CN217895371U - Water purifying device - Google Patents

Abstract

The utility model relates to a water purifying device, including filtering mechanism, distillation mechanism, energy-absorbing mechanism, condensation mechanism, retaining mechanism and recovery mechanism, filtering mechanism will treat that the water purification carries out the colating, treat after accomplishing the colating that the water purification pours into to distillation mechanism into after energy-absorbing mechanism, distillation mechanism will treat that the water purification heating forms steam and lets in energy-absorbing mechanism, treat the heat that the water purification absorbs steam production in energy-absorbing mechanism, steam forms the water purification through condensation mechanism condensation, store the water purification in order to treat the use in retaining mechanism, it treats the water purification and forms the washing water to retrieve when distillation mechanism stop work to retrieve the mechanism, filter the washing water after spraying repeatedly to distillation mechanism and carry out the impurity washing. Above-mentioned purifier can let and treat that the water that purifies filters, distills, improves the purification quality of treating the water that purifies, and when vapour output, the energy-absorbing case absorbs the heat of vapour and stores, realizes the reutilization of heat energy, can improve and make water efficiency and reduce the purification cost.

Description

Water purifying device

Technical Field

The utility model belongs to the technical field of the water purification technique and specifically relates to a water purification device is related to.

Background

With the progress of human society, people realize that water in nature such as rivers, lakes, seas, mountain springs and the like needs to be purified and is ready to eat. Accordingly, human beings increasingly pay more attention to purification of drinking water. In the 19 th century, humans began to purify water with quartz sand and activated carbon. China also has purification requirements on water in Ming dynasty and Ming dynasty students are recorded in 'physical knowledge' with intelligence: the normal water, alum, red bean, almond, realgar and gypsum are all used. The water pollution is more and more serious and the demand for purifying water is more and more serious from the late 20 th century to the beginning of 21 st century, the purification mode is more and more changed day by day, and the water purification technology gradually receives attention all over the world.

The water purifier technology is developed to today and reaches a certain technical level. The water purification mode of the water purifier can be divided into two categories, namely a self-service water purifier and an intelligent water purifier. Self-service water purifier is by melt-blown filter core, granule carbon, compressed carbon, RO reverse osmosis membrane or milipore filter, rearmounted active carbon, and the filth deposit that this filtration mode was intercepted is inside the filter core, and tired in every day, breed bacterium and germ, and need regularly artifical unpick and wash or change. The intelligent water purifier has two built-in passages, one for water production and one for washing. However, the filter element is to be replaced at last, so when the filter element is replaced is a problem, the intelligent water purifier cannot tell the user how long the service life of the filter element is, the user needs to detach the filter element to judge by himself, and bacteria and germs can grow if the filter element is not replaced for a long time.

In conclusion, the distillation purification technology is the only way which can really purify the water into pure water at present. However, no water purifier with a high-efficiency and energy-saving distillation water purification method exists in the current market. The water purification method and the device make up for the market vacancy and can also promote the application of purification technologies such as seawater, sewage and the like.

SUMMERY OF THE UTILITY MODEL

A main object of the utility model is to provide a water purifying device to solve above-mentioned technical problem, can raise the efficiency reduce cost.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a purifier, is including filtering mechanism, distillation mechanism, energy-absorbing mechanism, condensation mechanism, retaining mechanism and recovery mechanism, filtering mechanism will treat that the water purification carries out the colating, accomplishes treating after the colating the water purification process inject into behind the energy-absorbing mechanism distillation mechanism to, distillation mechanism will treat that the water purification heating forms steam and lets in energy-absorbing mechanism, treat the water purification in energy-absorbing mechanism absorbs the heat that steam produced, steam passes through condensation mechanism condensation forms the water purification, and in retaining mechanism stores the water purification in order to treat the use, recovery mechanism in distillation mechanism retrieves when stop work and treats that the water purification forms the washing water, filters the washing water after spray repeatedly extremely carry out impurity in the distillation mechanism and wash.

