CN216737817U

CN216737817U - Anti-negative pressure vacuum device of pure water system

Info

Publication number: CN216737817U
Application number: CN202220295517.8U
Authority: CN
Inventors: 蓝德满; 邱烨; 邹小冬
Original assignee: Guangdong Hengmao Technology Co ltd
Current assignee: Guangdong Hengmao Technology Co ltd
Priority date: 2022-02-14
Filing date: 2022-02-14
Publication date: 2022-06-14
Anticipated expiration: 2032-02-14

Abstract

The utility model discloses a negative pressure prevention vacuum device of a pure water system, which comprises a raw water tank, a raw water pump set, a pretreatment device, a security filter, a high-pressure pump and a reverse osmosis set which are sequentially communicated, wherein a check valve, a butterfly valve and a pressure display meter are sequentially arranged between the raw water pump set and the pretreatment device, the pretreatment device comprises a multi-media filter, an active carbon filter and a water softener which are sequentially communicated, the pressure display meter, an electromagnetic valve and a low-pressure protection switch are arranged between the security filter and the high-pressure pump, a high-pressure protection switch, a gate valve and a check valve are arranged between the high-pressure pump and the reverse osmosis set, a negative pressure prevention assembly is arranged between the pretreatment device and the security filter, the negative pressure prevention assembly comprises a one-way valve and an air inlet pipe, and one end of the one-way valve is movably connected with the air inlet pipe. The utility model has the characteristics of preventing the pipeline from generating negative pressure, ensuring the safety of pretreatment equipment, improving the preparation effect of pure water and the like.

Description

Anti-negative pressure vacuum device of pure water system

Technical Field

The utility model relates to the technical field of pure water preparation, in particular to an anti-negative pressure vacuum device of a pure water system.

Background

In the pure water preparation in-process, because individual equipment breaks down or the during stop work in the pure water system, the system can not detect, the high-pressure pump continues work and impresses pretreatment equipment front end water in the reverse osmosis equipment, when the front end water supply is not enough appearing, do not have during water gets into pretreatment equipment, thereby cause pretreatment equipment to form vacuum environment easily, the pipeline produces the negative pressure, the staff can't in time discover, under the condition that pure water preparation process continues work, pretreatment equipment will take place to inhale flat or burst scheduling problem when serious, the incident appears.

Therefore, in order to ensure that the filter part of the filter in the pretreatment equipment is not damaged due to negative pressure and improve the stability of the system, a negative pressure prevention vacuum device of the pure water system needs to be provided.

SUMMERY OF THE UTILITY MODEL

In order to overcome the technical problems in the prior art, the utility model provides a negative pressure prevention vacuum device of a pure water system.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a pure water system prevent negative pressure vacuum apparatus, includes the former water tank, former water pump package, preprocessing equipment, safety filter ware, high-pressure pump and the reverse osmosis group that communicate in proper order, former water pump package with be equipped with check valve, butterfly valve and pressure display table between the preprocessing equipment in proper order, preprocessing equipment is including many medium filter, active carbon filter, the water softener that communicate in proper order, safety filter ware with be equipped with pressure display table, solenoid valve and low pressure protection switch between the high-pressure pump, the high-pressure pump with be equipped with high pressure protection switch, gate valve and check valve between the reverse osmosis group, preprocessing equipment with be equipped with between the safety filter and prevent the negative pressure subassembly, prevent the negative pressure subassembly and include check valve and intake pipe, the one end of check valve with the intake pipe loose joint.

As a further improvement of the utility model: the other end of the one-way valve is respectively and movably connected with the water outlet pipeline of the water softener and the water inlet pipeline of the security filter.

As a further improvement of the utility model: and a PVC sealing piece is arranged at the port of the one-way valve.

As a further improvement of the utility model: and the water outlet pipelines of the multi-medium filter, the activated carbon filter and the water softener are respectively provided with a pressure display meter and a butterfly valve.

As a further improvement of the utility model: and a liquid level sensor is arranged at the bottom of the raw water tank.

