CN112010482A

CN112010482A - Water treatment tank and working method thereof

Info

Publication number: CN112010482A
Application number: CN202010727967.5A
Authority: CN
Inventors: 卢红兵
Original assignee: Nanjing Di Environmental Technology Engineering Co ltd
Current assignee: Nanjing Di Environmental Technology Engineering Co ltd
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2020-12-01

Abstract

The invention discloses a water treatment tank and a working method thereof, and relates to the technical field of sewage treatment, which comprises a filter tank, a heating tank, a condensing pipe, a refrigerator, a water storage tank and a purification tank, wherein the filter tank, the heating tank and the condensing pipe are sequentially connected together, the condensing pipe and the refrigerator are connected together, the outlet of the condenser is connected with the water storage tank and the purification tank through a shunt pipe, the filter tank preliminarily filters sewage, impurities with larger particles are filtered out, the heating tank heats the sewage, water in the sewage is evaporated, so that the water and the impurities in the sewage are further removed, the refrigerator generates cold water in a water guide condensing pipe, water vapor in the vapor is condensed through the condensing pipe and converted into purified water, the water vapor in the vapor is effectively separated from other impurity gases, and the condensed water flows into the water storage tank along the shunt pipe to be collected, and other impurity gases rise into the purification tank along the shunt pipe for further purification.

Description

Water treatment tank and working method thereof

Technical Field

The invention relates to the technical field of sewage treatment, in particular to a water treatment tank and a working method thereof.

Background

With the continuous improvement of the technological level, the development of the industrial field is more and more rapid, but the harm brought by the development is serious water pollution. The industrial sewage contains a large amount of heavy metals, and the current equipment can realize the thorough purification treatment of the industrial sewage by complicated purification treatment steps, so that a large amount of manpower and financial resources are consumed, and heavy economic burden is brought to industrial production. Therefore, on the basis of considering the cost, the treatment efficiency of the industrial sewage is low, the effect is not ideal, waste gas is generated in the treatment of the industrial sewage, and if the waste gas is not subjected to peculiar smell removal treatment or the peculiar smell treatment is not thorough, the waste gas can pollute the air when being discharged into the air, so that the sustainable development is not met.

Disclosure of Invention

Aiming at the problems in the prior art, the invention aims to provide a water treatment tank and a working method thereof.

In order to achieve the purpose, the invention provides the following technical scheme: including filtering jar, heating jar, condenser pipe, refrigerator, storage water tank and purifying tank, the heating jar passes through the connecting pipe and filters jar delivery outlet intercommunication together, it carries out prefilter to sewage to filter the jar, simultaneously the end of giving vent to anger of heating jar passes through the air duct and condenser pipe intercommunication together, and the business turn over liquid pipe of condenser pipe is in the same place through inlet tube and outlet pipe and refrigerator intercommunication respectively, the heating jar is heated sewage, evaporate the moisture in the sewage, and in the refrigerator produces cold water guide condenser pipe, the play liquid end of condenser pipe is connected with the shunt tubes simultaneously, the both ends of shunt tubes are connected with storage water tank and purifying tank respectively, the moisture that the condensation was accomplished flows into the storage water tank along the shunt tubes and collects, and other impurity gas then rise to purifying tank in along the shunt tubes and go on further purifying, filter jar, heating jar, refrigerator, The water storage tank and the purification tank are fixedly arranged on the upper surface of the damping base.

As a further scheme of the invention: the filter tank is arranged into a hollow tank body structure, a supporting plate is fixedly arranged at the middle position in the filter tank, a step groove is formed in the upper surface of the supporting plate, a screen is arranged on a bolt in the step groove, a liquid inlet is fixedly formed in the side wall of the top of the filter tank, a water inlet valve is fixedly arranged on the liquid inlet, a first air cylinder is arranged on the outer wall of the left side of the filter tank through a mounting seat, a telescopic rod of the first air cylinder extends into the filter tank through a sealing plug, a push plate is fixedly arranged on the telescopic rod of the first air cylinder, the lower surface of the push plate is in sliding contact with the upper surface of the screen, a drain outlet is formed in the side wall of the filter tank corresponding to the first air cylinder, a drain valve is arranged on the drain outlet, a tank cover is arranged at the top of the filter tank, a second air cylinder, and the end part of the cylinder II is fixedly provided with a magnet, the upper surface of the screen is fixedly provided with an iron disc, and the iron disc is positioned under the magnet.