As a preferred technical scheme, the filtering mechanism comprises a first water inlet pipe, an electromagnetic valve and a first filter, water to be purified is introduced into the electromagnetic valve through the first water inlet pipe, the electromagnetic valve is communicated with the first filter through the first water inlet pipe, and the first filter is communicated with the energy absorbing mechanism through the first water inlet pipe.

As a preferred technical scheme, the distillation mechanism comprises a steam furnace, a second water inlet pipe and a steam pipe, the steam furnace is communicated with the energy absorption mechanism through the second water inlet pipe, the steam pipe is communicated with the upper end of the steam furnace and penetrates through the energy absorption mechanism, a heating disc is arranged in the steam furnace, and the heating disc is arranged at the bottom of the steam furnace.

As a preferred technical scheme, the energy absorption mechanism comprises an energy absorption box, the first water inlet pipe and the second water inlet pipe are respectively communicated with the energy absorption box, and the steam pipe penetrates through the energy absorption box and is communicated with the condensation mechanism.

As a preferable technical scheme, the condensing mechanism comprises a condensate pipe and a condenser, the condenser cools the condensate pipe, and the condensate pipe is communicated with the steam pipe.

As a preferred technical scheme, the water storage mechanism comprises a water storage barrel, a first water outlet structure and a second water outlet structure, the first water outlet structure and the second water outlet structure are communicated with the water storage barrel, and the water storage barrel is communicated with the condensed water pipe.

As a preferred technical scheme, the first water outlet structure comprises a first water pump, a first water outlet pipe and a first check valve, and purified water flows from the water storage barrel to the outside through the first water pump and the first check valve in sequence through the first water outlet pipe; the second water outlet structure comprises a second water outlet pipe, a second check valve and an instant heating module, the second water outlet pipe is communicated with the first water outlet pipe, and purified water passes through the second water outlet pipe, passes through the second check valve from the first water outlet pipe and flows to the outside through the instant heating module.

As a preferred technical scheme, retrieve the mechanism including retrieving the inlet tube, retrieving outlet pipe, second filter, recycling bin, second water pump and third water pump, the top of recycling bin is passed through retrieve the inlet tube with the bottom intercommunication of steam boiler, bottom in the recycling bin is passed through retrieve the outlet pipe with the top intercommunication of steam boiler, the second water pump set up in retrieve on the inlet tube, the second filter with the third water pump set up in the recycling bin with between the steam boiler, and pass through retrieve the outlet pipe intercommunication, the end of retrieving the outlet pipe is provided with the pressure boost shower nozzle.

The beneficial effects of the utility model reside in that: above-mentioned purifier, the device has adopted the filtration, the distillation, the energy-absorbing energy storage, the mode of condensation and impurity recovery, can let treat that the water that purifies filters, the distillation, the purification quality of treating the water that purifies is improved, when vapour output, the energy-absorbing case absorbs the heat of vapour and stores, realize the reutilization of heat energy, can improve and make water efficiency and reduce the purification cost, retrieve the mechanism and spray the washing repeatedly and retrieve to retrieving the mechanism through the pressure boost shower nozzle to the produced impurity of heating plate heating when distillation mechanism stop work at every turn, the heat transfer efficiency and the life of the dish that generates heat can be improved.

Drawings

Fig. 1 is a schematic structural view of a water purifying device according to the present invention;

