Pendulum type electric adsorption water treatment device

Abstract

The present invention relates to the field of water treatment technology, specifically to a pendulum-type electric adsorption water treatment device, which overcomes the problem that existing deionization devices cannot discharge water stably. The device has a raw water inlet, a first water pump, a second water pump, an adsorption module, a first solenoid valve, a second solenoid valve, a water production port and a sewage outlet; the adsorption module is composed of an inlet and outlet water cover, at least one adsorption component and a sealing cover, the inlet and outlet water cover is provided with a first and a second water inlet and a first and a second water outlet, the first water outlet is communicated with the first solenoid valve, the second water outlet is communicated with the second solenoid valve, the first solenoid valve and the second solenoid valve have a clean water outlet and a sewage outlet, the first water inlet is connected to the first water pump, and the second water inlet is connected to the second water pump, the adsorption component has a first adsorption electrode plate, a first positive membrane plate, a first screen plate, a negative membrane plate, a second screen plate, a second positive membrane plate and a second adsorption electrode plate, the first screen plate is communicated with the first water inlet and the first water outlet, the second screen plate is communicated with the second water inlet and the second water outlet.

Description

Technical Field

[0001] The present invention relates to the technical field of water treatment, in particular to a pendulum-type electric adsorption water treatment device. Background Art

[0002] An effective method for removing salt ions from sewage is to use the method of electrical adsorption. The whole process has the steps of applying a forward voltage for adsorption and applying a reverse voltage for desorption. During adsorption, ions are adsorbed onto the electrode. When the ions accumulate to a certain level, the adsorption capacity of the electrode decreases. At this time, the electrode is repaired by desorption. Clean water is produced during adsorption and sewage is discharged during desorption. The existing one-way chamber membrane capacitor electrical adsorption device has all chambers adsorbing and desorbing at the same time, and the process is carried out in different time periods on the same device. This device with a long interval between each water production causes obvious instability in the water output during operation. Water storage and water delivery devices need to be added between the water outlet and the next water treatment device, which increases the design difficulty and complexity of the entire water treatment system. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide an adsorption and desorption water treatment device that can produce water as continuously as possible, thereby overcoming the problem that the existing deionization water treatment device cannot produce water stably.

[0004] The technical solution adopted by the present invention to solve its technical problem is: a pendulum-type electric adsorption water treatment device, comprising a raw water inlet, a first water pump, a second water pump, an adsorption module, a first solenoid valve, a second solenoid valve, a water outlet and a sewage outlet;

[0005] The adsorption module is composed of an upright water inlet and outlet cover, at least one adsorption component and a sealing cover. The outer end surface of the water inlet and outlet cover is provided with a first water inlet, a second water inlet, a first water outlet and a second water outlet. The first water inlet is connected to the first water pump, the second water inlet is connected to the second water pump, the first water outlet is communicated with the access port of the first solenoid valve, and the second water outlet is communicated with the access port of the second solenoid valve. The first solenoid valve and the second solenoid valve are respectively provided with a clean water outlet and a sewage outlet. The clean water outlet is communicated with the water production port, the sewage outlet is communicated with the sewage outlet, and the raw water inlet is connected to the first water pump and the second water pump;

[0006] The adsorption assembly includes a first adsorption electrode plate, a first cation membrane plate, a first screen plate, a cathode membrane plate, a second screen plate, a second cation membrane plate, and a second adsorption electrode plate stacked in sequence, wherein a first mesh portion inside the first screen plate is connected to the first water inlet and the first water outlet to form a first adsorption channel, and a second mesh portion inside the second screen plate is connected to the second water inlet and the second water outlet to form a second adsorption channel;

[0007] The water treatment device also has an electronic controller for applying voltages in different directions to the first adsorption electrode plate and the second adsorption electrode plate and switching the first solenoid valve and the second solenoid valve to three states: closing the access port, connecting the access port to the clean water outlet, and connecting the access port to the sewage outlet.

[0008] In order to form a good water flow space between the positive membrane plate and the negative membrane plate, the first partition plate has a first outer frame portion of the outer circle, and the thickness of the first grid portion is less than the thickness of the first outer frame portion; the second partition plate has a second outer frame portion of the outer circle, and the thickness of the second grid portion is less than the thickness of the second outer frame portion.

