Automatic control unit type filtering and purifying device

Abstract

The utility model provides an automatic control unit type filtering and purifying device which comprises a plurality of groups of purifying units running in parallel, each purifying unit comprises a hair collector, the hair collector is connected with a circulating water pump, and the circulating water pump is respectively connected with a water inlet and a water outlet of a filter through an equipment water inlet pipe. The water outlet of the filter is connected with a circulating water outlet pipe; a circulating water inlet electric valve and a circulating water pump water outlet valve are arranged on the equipment water inlet pipe connected with the circulating water pump and the water inlet of the filter; a circulating water pump water outlet valve and a backwashing water inlet electric valve are arranged on the equipment water inlet pipe connected with the circulating water pump and the water outlet of the filter; a backwashing drainage electric valve is arranged on the backwashing drainage pipe; and a circulating water outlet electric valve is arranged on the circulating water outlet pipe. The device is simple in structure, convenient to operate and construct, capable of saving construction site labor and later operation and maintenance operation, avoiding material waste, reducing initial investment and beneficial to large-scale popularization.

Description

Technical Field

[0001] The utility model relates to the technical field of water treatment, in particular to an automatic control unit type filtering and purifying device. Background Art

[0002] The installation of swimming pool water treatment system includes: water treatment circulation filtration equipment, disinfection and dosing system equipment, swimming pool heating and constant temperature system equipment, etc.

[0003] The existing problems of swimming pool water treatment system are as follows: 1. It involves many types and quantities of equipment, pipeline valves, which are messy and easy to lose when sent to the construction site; 2. At present, there is a shortage of construction workers, and all equipment and materials need to be installed on site, which requires construction workers to carry out on-site management planning and material matching, which has high requirements on workers' construction experience, construction technology and number of personnel, and inaccurate configuration of materials will cause waste; 3. Swimming pool water treatment equipment, especially large swimming pools, is tall and complex to install. It involves many pipeline valves and generally uses ordinary valves. It faces many problems such as many valves, high operating positions, large switch operating forces, and multiple operating sequences. It is inconvenient to operate, low efficiency, and high requirements for operators; 4. At present, the operating sites of the swimming pool industry generally face problems such as high initial investment in equipment, high operating costs, and high labor costs. Summary of the invention

[0004] In view of the deficiencies in the prior art, the utility model provides an automatic control unit type filtering and purification device and a purification method thereof, in which circulating water pumps and quartz sand filters are matched one by one, and multiple groups are operated in parallel. The number of operating groups of each group can be increased according to the flow of people in the venue. The unit is equipped with an electric valve and a unit-type PLC control cabinet to realize simple automatic operation or remote operation of the water purification function.

[0005] The technical solution adopted by the utility model is:

[0006] An automatic control unit type filtering and purifying device, wherein: it comprises a plurality of purification units operating in parallel, each purification unit comprises a hair collector, a circulating water pump, a quartz sand filter and a valve assembly, the hair collector is connected to the circulating water pump, the quartz sand filter is provided with a filter water inlet and a filter water outlet, the circulating water pump is respectively connected to the filter water inlet and the filter water outlet of the quartz sand filter through an equipment water inlet pipe, the filter water inlet is connected to a backwashing drain pipe, and the filter water outlet is connected to a circulating water outlet pipe;

[0007] The valve assembly includes a circulating water inlet electric valve, a backwash sewage discharge electric valve, a backwash water inlet electric valve, a circulating water outlet electric valve, a circulating water pump outlet valve, a vent valve and an automatic exhaust valve, and the valve assembly is connected to a PLC control cabinet;

[0008] A circulating water inlet electric valve and a circulating water pump outlet valve are arranged on the water inlet pipe of the equipment connected with the water inlet of the circulating water pump and the filter, and a circulating water pump outlet valve and a backwashing water inlet electric valve are arranged on the water inlet pipe of the equipment connected with the water outlet of the circulating water pump and the filter; a backwashing sewage electric valve is arranged on the backwashing drain pipe, and a circulating water outlet electric valve is arranged on the circulating water outlet pipe;

[0009] An automatic exhaust valve is arranged at the top of the quartz sand filter, and a vent valve is arranged at the bottom of the quartz sand filter.