As a further scheme of the invention: the inside fixed mounting of heating cylinder has the cartridge heater, the right side top and the connecting pipe of cartridge heater link together, and the other end and the booster water pump intercommunication of connecting pipe are in the same place, booster water pump fixed mounting is on the bottom surface of filtering jar inside, the cavity has been seted up to the lateral wall of cartridge heater simultaneously, the both ends of cavity communicate with intake pipe and outlet duct respectively together, and intake pipe and outlet duct fixed mounting are on the heater, the input fixed mounting of heater has the draught fan simultaneously, the air inlet of draught fan is located the outside of heating cylinder, the top and the air duct intercommunication of cartridge heater are in the same place simultaneously.

As a further scheme of the invention: the inside of cartridge heater is provided with the pivot, and the both ends of pivot are rotated and are installed on the lateral wall of cartridge heater, and the one end of pivot stretches out from the lateral wall of crossing the filter tank simultaneously to the lateral wall of pivot and cartridge heater is guaranteed sealedly, and the stretching out of pivot is served simultaneously and is served through coupling joint on the output shaft of rotating electrical machines, and rotating electrical machines passes through fixing base fixed mounting on the outer wall of cartridge heater, and fixed mounting has a plurality of stirring leaves simultaneously on the lateral wall that the pivot is located the cartridge heater.

As a further scheme of the invention: the inside of purifying tank has the purifying box through support column fixed mounting, and the horizontal installation of purifying box has a plurality of baffles, and the top fixed mounting of baffle has a plurality of titanium dioxide photocatalyst, and fixed mounting has one deck UV photodissociation generator on the outer wall of purifying box simultaneously to the both ends of purifying box link together with blast pipe and shunt tubes respectively, and the blast pipe stretches out from the lateral wall of purifying tank.

As a further scheme of the invention: an air exhaust fan is fixedly installed at the top of the shunt pipe, and activated carbon is fixedly installed at the top of the air exhaust fan.

As a further scheme of the invention: the baffle sets up the inside at the purifying box in crisscross each other.

As a further scheme of the invention: the stirring blade is provided with a plurality of through holes.

As a still further scheme of the invention: the front side walls of the filtering tank and the heating tank are provided with a first observation window, the front side wall of the purifying tank is also provided with a second observation window, and the front side wall of the liquid storage tank is provided with a liquid level meter.

The use method of the water treatment tank in any embodiment comprises the following specific operation steps:

the method comprises the following steps: an operator firstly introduces a certain amount of sewage into a filtering tank through a liquid inlet valve for preliminary filtering, large-particle impurities in the sewage are filtered out through a screen, and the filtered sewage is introduced into a heating cylinder in a heating tank through a booster water pump;

step two: starting a heater and a draught fan to generate high-temperature air, introducing the high-temperature air into a cavity on the side wall of the heating cylinder, evaporating and filtering sewage in the heating cylinder, simultaneously starting a stirring motor to drive stirring blades to rotate, stirring the sewage, and introducing steam into a condensing pipe through an air guide pipe;

step three: starting the refrigerator, leading the generated cold water into the condensing pipe, condensing the moisture in the steam through the condensing pipe, and leading the condensed water-gas mixture into the shunt pipe for shunting treatment;

step four: purified water in the shunt pipe flows into the water storage tank through the lower end of the shunt pipe to be collected, the air exhaust fan is started to pump air in the shunt pipe, the air is guided into the purification tank in the purification tank, and the air is subjected to primary filtration through activated carbon;

step five: open inside UV photodissociation generator and the titanium dioxide photocatalyst of purifying tank, UV photodissociation generator sends high energy ultraviolet ray, and under the catalysis of titanium oxide photocatalyst for the impurity composition in the gas is decomposed, thereby carries out secondary purification to gas, and passes through the blast pipe discharge after the purification, accomplishes the processing to sewage.