[0009] A specific structure that is connected to form a first adsorption channel and a second adsorption channel is that the first water inlet and the second water inlet are located at the upper part of the outer end surface of the inlet and outlet cover, and the first water outlet and the second water outlet are located at the lower part of the outer end surface of the inlet and outlet cover. Each plate of the adsorption component has a row of water holes in the upper and lower parts, and four water grooves are provided on the inner end surface of the water inlet and outlet cover. The four water grooves are respectively connected with the first water inlet, the second water inlet, the first water outlet and the second water outlet. The holes arranged at odd positions in each row of water holes on each plate are odd holes, and the holes arranged at even positions are even holes. Each group of odd holes and even holes in the upper and lower parts are connected to a water groove. The first grid part and the second grid part are connected at their respective upper parts by interconnected drainage holes and different water grooves, and at their respective lower parts by interconnected drainage holes and different water grooves.

[0010] Specifically, the adsorption assembly also includes a first current collecting plate attached to the other side of the first adsorption electrode plate, a first conductive plate attached to the first current collecting plate, a second current collecting plate attached to the other side of the second adsorption electrode plate, and a second conductive plate attached to the second current collecting plate.

[0011] Specifically, the first partition board and the second partition board are made of PVC, PP or PC boards.

[0012] In order to make the adsorption and desorption water flows at different speeds and make the operation of the entire water treatment device more economical and reasonable, the motors of the first water pump and the second water pump are variable frequency motors, which are controlled and regulated by electrical control.

[0013] The beneficial effects of the present invention are as follows: the present invention arranges the electric adsorption device into two chambers, and the water outlet of the two chambers is controlled by the solenoid valve to be alternately connected to the first water pump and the second water pump. The continuous operation of the water pump forms an electric adsorption device similar to a pendulum-like water production and pendulum-like sewage discharge at the same time. The first water pump is close to continuously producing clean water. The electric adsorption water treatment device is a device that can produce water relatively stably and continuously, and the device can achieve different water flow rates for adsorption and desorption, and the device is more economical and reasonable. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the composition and connection relationship of the present invention;

[0015] Figure 2 is an exploded view of the adsorption module of the present invention;

[0016] Figure 3 It is a schematic diagram of two adsorption channels on an adsorption component in the present invention;

[0017] Figure 4 is a three-dimensional diagram of the adsorption module of the present invention;

[0018] Figure 5 It is a schematic diagram showing the arrangement of water holes and water troughs on the adsorption module of the present invention.

[0019] In the figure: 1, adsorption module, 1-1, water inlet and outlet cover, 1-2, sealing cover, 1-3, first water inlet, 1-4, second water inlet, 1-5, first water outlet, 1-6, second water outlet, 1-7, first adsorption electrode plate, 1-8, first cation membrane plate, 1-9, first screen plate, 1-10, cathode membrane plate, 1-11, second screen plate, 1-12, second cation membrane plate, 1-13, second adsorption electrode plate, 1-14, water hole, 1-15, water trough, 1-16, first current collecting plate, 1-17, first conductive plate, 1-18, second current collecting plate, 1-19, second conductive plate, 1-30, first adsorption channel, 1-40, second adsorption channel;

[0020] 2. First solenoid valve;

[0021] 3. Second solenoid valve;

[0022] 4. First water pump;

[0023] 5. Second water pump. DETAILED DESCRIPTION

[0024] The present invention further illustrates the technical features with the following embodiments in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following embodiments.