[0010] Preferably, in the automatic control unit type filtering and purifying device, a hair collector water inlet pipe is provided on the hair collector.

[0011] Preferably, the automatic control unit type filtering and purification device, wherein: a manhole and a hanging lug are arranged on the top of the quartz sand filter, a trial mirror is arranged on the outside of the quartz sand filter, a sand discharge port is arranged at the bottom of the quartz sand filter, and a base is arranged on the lower side of the quartz sand filter.

[0012] Preferably, in the automatic control unit type filtering and purifying device, pressure gauges are provided on the water inlet and the water outlet of the filter.

[0013] Preferably, in the automatic control unit type filtering and purifying device, a backwashing observation window is provided on the backwashing drain pipe.

[0014] The working time of each unit can be set through its configured PLC; each swimming pool is equipped with several units, and the working time and number of working sets of each unit can be set remotely; this makes it easy for the swimming pool operator to adjust the operation of the water treatment system according to the number of swimmers each day, realizing automatic, energy-saving and efficient operation.

[0015] Advantages of the utility model:

[0016] (1) The automatic control unit type filtration and purification device of the utility model comprises a hair collector, a circulating water pump, a quartz sand filter, a PLC control cabinet, an electric valve group, a backwashing observation window, connecting pipes and a mounting bracket. The device contains two parts: pre-purification and filtration and purification: pre-purification - removing solids and hair, leaves, fibers and other debris in the used swimming pool water so that the equipment of the pool water circulation purification system can be used normally; filtration and purification remove various suspended matter, pollutant particles and bacteria in the pool water, thereby reducing the turbidity of the pool water and ensuring that the pool water quality reaches the specified cleanliness and comfort level. The device has completed equipment manufacturing, preliminary assembly of pipes and valves, debugging and trial operation when it leaves the factory. The user only needs to place the automatic filtration and purification device in the machine room and assemble it according to the diagram, connect the pipes and electronic control, and start it for operation.

[0017] (2) The automatic control unit type filtering and purification device and purification method of the utility model have a simple structure, are easy to operate, and are convenient for construction. They save manpower on the construction site and subsequent operation and maintenance, avoid waste of materials on the construction site, and have a lower cost than large-scale automation investment models, thus reducing initial investment and facilitating large-scale promotion. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the automatic control unit type filtering and purification device of the utility model.

[0019] Figure 2 It is a partial structural schematic diagram of the automatic control unit type filtering and purification device of the utility model.

[0020] Figure 3 It is an arrow flow chart of the initial backwashing and backwashing sewage discharge steps of the utility model.

[0021] Figure 4 It is an arrow flow chart of the normal circulation filtering steps of the utility model. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with specific drawings and embodiments.

[0023] Example 1

[0024] like Figure 1-2 , an automatic control unit type filtering and purification device, comprising a plurality of purification units running in parallel, each purification unit comprising a hair collector 1, a circulating water pump 2, a quartz sand filter 3 and a valve assembly 5, the hair collector 1 is connected to the circulating water pump 2, the quartz sand filter 3 is provided with a filter water inlet 16 and a filter water outlet 17, the circulating water pump 2 is respectively connected to the filter water inlet 16 and the filter water outlet 17 of the quartz sand filter 3 through an equipment water inlet pipe 6, the filter water inlet 16 is connected to a backwashing drain pipe 7, and the filter water outlet 17 is connected to a circulating water outlet pipe 8;

[0025] The valve assembly 5 includes a circulating water inlet electric valve 51, a backwashing sewage discharge electric valve 52, a backwashing water inlet electric valve 53, a circulating water outlet electric valve 54, a circulating water pump outlet valve 55, a vent valve 56 and an automatic exhaust valve 57. The valve assembly 5 is connected to the PLC control cabinet 4;

[0026] A circulating water inlet electric valve 51 and a circulating water pump outlet valve 55 are provided on the equipment water inlet pipe 6 connected to the circulating water pump 2 and the filter water inlet 16, and a circulating water pump outlet valve 55 and a backwashing water inlet electric valve 53 are provided on the equipment water inlet pipe 6 connected to the circulating water pump 2 and the filter water outlet 17; a backwashing sewage electric valve 52 is provided on the backwashing drain pipe 7, and a circulating water outlet electric valve 54 is provided on the circulating water outlet pipe 8;

[0027] An automatic exhaust valve 57 is provided at the top of the quartz sand filter 3 , and a vent valve 56 is provided at the bottom of the quartz sand filter 3 .