fig. 2 is a wire frame diagram of the control mechanism according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1, a water purifying device comprises a filtering mechanism 1, a distilling mechanism 3, an energy absorbing mechanism 2, a condensing mechanism 4, a water storage mechanism 5, a recycling mechanism 6 and a control mechanism 7, wherein the control mechanism 7 is started, water to be purified enters the filtering mechanism 1 through a water inlet a, the filtering mechanism 1 performs primary rough filtration on the water to be purified, the water to be purified after rough filtration passes through the energy absorbing mechanism 2 and then is injected into the distilling mechanism 3, the distilling mechanism 3 heats the water to be purified to form steam, the steam is introduced into the energy absorbing mechanism 2, the water to be purified in the energy absorbing mechanism 2 absorbs heat generated by the steam, the steam is condensed by the condensing mechanism 4 to form purified water, the purified water is stored by the water storage mechanism 5 to flow out from a first water outlet b and/or a second water outlet c for use, the recycling mechanism 6 recycles the water to be purified to form cleaning water when the distilling mechanism 3 stops working, and the cleaning water is secondarily rough filtered and then is sprayed into the distilling mechanism 3 for cleaning.

Specifically, the filtering mechanism 1 includes a first water inlet pipe 11, an electromagnetic valve 12 and a first filter 13, the water to be purified enters the first water inlet pipe 11 at a water purifying port a and is introduced into the electromagnetic valve 12 through the first water inlet pipe 11, the electromagnetic valve 12 is communicated with the first filter 13 through the first water inlet pipe 11, the first filter 13 performs primary coarse filtration on the water to be purified, and the first filter 13 is communicated with the energy absorbing mechanism 2 through the first water inlet pipe 11, so that the water to be purified after the coarse filtration flows to the energy absorbing mechanism 2.

Specifically, the distillation mechanism 3 includes a steam oven 31, a second water inlet pipe 33, a steam pipe 32, a third check valve 34 and a fourth check valve 35, the steam oven 31 is communicated with the energy absorbing mechanism 2 through the second water inlet pipe 33, the steam pipe 32 is communicated with the upper end of the steam oven 31, steam to be purified is evaporated to form steam, the steam passes through the energy absorbing mechanism 2 along the steam pipe 32 and then is introduced into the condensing mechanism 4, a heating plate 311 is arranged in the steam oven 31, the heating plate 311 is arranged at the bottom of the steam oven 31, the heating plate 311 is used for heating water to be purified, the third check valve 34 is arranged on the steam pipe 32 and prevents the steam from flowing back into the steam oven 31, the fourth check valve 35 is arranged in the second water outlet pipe 33 and prevents the water to be purified from flowing back into the energy absorbing mechanism 2, a check valve 36 is arranged at the upper end of the steam oven 31, and the check valve 36 can admit air when the steam oven 31 stops working and is cooled, so as to maintain stable air pressure in the steam oven 31 and prevent the steam from diffusing out of the steam oven 31.

Specifically, the energy absorption mechanism 2 comprises an energy absorption box 21, a first water inlet pipe 11 and a second water inlet pipe 33 are respectively communicated with the energy absorption box 21, water to be purified flows into the energy absorption box 21 along the first water inlet pipe 11 and flows into the steam oven 31 from the energy absorption box 21 through the second water inlet pipe 33, the steam pipe 32 penetrates through the energy absorption box 21 and is communicated with the condensation mechanism 4, heat energy in the steam is conducted into the steam pipe 32, the water to be purified absorbs the heat energy of the steam pipe 32 on the outer surface of the steam pipe 32, the steam pipe 32 is arranged in the energy absorption box 21 in an S shape, the heat conduction efficiency between the steam and the water to be purified can be increased, a first air valve 22 is arranged at the upper end of the energy absorption box 21, exhaust or air intake can be realized when the energy absorption box 21 is filled with water or drained water, and the air pressure in the energy absorption box 21 is kept stable.

Specifically, the condensing mechanism 4 includes a condensate pipe 41 and a condenser 42, the condensate pipe 41 is communicated with the steam pipe 32, the condenser 42 cools the condensate pipe 41, steam is introduced into the condensate pipe 41, and the condenser 42 condenses the steam in the condensate pipe 41 to form purified water, wherein the condensate pipe 41 is made of 304 stainless steel and is wrapped by aluminum alloy blades, so that the heat dissipation area is increased, and the condenser 42 is a fan.