Compared with the prior art, the invention has the beneficial effects that:

1. the novel sewage filter is provided with the filter tank, the filter tank is internally provided with the screen, large-particle impurities in sewage are screened, the sewage is preliminarily filtered through the screen, the subsequent treatment of the sewage is more convenient, meanwhile, the side wall of the filter tank is provided with the first air cylinder, the telescopic rod of the first air cylinder is connected with the push rod, the push plate is pushed by the first air cylinder to horizontally slide on the upper surface of the screen, the impurities on the upper surface of the screen are discharged from the drain valve, the operation is simpler, and the collection and treatment of the impurities are facilitated.

2. The sewage treatment device is provided with the heating tank, the heating cylinder is arranged in the heating tank, air is guided into the heater through the draught fan to be heated, high-temperature air heats the heating cylinder, so that sewage is evaporated, further separation of the sewage is achieved, meanwhile, the rotating shaft is arranged in the heating tank, the side wall of the rotating shaft is fixedly provided with the stirring blades, and the rotating shaft is driven to rotate through the rotating motor, so that the stirring blades are driven to stir the sewage, the evaporation rate of the sewage is effectively improved, and the working efficiency of the device is improved.

3. The device is provided with a purification tank, a purification box is arranged in the purification pipe, a plurality of titanium oxide photocatalysts are arranged in the purification box, a UV photolysis generator is arranged on the side wall of the purification box, air with impurities enters the purification box through a shunt pipe, the UV photolysis generator emits high-energy ultraviolet rays, and under the catalysis of the titanium oxide photocatalysts, impurity components in the air are decomposed, so that the air is purified for the second time, the pollution of waste gas to the air is reduced, and the device is more environment-friendly and efficient.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the internal structure of the canister of the present invention.

Fig. 3 is a schematic view of the internal structure of the heating tank of the present invention.

Fig. 4 is a schematic view of the internal structure of the purification box of the present invention.

FIG. 5 is a schematic view of the structure of the stirring blade of the present invention.

As shown in the figure: 1. a filter tank, 2, a heating tank, 3, a condenser pipe, 4, a refrigerator, 5, a water storage tank, 6, a purification tank, 7, a shock absorption base, 8, a connecting pipe, 9, an air guide pipe, 10, a shunt pipe, 11, a water outlet pipe, 12, a water inlet pipe, 13, an exhaust pipe, 14, a support plate, 15, a screen, 16, a water inlet valve, 17, a blow-down valve, 18, a booster water pump, 19, a mounting base, 20, a cylinder I, 21, a push plate, 22, a sealing plug, 23, a cover plate, 24, a cylinder II, 25, a magnet, 26, an iron disc, 27, a heating cylinder, 28, a heater, 29, an induced draft fan, 30, an air inlet pipe, 31, an air outlet pipe, 32, a rotating shaft, 33, a stirring blade, 34, a fixing base, 35, a rotating motor, 36, a purification tank, 37, an air exhaust fan, 38, activated carbon, 39, a UV photolysis generator, a through hole 44, a first observation window 45, a liquid level meter 46 and a second observation window.

Detailed Description

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 5, in the embodiment of the present invention, a water treatment tank includes a filtering tank 1, a heating tank 2, a condensing tube 3, a refrigerator 4, a water storage tank 5 and a purifying tank 6, the heating tank 2 is communicated with an output port of the filtering tank 1 through a connecting pipe 8, the filtering tank 1 primarily filters sewage to filter out impurities with larger particles, an air outlet end of the heating tank 2 is communicated with the condensing tube 3 through an air duct 9, liquid inlet and outlet pipes of the condensing tube 3 are respectively communicated with the refrigerator 4 through an inlet pipe 12 and an outlet pipe 11, the heating tank 2 heats sewage to evaporate moisture in the sewage, so as to further remove moisture and impurities in the sewage, and the refrigerator 4 generates cold water in the condensing tube 3 to condense water vapor in the vapor through the condensing tube 3 to convert the water vapor into pure water, because the liquefaction point of other impurity gas in the steam is higher than the condensation point of vapor far away, so vapor and other impurity gas in the steam carry out effective separation, the play liquid end of condenser pipe 3 is connected with shunt tubes 10 simultaneously, the both ends of shunt tubes 10 are connected with storage water tank 5 and purification tank 6 respectively, the moisture that the condensation was accomplished flows into in storage water tank 5 along shunt tubes 10 and collects, and other impurity gas then rise to in the purification tank 6 along shunt tubes 10 and further purify, accomplish the purification treatment to sewage, filter jar 1 simultaneously, heating tank 2, refrigerator 4, storage water tank 5 and purification tank 6 fixed mounting are on vibration damping mount 7's upper surface, through vibration damping mount 7 effectual the vibrations that have reduced the whole production of device to the damage on work ground.