[0025] As attached Figure 1 A schematic diagram of the composition of a pendulum-type electric adsorption water treatment device, comprising a raw water inlet, a first water pump 4, a second water pump 5, an adsorption module 1, a first solenoid valve 2, a second solenoid valve 3, a water outlet, and a sewage outlet;

[0026] Combined with attachment Figure 2 As shown, the adsorption module 1 is composed of an upright water inlet and outlet cover 1-1, at least one adsorption component and a cover 1-2. Figure 4, a first water inlet 1-3, a second water inlet 1-4, a first water outlet 1-5 and a second water outlet 1-6 are provided on the outer end surface of the water inlet and outlet cover 1-1. The first water inlet 1-3 is communicated with the raw water inlet via the first water pump 4, and the second water inlet 1-4 is communicated with the raw water inlet via the second water pump 5. The first water outlet 1-5 is communicated with the access port of the first solenoid valve 2, and the second water outlet 1-6 is communicated with the access port of the second solenoid valve 3. The first solenoid valve 2 and the second solenoid valve 3 are respectively provided with a clean water outlet and a sewage outlet. The clean water outlet is communicated with the water production port, and the sewage outlet is communicated with the sewage outlet. The aforementioned communication is achieved by pipes;

[0027] Still see attached Figure 2 The adsorption assembly includes a first adsorption electrode plate 1-7, a first cation membrane plate 1-8, a first screen plate 1-9, a cathode membrane plate 1-10, a second screen plate 1-11, a second cation membrane plate 1-12, and a second adsorption electrode plate 1-13 stacked in sequence. The first grid portion inside the first screen plate 1-9 is connected to the first water inlet 1-3 and the first water outlet 1-5 to form a first adsorption channel 1-30. The second grid portion inside the second screen plate 1-11 is connected to the second water inlet 1-4 and the second water outlet 1-6 to form a second adsorption channel 1-40. The forms of the two adsorption channels are shown in the attached figure. Figure 3 ;

[0028] The first screen plate 1-9 has a first outer frame portion of the outer circle, and the thickness of the first mesh portion is less than the thickness of the first outer frame portion; the second screen plate 1-11 has a second outer frame portion of the outer circle, and the thickness of the second mesh portion is less than the thickness of the second outer frame portion, so that the treated water can fall slowly and form small water droplets splashing toward the yin and yang membrane plates, making it easy for ions to be adsorbed;

[0029] The first water inlet 1-3 and the second water inlet 1-4 are located at the upper part of the outer end surface of the water inlet and outlet cover 1-1, the first water outlet 1-5 and the second water outlet 1-6 are located at the lower part of the outer end surface of the water inlet and outlet cover 1-1, and each plate of the adsorption component has a row of water holes 1-14 in the upper and lower parts, and the inner end surface of the water inlet and outlet cover 1-1 has four water grooves 1-15, two water grooves 1-15 are set at the upper and lower parts of the inner end surface, and the four water grooves 1-15 are connected to the first water inlet 1-3, the second water inlet 1- 4. The first water outlet 1-5 and the second water outlet 1-6 are connected. In each row of water holes 1-14 on each plate, the holes arranged at odd-numbered positions are odd-numbered holes, and the holes arranged at even-numbered positions are even-numbered holes. Each group of odd-numbered holes and even-numbered holes in the upper and lower parts are connected to a water channel 1-15. The first grid portion and the second grid portion are connected at their respective upper parts by the connected drainage holes 1-14 and different water channels 1-15, and at their respective lower parts by the connected drainage holes 1-14 and different water channels 1-15.

[0030] The adsorption assembly further includes a first current collecting plate 1-16 attached to the other side of the first adsorption electrode plate 1-7, a first conductive plate 1-17 attached to the first current collecting plate 1-16, a second current collecting plate 1-18 attached to the other side of the second adsorption electrode plate 1-13, and a second conductive plate 1-19 attached to the second current collecting plate 1-18;

[0031] The water treatment device also has an electronic controller for applying voltages in different directions to the first adsorption electrode plate 1-7 and the second adsorption electrode plate 1-13 and switching the first solenoid valve 2 and the second solenoid valve 3 to three states: closing the inlet, connecting the inlet to the clean water outlet, and connecting the inlet to the sewage outlet.

[0032] The first partition board 1-9 and the second partition board 1-11 are made of PVC, PP or PC boards.