Specifically, retaining mechanism 5 is including storage bucket 51, first water outlet structure 52 and second water outlet structure 53 and storage bucket 51 intercommunication, storage bucket 51 and condensate pipe 41 intercommunication, the water purification flows into to storage bucket 51 through condensate pipe 41 and stores, the water purification in storage bucket 51 flows out to first delivery port b through first water outlet structure 52, the water purification in storage bucket 51 flows out to second delivery port c after passing through second water outlet structure 53 heating. The first water outlet structure 52 comprises a first water pump 522, a first water outlet pipe 521 and a first check valve 523, and the purified water flows from the water storage barrel 51 to the outside through the first water outlet pipe 521, sequentially passes through the first water pump 522 and the first check valve 523 and flows to the first water outlet b; the second water outlet structure 53 includes a second water outlet pipe 531, a second check valve 532 and an instant heating module 533, the second water outlet pipe 531 is communicated with the first water outlet pipe 521, the purified water passes through the second water outlet pipe 531, passes through the second check valve 532 from the first water outlet pipe 521, and then is heated by the instant heating module 533 to flow to the outside at a second water outlet c, the water storage bucket 51 is provided with a second air valve 54, a water outlet 56 and a water stop valve 55, the second air valve 54 is arranged at the upper end of the water storage bucket 51, the water outlet 56 is arranged at the lower end of the water storage bucket 51, the water stop valve 55 is arranged at the tail end of the water outlet 56, and the second air valve 54 can exhaust or intake air when the water storage bucket 51 intakes or discharges water, so as to maintain the air pressure in the water storage bucket 51 to be stable.

Specifically, the recovery mechanism 6 comprises a recovery water inlet pipe 62, a recovery water outlet pipe 64, a second filter 65, a recovery barrel 61, a second water pump 63 and a third water pump 66, the top of the recovery barrel 61 is communicated with the bottom of the steam boiler 31 through the recovery water inlet pipe 62, the recovery barrel 61 is communicated with the top of the steam boiler 31 through the recovery water outlet pipe 64, the recovery water outlet pipe 64 is installed at the bottom inside the recovery barrel 61, the second water pump 63 is arranged on the recovery water inlet pipe 62, the second water pump 63 flows the water to be purified in the steam boiler 31 into the recovery barrel 61 to form cleaning water, the second filter 65 and the third water pump 66 are arranged between the recovery barrel 61 and the steam boiler 31, the recycling bin 61, the second filter 65, the third water pump 66 and the steam boiler 31 are sequentially communicated through the recycling water outlet pipe 64, the second filter 65 performs secondary rough filtration on cleaning water, the third water pump 66 conveys the cleaning water in the recycling bin 61 to the steam boiler 31, the tail end of the recycling water outlet pipe 64 is provided with a pressurizing nozzle 67, the cleaning water is sprayed onto the inner wall of the steam boiler 31 through the pressurizing nozzle 67 to clean impurities in the steam boiler 31 and the heating plate 311, the cleaned cleaning water can be pumped back into the recycling bin 61 again by the second water pump 63 to be stored and filtered again to be sprayed, multiple times of cleaning are performed, the impurities can be removed, the impurities are prevented from being attached to the inner wall of the steam boiler 31 and the surface of the heating plate 311, and the heat transfer efficiency and the service life of the heating plate 311 are improved. The upper end of the recovery tank 61 is provided with a third air valve 68, and the third air valve 68 can exhaust or intake air when the recovery tank 61 is filled with water or drained of water, so that the air pressure in the recovery tank 61 is maintained stable.