[0028] A hair collector water inlet pipe 9 is arranged on the hair collector 1, a manhole 10 and a hanging ear 15 are arranged on the top of the quartz sand filter 3, a trial mirror 11 is arranged on the outside of the quartz sand filter 3, a sand discharge port 13 is arranged at the bottom of the quartz sand filter 3, and a base 14 is arranged on the lower side of the quartz sand filter 3; pressure gauges 12 are arranged on the filter water inlet 16 and the filter water outlet 17; and a backwashing observation window 18 is arranged on the backwashing drain pipe 7.

[0029] Example 2

[0030] A method for purification using an automatic control unit type filtering and purification device, comprising the following steps:

[0031] Step S1. Figure 3 , Initial backwashing: close the circulating water inlet electric valve 51 and the circulating water outlet electric valve 54, and open the backwash water inlet electric valve 53 and the circulating water pump outlet valve 55, water slowly penetrates into the filter bed of the quartz sand filter 3 from bottom to top, and open the automatic exhaust valve 57 to discharge the air in the pores of the filter layer through the automatic exhaust valve 57, and then open the backwash sewage discharge electric valve 52 to discharge the sewage to the backwash drain pipe 7 and keep it for 10-15 minutes. Multiple flushing can be performed according to the cleanliness of the filter material. When the water flow in the backwash observation window 18 is observed to be clean and transparent, stop the initial backwashing step;

[0032] Step S2. Figure 4 , Normal circulation filtration: open the circulating water inlet electric valve 51, the circulating water outlet electric valve 54 and the circulating water pump outlet valve 55, and close the backwash sewage discharge electric valve 52 and the backwash water inlet electric valve 53, the swimming pool water enters the hair collector 1 for pre-filtration, the pre-filtered water enters the filter inlet 16 of the quartz sand filter 3, and then enters the quartz sand filter 3, after being filtered and purified by the quartz sand filter 3, it flows into the circulating water outlet pipe 8 from the filter outlet 17, and finally performs the constant temperature and drug addition disinfection process, and finally returns to the swimming pool, realizing the purification, heating, disinfection and other treatments of the swimming pool water;

[0033] Step S3. Figure 3 , backwashing and sewage discharge: With the accumulation of normal filtering time of the filter during swimming, the accumulated dirt on the filter bed surface of the quartz sand filter 3 gradually increases, the filtering resistance increases, and the filtering effect is affected. When the pressure difference of the pressure gauge 12 of the filter inlet 16 and the filter outlet 17 reaches 0.06Mpa, backwashing is performed;

[0034] The backwashing is specifically as follows: open the backwash sewage discharge electric valve 52, the backwash water inlet electric valve 53 and the circulating water pump outlet valve 55, close the circulating water inlet electric valve 51 and the circulating water outlet electric valve 54, and the swimming pool water enters the hair collector 1 for pre-filtration. The pre-filtered water enters the circulating water pump 2 and the filter outlet 17 in turn, and then enters the quartz sand filter 3, and is rinsed from bottom to top. The sewage enters the backwash drain pipe 7 and is discharged to the municipal drain pipe. The backwashing time is 6-7 minutes, thereby achieving the purpose of cleaning the quartz sand.

[0035] The return water of the swimming pool is pre-purified through the hair collector 1 to remove solids and debris such as hair, leaves, fibers, etc. in the used swimming pool water, so that the equipment of the pool water circulation purification system can be used normally. The pre-purified water is powered by the circulating water pump 2 and enters the quartz sand filter 3 to remove various suspended matter, pollutant particles and bacteria in the pool water, thereby reducing the turbidity of the pool water, and then enters other unit systems.