As a further improvement of the utility model: and the water inlet pipeline and the water outlet pipeline of the reverse osmosis group are both provided with a pressure display meter.

As a further improvement of the utility model: a check valve is arranged between the cartridge filter and the negative pressure prevention assembly.

As a further improvement of the utility model: and a pressure display meter is arranged on the cartridge filter.

As a further improvement of the utility model: and a conductivity sensor is arranged on the water outlet pipeline of the water softener.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model prevents the damage to the pretreatment equipment when the pure water preparation system has instrument failure and the pipeline generates negative pressure by arranging the negative pressure prevention component between the water softener and the security filter, prevents the internal pressure of the pretreatment equipment from being the same as the external pressure by opening the check valve when the pipeline generates negative pressure, protects the internal filtering equipment from being shriveled or burst, ensures the safety of the equipment, adopts the mechanical check valve, is not controlled by electronic instruments, can be automatically opened only under the influence of the negative pressure, and can be automatically closed after the negative pressure disappears, thereby having high stability and reliability.

The utility model sets pressure display meters at the water outlet ends of the filters in the raw water pump set and the pretreatment equipment, monitors the pressure condition of a system pipeline in real time, and also sets check valves on the connecting pipeline of the security filter and the negative pressure prevention assembly, the water outlet end of the raw water pump set and the water outlet end of the high pressure pump, thereby preventing the pretreatment equipment from being shriveled and burst due to insufficient water supply and negative pressure generation.

Drawings

Fig. 1 is a first structural schematic diagram of the present invention.

Fig. 2 is a second structural schematic diagram of the present invention.

Fig. 3 is a schematic structural view of the check valve.

Detailed Description

The utility model will now be further described with reference to the accompanying description and examples:

in order to solve the technical problems in the prior art, as shown in fig. 1-3, the utility model discloses a negative pressure prevention vacuum device of a pure water system, which comprises a raw water tank 1, a raw water pump set 2, a pretreatment device 3, a safety filter 34, a high pressure pump 4 and a reverse osmosis set 5 which are sequentially communicated, wherein a check valve 8, a butterfly valve 202 and a pressure display meter 7 are sequentially arranged between the raw water pump set 2 and the pretreatment device 3, the raw water is prevented from flowing back into the raw water pump set 2 by arranging the check valve 8, and the pumping water pressure of the raw water pump set 2 is monitored by the pressure display meter 7.

Pretreatment equipment 3 is including the multimedium filter 31, activated carbon filter 32, the water softener 33 that communicate in proper order, cartridge filter 34 with be equipped with pressure display table 7, solenoid valve 10 and low pressure protection switch 11 between high-pressure pump 4, high-pressure pump 4 with be equipped with high pressure protection switch 12, gate valve 14 and check valve 8 between the reverse osmosis group 5. A check valve 8 is arranged between the high-pressure pump 4 and the reverse osmosis group 5 to prevent the reverse suction in the reverse osmosis group 5 and the water backflow phenomenon when the high-pressure pump 4 pumps air,

a negative pressure preventing assembly 6 is arranged between the pretreatment device 3 and the cartridge filter 34, the negative pressure preventing assembly 6 comprises a one-way valve 61 and an air inlet pipe 62, and one end of the one-way valve 61 is movably connected with the air inlet pipe 62.

Through preventing negative pressure subassembly 6, prevent that pure water preparation system from appearing that the instrument is malfunctioning, supply water not enough, when the pipeline produces the negative pressure, causing the damage to preprocessing equipment 3. When the pipeline produced the negative pressure, check valve 61 opened automatically and made during the outside air got into preprocessing equipment 3, make preprocessing equipment 3's internal pressure the same with the external pressure, protect inside filtration equipment not inhaled flat or burst, guarantee equipment safety, the life of extension equipment, and adopt mechanical type check valve 61, do not receive electronic instrument control, only receive the negative pressure influence, take place the negative pressure condition and just can open automatically, automatic shutdown after the negative pressure disappears, stability and reliability are high.