[0033] The working process of the device of the present invention is as follows:

[0034] (1) The raw water to be treated is connected to the first water pump 4 and the second water pump 5. The raw water can also be water treated by the previous water treatment method;

[0035] (2) The adsorption and production of water in the first adsorption channel applies a negative voltage and a positive voltage to the first adsorption electrode plate 1-7 and the second adsorption electrode plate 1-13 respectively, the first solenoid valve 2 connects the first water outlet 1-5 with the clean water outlet, the second solenoid valve 3 closes the second water outlet 1-6, and the first water pump 4 is started to realize the adsorption and production of water in the first adsorption channel 1-30;

[0036] (3) Stopping adsorption of the first adsorption channel and discharging of residual clean water The adsorption and water production of the first adsorption channel 1-30 continues until the set adsorption time. The first adsorption electrode plate 1-7 and the second adsorption electrode plate 1-13 are powered off, but the first adsorption channel 1-30 continues to discharge water for 5 to 10 seconds. This is to improve the utilization rate of water and completely discharge the treated water in the pipeline and chamber. After that, the first solenoid valve 2 closes the first water outlet 1-5 and closes the first adsorption channel 1-30.

[0037] (4) After the desorption and drainage of the first adsorption channel and the adsorption and water production electrode plates of the second adsorption channel are powered off for 5 to 10 seconds, the second water pump 5 is started, and a positive voltage and a negative voltage are applied to the first adsorption electrode plates 1-7 and the second adsorption electrode plates 1-13 respectively. After applying the voltage for 10 to 30 seconds (this time is the start time of desorption of the first adsorption channel 1-30 and the start time of adsorption of the second adsorption channel 1-40), the second solenoid valve 3 connects the second water outlet 1-6 with the clean water outlet to achieve adsorption and water production of the second adsorption channel 1-40. At the same time as the voltage is applied for 10 to 30 seconds, the first solenoid valve 2 connects the first water outlet 1-5 with the sewage outlet to achieve desorption and drainage of the first adsorption channel 1-30. After desorption reaches the set time, the first solenoid valve 2 closes the first water outlet 1-5; the set desorption time is less than the set adsorption time;

[0038] (5) Stopping adsorption of the second adsorption channel and discharge of residual clean water The second adsorption channel 1-40 continues to adsorb water until the set adsorption time. The first adsorption electrode plate 1-7 and the second adsorption electrode plate 1-13 are powered off, but the second adsorption channel 1-40 continues to discharge water for 5 to 10 seconds. The second solenoid valve 3 closes the second water outlet 1-6 and closes the second adsorption channel 1-40.

[0039] (6) After the desorption and drainage of the second adsorption channel and the adsorption and water production of the first adsorption channel are powered off for 5 to 10 seconds, a negative voltage and a positive voltage are applied to the first adsorption electrode plate 1-7 and the second adsorption electrode plate 1-13 respectively. After applying the voltage for 10 to 30 seconds (this time is the start time of desorption of the second adsorption channel 1-40 and the start time of adsorption of the first adsorption channel 1-30), the first solenoid valve 2 connects the first water outlet 1-5 with the clean water outlet to achieve adsorption and water production of the first adsorption channel 1-30. At the same time as the voltage is applied for 10 to 30 seconds, the second solenoid valve 3 connects the second water outlet 1-6 with the sewage outlet to achieve desorption and drainage of the second adsorption channel 1-40. After desorption reaches the set time, the second solenoid valve 3 closes the second water outlet;

[0040] (7) The adsorption of water and the desorption of sewage are carried out alternately. The first water pump 4 and the second water pump 5 keep working and cycle through the processes (3) to (6).

[0041] The adsorption time set in process (3) is 15 to 25 minutes, and the desorption time set in process (4) is 5 to 15 minutes. The specific adsorption and desorption time is determined according to the performance parameter design of each component in the device.

[0042] The first solenoid valve 2 and the second solenoid valve 3 described in the present invention are not necessarily two separate solenoid valves as shown in the example, but may also be solenoid valves integrated in one valve body.

[0043] In the adsorption module of the present invention, the two chambers in the two channels are composed of two positive membrane plates sandwiched by one negative membrane plate instead of using two negative membrane plates sandwiched by one positive membrane plate, that is, each adsorption component has two positive membrane plates and one negative membrane plate. Such an adsorption component has better adsorption capacity and can increase the water treatment capacity by nearly 30% compared with two negative membrane plates sandwiched by one positive membrane plate.