Referring to fig. 2, it can be seen that: the filtering tank 1 is arranged into a hollow tank structure, a supporting plate 14 is fixedly installed at the middle position in the filtering tank 1, a step groove is formed in the upper surface of the supporting plate 14, a screen 15 is installed on a bolt in the step groove, a liquid inlet is fixedly formed in the side wall of the top of the filtering tank 1, a water inlet valve 16 is fixedly installed on the liquid inlet, sewage is guided into the filtering tank 1 through the water inlet valve 16, large-particle impurities in the sewage are screened, the sewage is primarily filtered through the screen 15, the subsequent treatment of the sewage is more convenient, a first air cylinder 20 is installed on the outer wall of the left side of the filtering tank 1 through an installation seat 19, a telescopic rod of the first air cylinder 20 extends into the filtering tank 1 through a sealing plug 22, a push plate 21 is fixedly installed on the telescopic rod of the first air cylinder 20, the lower surface of the push plate 21 is in sliding contact with the upper surface of the screen 15, and a sewage discharge, a blow-off valve 17 is installed on the blow-off port, when the impurities on the screen 15 are excessive, a first cylinder 20 is opened to push a push plate 21 to horizontally slide on the upper surface of the screen 15, and the blow-off valve 17 is opened, so that the impurities on the upper surface of the screen 15 are discharged from the blow-off valve 17, the operation is simpler, the impurities are conveniently collected and processed, a tank cover 23 is installed at the top of the filter tank 1, a second cylinder 24 is installed at the top of the tank cover 23, an expansion rod of the second cylinder 24 also extends into the interior of the filter tank 1 from the interior of the tank cover 23, a magnet 25 is fixedly installed at the end of the second cylinder 24, an iron disc 26 is fixedly installed on the upper surface of the screen 15, the iron disc 26 is positioned under the magnet 25, when the screen 15 needs to be overhauled or replaced, an operator firstly unscrews a fixing bolt, then the second cylinder 24 is opened to drive the magnet 25, therefore, the screen 15 is taken out of the filter tank 1, and the maintenance of the screen 15 by an operator is more convenient.

Referring to fig. 3, it can be seen that: the inside fixed mounting of heating tank 2 has a heating cylinder 27, the right side top of heating cylinder 27 links together with connecting pipe 8, and the other end and booster pump 18 of connecting pipe 8 communicate together, booster pump 18 fixed mounting is on the bottom surface of filter tank 1 inside, lead-in heating cylinder 27 of sewage through booster pump 18, the lateral wall of heating cylinder 27 has seted up the cavity simultaneously, the both ends of cavity communicate together with intake pipe 30 and outlet duct 31 respectively, and intake pipe 30 and outlet duct 31 fixed mounting are on heater 28, the input fixed mounting of heater 28 has draught fan 29 simultaneously, the air inlet of draught fan 29 is located the outside of heating tank 2, lead-in heater 28 of air into through draught fan 29 and heat, high temperature air heats heating cylinder 27, thereby evaporate sewage, realize the further separation to sewage, simultaneously the top and the air duct 9 of heating cylinder 27 communicate together, the steam enters the condensing pipe 3 through the gas guide pipe 9 for condensation and separation, and other impurities are precipitated at the bottom of the heating cylinder 27.