Preferably, a three-way adapter tube 63 is disposed at the other end of the check valve 61, and the other end of the check valve 61 is respectively and movably connected to the water outlet pipeline of the water softener 33 and the water inlet pipeline of the cartridge filter 34.

Preferably, a port of the one-way valve 61 is provided with a PVC seal 612. When the negative pressure is generated in the pipeline, the one-way valve 61 is opened to ensure that the external air enters the pipeline, so that the pretreatment device 3 is prevented from forming vacuum and damaging the filtering device in the pretreatment device 3.

Preferably, a pressure display meter 7 and a butterfly valve 202 are arranged at the water outlet pipeline of the multi-medium filter 31, the activated carbon filter 32 and the water softener 33. And a butterfly valve 202 is arranged on the water inlet pipelines of the multi-medium filter 31, the activated carbon filter 32 and the water softener 33.

Preferably, the bottom of the raw water tank 1 is provided with a liquid level sensor 101. The water level condition of tap water entering the raw water tank 1 is monitored in real time through the liquid level sensor 101.

Preferably, the water inlet pipeline and the water outlet pipeline of the reverse osmosis group 5 are both provided with a pressure display meter 7. The water pressure of the high-pressure pump 4 pressed into the reverse osmosis group 5 and the water pressure condition of the water outlet end of the reverse osmosis group 5 are monitored by a pressure display meter 7.

Preferably, a pressure display meter 7 is arranged on the cartridge filter 34.

Preferably, an electrical conductivity sensor is arranged on the water outlet pipeline of the water softener 33.

Preferably, the outlet end of the reverse osmosis group 5 is also provided with a rotor flow meter 15, the water flow in the outlet pipeline of the reverse osmosis group 5 is monitored in real time through the rotor flow meter 15 for reference when the pipeline generates a negative pressure condition, and meanwhile, the check valve 8 is arranged to prevent water from back suction and backflow.

The previous description is only exemplary of the utility model, and is provided to enable any person skilled in the art to make or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a negative pressure vacuum apparatus that prevents of pure water system, its characterized in that, is including former water tank, former water pump package, preprocessing equipment, safety filter ware, high-pressure pump and the reverse osmosis group that communicates in proper order, former water pump package with be equipped with check valve, butterfly valve and pressure display table between the preprocessing equipment in proper order, preprocessing equipment is including many medium filter, active carbon filter, the water softener that communicate in proper order, safety filter ware with be equipped with pressure display table, solenoid valve and low pressure protection switch between the high-pressure pump, the high-pressure pump with be equipped with high pressure protection switch, gate valve and check valve between the reverse osmosis group, preprocessing equipment with be equipped with between the safety filter ware and prevent the negative pressure subassembly, prevent the negative pressure subassembly and include check valve and intake pipe, the one end of check valve with the intake pipe loose joint.

2. The anti-negative pressure vacuum device of a pure water system as claimed in claim 1, wherein the other end of the one-way valve is movably connected with the water outlet pipeline of the water softener and the water inlet pipeline of the cartridge filter respectively.

3. The anti-negative-pressure vacuum device of a pure water system of claim 2, wherein a port of the check valve is provided with a PVC seal.

4. The anti-negative-pressure vacuum device of a pure water system as claimed in claim 1 or 3, wherein the outlet pipes of the multi-media filter, the activated carbon filter and the water softener are provided with a pressure display meter and a butterfly valve.

5. The anti-negative pressure vacuum device of a pure water system of claim 1, wherein the bottom of the raw water tank is provided with a liquid level sensor.

6. The anti-negative-pressure vacuum device for the pure water system of claim 4, wherein the water inlet pipeline and the water outlet pipeline of the reverse osmosis group are provided with pressure display gauges.

7. The anti-negative pressure vacuum device of claim 6, wherein the cartridge filter is provided with a pressure display gauge.

8. The anti-negative-pressure vacuum device of a pure water system as claimed in claim 6, wherein the water outlet pipe of the water softener is provided with a conductivity sensor.