[0044] Obviously, the water treatment device with simultaneous adsorption and desorption in separate chambers of the present invention is to set two chambers in the same device, and the two chambers are respectively in the adsorption state and the desorption state. The two states in the two chambers have a time period that is carried out simultaneously, but their respective durations are not necessarily the same, and the duration of the desorption state is shorter than the duration of the adsorption state.

[0045] With the above-described preferred embodiments of the present invention as a guide, and with reference to the above description, relevant personnel are fully capable of making various changes and modifications without departing from the technical scope of this invention. The technical scope of this invention is not limited to the contents of the specification and must be determined according to the scope of the claims.

Claims

1. A pendulum-type electric adsorption water treatment device, characterized by: It has a raw water inlet, a first water pump, a second water pump, an adsorption module, a first solenoid valve, a second solenoid valve, a water outlet and a sewage outlet; The adsorption module is composed of an upright water inlet and outlet cover, at least one adsorption component and a sealing cover. The outer end surface of the water inlet and outlet cover is provided with a first water inlet, a second water inlet, a first water outlet and a second water outlet. The first water inlet is connected to the first water pump, the second water inlet is connected to the second water pump, the first water outlet is communicated with the access port of the first solenoid valve, and the second water outlet is communicated with the access port of the second solenoid valve. The first solenoid valve and the second solenoid valve are respectively provided with a clean water outlet and a sewage outlet. The clean water outlet is communicated with the water production port, the sewage outlet is communicated with the sewage outlet, and the raw water inlet is connected to the first water pump and the second water pump; The adsorption assembly includes a first adsorption electrode plate, a first cation membrane plate, a first screen plate, a cathode membrane plate, a second screen plate, a second cation membrane plate, and a second adsorption electrode plate stacked in sequence, wherein a first mesh portion inside the first screen plate is connected to the first water inlet and the first water outlet to form a first adsorption channel, and a second mesh portion inside the second screen plate is connected to the second water inlet and the second water outlet to form a second adsorption channel; The water treatment device also has an electronic controller for applying voltages in different directions to the first adsorption electrode plate and the second adsorption electrode plate and switching the first solenoid valve and the second solenoid valve to three states: closing the access port, connecting the access port to the clean water outlet, and connecting the access port to the sewage outlet.

2. The pendulum-type electric adsorption water treatment device according to claim 1, characterized in that: The first partition plate has a first outer frame portion of an outer circle, and the thickness of the first mesh portion is less than the thickness of the first outer frame portion; the second partition plate has a second outer frame portion of an outer circle, and the thickness of the second mesh portion is less than the thickness of the second outer frame portion.

3. The pendulum-type electric adsorption water treatment device according to claim 1, characterized in that: The first water inlet and the second water inlet are located at the upper part of the outer end surface of the water inlet and outlet cover, and the first water outlet and the second water outlet are located at the lower part of the outer end surface of the water inlet and outlet cover. Each plate of the adsorption component has a row of water holes in the upper and lower parts, and four water troughs are provided on the inner end surface of the water inlet and outlet cover. The four water troughs are respectively connected with the first water inlet, the second water inlet, the first water outlet and the second water outlet. The holes arranged at odd positions in each row of water holes on each plate are odd holes, and the holes arranged at even positions are even holes. Each group of odd holes and even holes in the upper and lower parts are connected to a water trough. The first grid part and the second grid part are connected at the upper part by interconnected drainage holes and different water troughs, and at the lower part by interconnected drainage holes and different water troughs.

4. The pendulum-type electric adsorption water treatment device according to claim 1, characterized in that: The adsorption assembly further includes a first current collecting plate attached to the other side of the first adsorption electrode plate, a first conductive plate attached to the first current collecting plate, a second current collecting plate attached to the other side of the second adsorption electrode plate, and a second conductive plate attached to the second current collecting plate.

5. The pendulum-type electric adsorption water treatment device according to claim 1, characterized in that: The first and second partition boards are made of PVC, PP or PC boards.

6. The pendulum-type electric adsorption water treatment device according to claim 1, characterized in that: The motors of the first water pump and the second water pump are variable frequency motors.

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