Wherein, the inside of cartridge heater 27 is provided with pivot 32, the both ends of pivot 32 are rotated and are installed on the lateral wall of cartridge heater 27, the one end of pivot 32 stretches out from the lateral wall of filtering jar 1 simultaneously, and the lateral wall of pivot 32 and cartridge heater 27 is guaranteed to be sealed, the extension of pivot 32 is served and is served through the coupling joint on the output shaft of rotating electrical machines 35 simultaneously, rotating electrical machines 25 passes through fixing base 34 fixed mounting on the outer wall of heating jar 2, fixed mounting has a plurality of stirring leaves 33 on the lateral wall that pivot 32 is located cartridge heater 27 simultaneously, it rotates to drive pivot 32 through rotating electrical machines 35, thereby it stirs sewage to drive stirring leaves 33, the effectual evaporation rate who improves sewage, and then the work efficiency of improving device.

Referring to fig. 3, it can be seen that: the inside of purifying tank 6 has purifying box 36 through support column 42 fixed mounting, purifying box 36's horizontal installation has a plurality of baffles 40, the top fixed mounting of baffle 40 has a plurality of titanium dioxide photocatalyst 41, fixed mounting has one deck UV photodissociation generator 39 on purifying box 36's the outer wall simultaneously, and purifying box 36's both ends link together with blast pipe 13 and shunt tubes 10 respectively, blast pipe 13 stretches out from purifying tank 6's lateral wall, the air that has impurity passes through the shunt tubes 10 and gets into in purifying tank 36, UV photodissociation generator 39 sends high-energy ultraviolet ray, and under titanium oxide photocatalyst 41's catalysis, make the impurity composition in the gas decomposed, thereby carry out secondary purification to gas, and discharge through blast pipe 13 after the purification, the pollution of device to the air has been reduced.

Wherein, the top fixed mounting of shunt tubes 10 has exhaust fan 37 to exhaust fan 37's top fixed mounting has active carbon 38, and gas in shunt tubes 10 is twitched through exhaust fan 37, thereby the effectual condition of having avoided gas to get into in the storage water tank 5 has guaranteed the inside pureness of storage water tank 5, and carries out prefilter to gas through active carbon 38, the effectual operating pressure who reduces purifying box 36 has guaranteed purifying box 36's purification efficiency.

Preferably, the partition plates 40 are arranged inside the purifying box 36 in a staggered manner, so that the flow stroke of the gas in the purifying box 36 is effectively increased, the air is ensured to be fully contacted with the titanium dioxide photocatalyst 41, and the purifying reliability of the purifying box 36 is improved.

Preferably, a plurality of through holes 43 are formed in the stirring blade 33, and in the stirring process of the stirring blade 33, a plurality of small water flows formed by the sewage through the through holes 43 pass through the through holes 43, so that the stirring degree of the sewage by the stirring rod 33 is effectively improved, and the evaporation rate of the sewage in the heating cylinder 27 is further improved.

Preferably, the front side wall of the filtering tank 1 and the heating tank 2 is provided with a first observation window 44, the front side wall of the purifying tank 6 is also provided with a second observation window 46, the front side wall of the liquid storage tank 5 is provided with a liquid level meter 45, and the first observation window 44, the second observation window 46 and the liquid level meter 45 are made of transparent materials, so that the operating personnel can observe the working state inside the device conveniently and can make adjustment in time.

It should be noted that the working principle and the installation mode of the condenser tube 3 both adopt the prior art, and the control program of the present invention can be obtained by simple programming of those skilled in the art, which is not described herein again.

A working method of a water treatment tank comprises the following specific operation steps:

the method comprises the following steps: an operator firstly introduces a certain amount of sewage into the filtering tank 2 through the liquid inlet valve 16 for preliminary filtering, large-particle impurities in the sewage are filtered out through the screen 15, and the filtered sewage is introduced into the heating cylinder 27 in the heating tank 2 through the booster water pump 18;

step two: the heater 28 and the draught fan 29 are started to generate high-temperature air, the high-temperature air is guided into a cavity on the side wall of the heating cylinder 27, the sewage in the heating cylinder 27 is evaporated and filtered, meanwhile, the stirring motor 35 is started to drive the stirring blades 33 to rotate, the sewage is stirred, the evaporation rate of the sewage is improved, and the steam is guided into the condensing tube 3 through the air guide tube 9;