[0036] The automatic control unit type filtration and purification device includes a hair collector, a circulating water pump, a quartz sand filter, a PLC control cabinet, an electric valve group, a backwash observation window, connecting pipes and mounting brackets. This device contains two parts: pre-purification and filtration and purification: pre-purification - remove solids and hair, leaves, fibers and other debris in the used swimming pool water, so that the equipment of the pool water circulation purification system can be used normally; filtration and purification remove various suspended matter, pollutant particles and bacteria in the pool water, thereby reducing the turbidity of the pool water and ensuring that the pool water quality reaches the specified cleanliness and comfort level. The device has completed equipment manufacturing, preliminary assembly of pipes and valves, debugging, and trial operation when it leaves the factory. The user only needs to put the automatic filtration and purification device in the machine room and assemble it according to the drawing, connect the pipeline and the electric control to start and put it into operation. The automatic control unit type filtration and purification device has a simple structure, is easy to operate, and is easy to construct. It saves labor and later operation and maintenance operations on the construction site, avoids waste of materials on the construction site, and the cost is relatively large-scale automation investment mode, which reduces the initial investment and is conducive to large-scale promotion.

[0037] The automatic control unit type filtering and purification device and the purification method of the utility model have the functions of automatic and manual control and automatic start and stop; the PLC control cabinet is a human-machine interface HMI, and the touch control operation screen realizes the operation functions of the electric valve group and the water pump, filtering the water inlet, filtering the water outlet, backwashing the water inlet, and backwashing the water outlet; a functional interface for remote monitoring of the opening, closing and fault status of each mechanical equipment is reserved; in case of fault, it has an alarm function, an abnormal filter pressure difference alarm, and the function is optional, the filter water inlet or water outlet valve open / closed in place fault alarm, and the water pump overload protection fault alarm; it has the function of collecting various data and automatically generating various operating data and reports, and the control system reserves a communication interface with the outside world.

[0038] Finally, it should be noted that the above specific implementation methods are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to examples, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. An automatic control unit type filtering and purification device, characterized in that: The invention comprises a plurality of purification units operating in parallel, each purification unit comprising a hair collector (1), a circulating water pump (2), a quartz sand filter (3) and a valve assembly (5), the hair collector (1) being connected to the circulating water pump (2), the quartz sand filter (3) being provided with a filter water inlet (16) and a filter water outlet (17), the circulating water pump (2) being connected to the filter water inlet (16) and the filter water outlet (17) of the quartz sand filter (3) respectively through an equipment water inlet pipe (6), the filter water inlet (16) being connected to a backwashing drain pipe (7), and the filter water outlet (17) being connected to a circulating water outlet pipe (8); The valve assembly (5) comprises a circulating water inlet electric valve (51), a backwash sewage discharge electric valve (52), a backwash water inlet electric valve (53), a circulating water outlet electric valve (54), a circulating water pump outlet valve (55), a vent valve (56) and an automatic exhaust valve (57), and the valve assembly (5) is connected to a PLC control cabinet (4); A circulating water inlet electric valve (51) and a circulating water pump outlet valve (55) are provided on the equipment water inlet pipe (6) connected to the circulating water pump (2) and the filter water inlet (16); a circulating water pump outlet valve (55) and a backwashing water inlet electric valve (53) are provided on the equipment water inlet pipe (6) connected to the circulating water pump (2) and the filter water outlet (17); a backwashing sewage discharge electric valve (52) is provided on the backwashing drainage pipe (7); and a circulating water outlet electric valve (54) is provided on the circulating water outlet pipe (8); An automatic exhaust valve (57) is provided at the top of the quartz sand filter (3), and a vent valve (56) is provided at the bottom of the quartz sand filter (3).

2. The automatic control unit type filtering and purification device according to claim 1, characterized in that: The hair collector (1) is provided with a hair collector water inlet pipe (9).

3. The automatic control unit type filtering and purifying device according to claim 1, characterized in that: A manhole (10) and a lifting lug (15) are arranged on the top of the quartz sand filter (3), a test mirror (11) is arranged on the outside of the quartz sand filter (3), a sand discharge port (13) is arranged on the bottom of the quartz sand filter (3), and a base (14) is arranged on the lower side of the quartz sand filter (3).

4. The automatic control unit type filtering and purifying device according to claim 1, characterized in that: Pressure gauges (12) are provided on the filter water inlet (16) and the filter water outlet (17).

5. The automatic control unit type filtering and purifying device according to claim 1, characterized in that: A backwash observation window (18) is provided on the backwash drainage pipe (7).

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