, one end of the electric control air valve is communicated with the inside of the temporary water storage cavity, and the other end of the electric control air valve is communicated with one end of the bidirectional flushing pump.
4. 4. The automatic cycle cleaning apparatus of a single-user type water purification apparatus as claimed in claim 3, wherein: The side wall of the bottom of the temporary water storage cavity is provided with an electric control water valve, one end of the electric control water valve is communicated with the inside of the temporary water storage cavity, the other end of the electric control water valve is communicated with one end of the bidirectional flushing pump, and the electric control air valve and the electric control water valve are connected to the same end of the bidirectional flushing pump.
5. 5. The automatic cycle cleaning apparatus of a single-user type water purification apparatus as claimed in claim 4, wherein: Still include spiral wash pipe, spiral wash pipe is located in the main filter, and spiral wash pipe spiral winding in the outside of super filter core, be provided with a plurality of wash holes on the spiral wash pipe, wash the hole orientation the super filter core sets up, the water inlet end of spiral wash pipe with the one end of three-way valve is connected.
6. 6. The automatic cycle cleaning apparatus of a single-user type water purification apparatus as claimed in claim 3, wherein: When the temporary water storage cavity stores water, the electric control air valve is opened, the electric control water valve is closed, the bidirectional flushing pump pumps in the direction of the three-way valve, and the three-way valve opens a channel connected with the outside.
7. 7. The automatic cycle cleaning apparatus of a single-user type water purification apparatus as claimed in claim 6, wherein: When the back flushing is carried out, the electric control air valve is opened, the electric control water valve is closed, the bidirectional flushing pump pumps in the direction of the electric control air valve, and the three-way valve opens a channel connected with the outside.
8. 8. The automatic cycle cleaning apparatus of a single-user type water purification apparatus as claimed in claim 7, wherein: When the outer wall of the ultrafiltration core is washed, the electric control air valve is closed, the electric control water valve is opened, the bidirectional flushing pump pumps in the direction of the three-way valve, and the three-way valve opens a channel connected with the spiral flushing pipe.
9. 9. The automatic cycle cleaning apparatus of a single-user type water purification apparatus as claimed in claim 2, wherein: The communication hole is positioned in the middle of the temporary water storage cavity, and when the liquid level in the temporary water storage cavity is reduced to be below the communication hole, air enters the ultrafiltration core from the communication hole.
10. 10. The automatic cycle cleaning device of a single-user water purification apparatus according to claim 1, wherein a water inlet joint is arranged on the side wall of the main filter, a water inlet control valve is arranged on the water inlet joint, a sewage outlet is arranged at the bottom of the main filter, and a sewage discharge control valve is arranged on the sewage outlet.

Description

Automatic circulation cleaning device of single household water purifying equipment Technical Field The utility model relates to the technical field of water filters, in particular to an automatic circulation cleaning device of single-user water purifying equipment. Background The single-family direct drinking water purifying equipment is specially designed for families, and the technical architecture of the single-family direct drinking water purifying equipment is tightly developed around three major core requirements of small space, high efficiency and low maintenance. The hollow fiber membrane is adopted to ensure better filtering effect, and the hollow fiber ultrafiltration membrane with the outer diameter of 0.5-2.0mm and the inner diameter of 0.3-1.4mm is adopted, so that the miniaturization of the filter element is realized through a high-density winding technology, and the filter element can be easily embedded into a kitchen lower space. Aiming at the characteristics of household water, the pore diameter of the membrane is optimized to be 0.01-0.1 mu m, so that pollutants such as bacteria, colloid and the like can be intercepted, beneficial mineral substances such as calcium, magnesium and the like can be reserved, and 'soft water disease' caused by excessive filtration is avoided. Only needs 1-3bar municipal water pressure can operate, does not need the booster pump, reduces equipment noise when reducing the energy consumption, is more suitable for family silence environment. However, the existing single-household filtering equipment is small in size, a back flushing tank is additionally added to clean the filter element, the cleaning effect is poor, and the equipment is too complex. Disclosure of utility model The present utility model is directed to solving the above-described problems. The utility model aims to provide an automatic circulation cleaning device of single-household water purifying equipment, which solves the problems, in the single-household direct drinking equipment, the combination of an ultrafiltration membrane and a self-cleaning function realizes the double breakthrough of 'efficient filtration and long-acting maintenance', the self-cleaning technology reduces the filter element replacement frequency, and the annual maintenance cost of single-household direct drinking equipment can be saved by more than 50%. The scheme adopted by the embodiment is that the automatic circulation cleaning device of the single-user water purifying equipment comprises a main filter, wherein the middle part of the main filter is provided with a ultrafiltration core, the water outlet end of the ultrafiltration core is provided with a purified water discharge pipe, the end part of the main filter is provided with a temporary water storage cavity for storing purified water, the purified water discharge pipe is communicated with the temporary water storage cavity, and the equipment is more concise and attractive due to the integrated design of the temporary water storage cavity. The main filter is externally provided with a bidirectional flushing pump, one end of the bidirectional flushing pump is communicated with the interior of the temporary water storage cavity, the other end of the bidirectional flushing pump is provided with a three-way valve, at least one end of the three-way valve is communicated with outside air, and the self-cleaning effect is improved by combining two modes of water washing and air washing. When back flushing, the two-way flushing pump introduces external air into the temporary water storage cavity, and the filtered water or air in the temporary water storage cavity is reversely discharged from the ultrafiltration core under the action of pressure. The water purifying device is characterized in that part of water can be stored in the temporary water storage cavity for self cleaning during normal water supply, the water purifying discharge pipe penetrates through the temporary water storage cavity and extends to the outside, a water purifying valve is arranged at the end part of the water purifying discharge pipe, which is positioned at the outside, and a communication hole is arranged on the part of the side wall of the water purifying discharge pipe, which is positioned in the temporary water storage cavity. The inside atmospheric pressure of control temporary water storage chamber comes control water storage and drainage, temporary water storage chamber top lateral wall is provided with automatically controlled pneumatic valve, automatically controlled pneumatic valve's one end with the inside intercommunication of temporary water storage chamber, the other end with the one end intercommunication of two-way flushing pump. For convenient control is discharged the water in interim water storage chamber and is cleaned, interim water storage chamber bottom lateral wall is provided with automatically controlled water valve, automatically controlled water valve one end with int