step three: the refrigerator 4 is started, the generated cold water is introduced into the condensing pipe 3, the moisture in the steam is condensed through the condensing pipe 3, the condensed water-gas mixture is introduced into the shunt pipe 10 for shunt treatment, and the flow direction of the cold water is opposite to the flow direction of the steam, so that the moisture in the steam is fully condensed;

step four: purified water in the shunt pipe 10 flows into the water storage tank 5 through the lower end of the shunt pipe 10 to be collected, meanwhile, the air exhaust fan 37 is started to pump air in the shunt pipe 10, the air is guided into the purification tank 36 in the purification tank 6, and the air is primarily filtered through the activated carbon 28, so that the purification efficiency is improved;

step five: the UV photolysis generator 39 and the titanium dioxide photocatalyst 41 in the purification tank 6 are opened, the UV photolysis generator 39 emits high-energy ultraviolet rays, and under the catalysis of the titanium dioxide photocatalyst 41, impurity components in the gas are decomposed, so that the gas is secondarily purified, and the purified gas is discharged through the exhaust pipe 13, so that the sewage treatment is completed.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a water treatment tank, includes filter tank (1), heating jar (2), condenser pipe (3), refrigerator (4), storage water tank (5) and purifying tank (6), its characterized in that: the heating tank (2) is communicated with an output port of the filtering tank (1) through a connecting pipe (8), the filtering tank (1) is used for preliminarily filtering sewage, meanwhile, an air outlet end of the heating tank (2) is communicated with the condensing pipe (3) through an air duct (9), liquid inlet and outlet pipes of the condensing pipe (3) are communicated with the refrigerator (4) through a water inlet pipe (12) and a water outlet pipe (11) respectively, the heating tank (2) is used for heating the sewage to evaporate water in the sewage, the refrigerator (4) generates cold water to guide the water in the condensing pipe (3), meanwhile, a liquid outlet end of the condensing pipe (3) is connected with a flow dividing pipe (10), two ends of the flow dividing pipe (10) are respectively connected with a water storage tank (5) and a purification tank (6), the condensed water flows into the water storage tank (5) along the flow dividing pipe (10) to be collected, and other impurity gases rise into the purification tank (6) along the flow dividing pipe (10) to be further purified, meanwhile, the filtering tank (1), the heating tank (2), the refrigerator (4), the water storage tank (5) and the purifying tank (6) are fixedly arranged on the upper surface of the damping base (7).

2. A water treatment tank as claimed in claim 1, wherein: the filtering tank (1) is arranged into a hollow tank structure, a supporting plate (14) is fixedly arranged at the middle position in the filtering tank (1), a step groove is formed in the upper surface of the supporting plate (14), a screen (15) is installed on a bolt in the step groove, a liquid inlet is fixedly formed in the side wall of the top of the filtering tank (1), a water inlet valve (16) is fixedly arranged on the liquid inlet, a first air cylinder (20) is arranged on the outer wall of the left side of the filtering tank (1) through a mounting seat (19), a telescopic rod of the first air cylinder (20) extends into the filtering tank (1) through a sealing plug (22), a push plate (21) is fixedly arranged on the telescopic rod of the first air cylinder (20), the lower surface of the push plate (21) is in sliding contact with the upper surface of the screen (15), and a drain outlet is formed in the side wall of the filtering tank (1), install blowoff valve (17) on the drain, cover (23) are installed at the top of filtering jar (1) simultaneously, cylinder two (24) are installed at the top of cover (23), the telescopic link of cylinder two (24) is the same stretches into the inside of filtering jar (1) from the inside of cover (23), and the tip fixed mounting of cylinder two (24) has magnet (25), the last fixed surface of screen cloth (15) installs iron disc (26) simultaneously, iron disc (26) are located magnet (25) under.

3. A water treatment tank as claimed in claim 2, wherein: the inside fixed mounting of heating tank (2) has cartridge heater (27), the right side top and connecting pipe (8) of cartridge heater (27) link together, and the other end and booster water pump (18) intercommunication of connecting pipe (8) are in the same place, booster water pump (18) fixed mounting is on the inside bottom surface of filter tank (1), the cavity has been seted up to the lateral wall of cartridge heater (27) simultaneously, the both ends of cavity communicate together with intake pipe (30) and outlet duct (31) respectively, and intake pipe (30) and outlet duct (31) fixed mounting are on heater (28), the input fixed mounting of heater (28) has draught fan (29) simultaneously, the air inlet of draught fan (29) is located the outside of heating tank (2), the top and air duct (9) the intercommunication of cartridge heater (27) are in the same place simultaneously.

4. A water treatment tank as claimed in claim 3, wherein: the inside of cartridge heater (27) is provided with pivot (32), the both ends of pivot (32) are rotated and are installed on the lateral wall of cartridge heater (27), the one end of pivot (32) stretches out from the lateral wall of filtering jar (1) simultaneously, and the lateral wall of pivot (32) and cartridge heater (27) is guaranteed sealedly, the stretching out of pivot (32) is served and is served through the coupling joint on the output shaft of rotating electrical machines (35) simultaneously, rotating electrical machines (25) are through fixing base (34) fixed mounting on the outer wall of heating jar (2), fixed mounting has a plurality of stirring leaf (33) on the lateral wall that pivot (32) are located cartridge heater (27) simultaneously.

5. A water treatment tank as claimed in claim 4, wherein: the inside of purifying tank (6) has purifying box (36) through support column (42) fixed mounting, a plurality of baffles (40) are installed to the level of purifying box (36), the top fixed mounting of baffle (40) has a plurality of titanium dioxide photocatalyst (41), fixed mounting has one deck UV photodissociation generator (39) on the outer wall of purifying box (36) simultaneously, and the both ends of purifying box (36) link together with blast pipe (13) and shunt tubes (10) respectively, blast pipe (13) stretch out from the lateral wall of purifying tank (6).

6. A water treatment tank as claimed in claim 5, wherein: the top of the shunt pipe (10) is fixedly provided with an air exhaust fan (37), and the top of the air exhaust fan (37) is fixedly provided with active carbon (38).

7. A water treatment tank as claimed in claim 5, wherein: the partition plates (40) are arranged inside the purification box (36) in a mutually staggered mode.

8. A water treatment tank as claimed in claim 4, wherein: the stirring blade (33) is provided with a plurality of through holes (43).

9. A water treatment tank according to claim 1 or 5, wherein: the front side wall of the filtering tank (1) and the heating tank (2) is provided with a first observation window (44), the front side wall of the purifying tank (6) is also provided with a second observation window (46), and the front side wall of the liquid storage tank (5) is provided with a liquid level meter (45).

10. The method for using a water treatment tank as claimed in claim 5, characterized in that the specific operation steps are as follows:

the method comprises the following steps: an operator firstly introduces a certain amount of sewage into the filtering tank (2) through the liquid inlet valve (16) for preliminary filtering, large-particle impurities in the sewage are filtered out through the screen (15), and the filtered sewage is introduced into the heating cylinder (27) in the heating tank (2) through the booster water pump (18);

step two: the heater (28) and the draught fan (29) are started to generate high-temperature air, the high-temperature air is guided into a cavity on the side wall of the heating cylinder (27), the sewage in the heating cylinder (27) is evaporated and filtered, meanwhile, the stirring motor (35) is started to drive the stirring blades (33) to rotate, the sewage is stirred, and the steam is guided into the condensing pipe (3) through the air guide pipe (9);

step three: starting the refrigerator (4), leading the generated cold water into the condensing pipe (3), condensing the moisture in the steam through the condensing pipe (3), and leading the condensed water-gas mixture into the flow dividing pipe (10) for flow dividing treatment;

step four: purified water in the shunt pipe (10) flows into the water storage tank (5) through the lower end of the shunt pipe (10) to be collected, meanwhile, the air exhaust fan (37) is started to pump air in the shunt pipe (10), the air is guided into the purification tank (36) in the purification tank (6), and the air is primarily filtered through the activated carbon (28);

step five: the UV photolysis generator (39) and the titanium dioxide photocatalyst (41) in the purification tank (6) are started, the UV photolysis generator (39) emits high-energy ultraviolet rays, and impurity components in the gas are decomposed under the catalysis of the titanium dioxide photocatalyst (41), so that the gas is secondarily purified, and the purified gas is discharged through the exhaust pipe (13), and the sewage treatment is completed.