Referring to fig. 2, the control mechanism 7 includes an operation status unit 71, a water level detection unit 72, a control unit 73, a first water level detector 74, a second water level detector 75, a third water level detector 76 and a fault detection unit 77, wherein the operation status unit 71 is electrically connected to the fault detection unit 77, the water level detection unit 72 and the control unit 73, the first water level detector 74, the second water level detector 75 and the third water level detector 76 are electrically connected to the water level detection unit 72, the first water level detector 74 is disposed on the steam boiler 31 and sets a maximum water level and a minimum water level on the steam boiler 31, the second water level detector 75 is disposed on the water storage barrel 51 and sets multiple water levels on the water storage barrel 51, the third water level detector 76 is disposed on the recovery barrel 61 and sets a maximum water level and a minimum water level on the recovery barrel 61, and the control unit 73 is electrically connected to the solenoid valve 12, the heat generating tray 311, the condenser 42, the first water pump 522, the second water pump 63 and the third water pump 66 to control the start and stop of the device.

The utility model also provides a be applied to above-mentioned purifier's water purification method, including following step:

step 1, the operation state unit 71 sends a control signal to the control unit 73, the control unit 73 controls the electromagnetic valve 12 to start, water to be purified enters through the water inlet a, the first water inlet pipe 11 fills the water to be purified into the energy absorption tank 21 until the water to be purified in the energy absorption tank 21 overflows into the steam boiler 31, the water to be purified is stored in the steam boiler 31, when the water level of the water to be purified reaches the highest water level of the steam boiler 31 after being fed back by the first water level detector 74, the water level detection unit 72 feeds back the water level to the operation state unit 71, the operation state unit 71 sends the control signal to the control unit 73, the control unit 73 controls the second water pump 63 to start, the water to be purified in the steam boiler 31 is pumped into the recovery barrel 61 to form cleaning water until the water level of the third water level detector 76 reaches the lowest water level of the recovery barrel 61, the water level of the operation state unit 72 feeds back to the operation state unit 71, the operation state unit 71 sends the control signal to the control unit 73, and the control unit 73 stops the second water pump 63.

Step 2, when the water level fed back by the first water level detector 74 reaches the highest water level height of the steam boiler 31, the water level detection unit 72 feeds back to the operation state unit 71, the operation state unit 71 sends a control signal to the control unit 73, the control unit 73 controls the electromagnetic valve 12 to be closed, the water to be purified stops entering the filtering mechanism 1, at this time, the preparation work before water purification is completed, and the water purifier is started.

Step 3, the water purifying device is started, the operation state unit 71 sends a control signal to the control unit 73, the control unit 73 controls the heating disc 311 to be electrified and heated, water to be purified is heated and evaporated to form steam, the steam flows into the energy absorption tank 21 through the steam pipe 32, the energy absorption tank 21 interacts with the heat of the water to be purified stored in the energy absorption tank 21, when the first water level detector 74 detects that the water level of the water to be purified reaches the lowest water level, the water level detection unit 72 feeds back a water level signal to the operation state unit 71, the operation state unit 71 sends the control signal to the control unit 73, the control unit 73 controls the electromagnetic valve 12 to be opened, and the water to be purified is injected into the steam boiler 31 again.

Step 4, the steam flows into the condensed water pipe 41 through the steam pipe 32, and is condensed into purified water in the condensed water pipe 41 through the condenser 42, the purified water flows into the water storage tank 51 through the condensed water pipe 42 to be stored, when the second water level detector 74 detects that the water level reaches the highest water level height of the water storage tank 51, the water level detection unit 72 feeds back a water level signal to the operation state unit 71, the operation state unit 71 sends a control signal to the control unit 73, the control unit 73 controls the heating disc 311 to stop heating, when the normal-temperature purified water is needed to be used, the control unit 73 controls the first water pump 522 to be started, and the normal-temperature purified water flows out from the first water outlet b through the first check valve 523 along the first water outlet pipe 521; when hot water is needed, the purified water passes through the second check valve 532 along the second water outlet pipe 531, is heated by the instant heating module 533, and flows out of the second water outlet c, and when the second water level detector 74 detects that the water level reaches another water level below the highest water level of the water storage tank 51, the control unit 73 controls the heating plate 311 to be heated again.

Step 5, after the heating plate 311 stops working, starting the recovery mechanism 6 to clean impurities in the steam oven 31;

in step 5, the method specifically comprises the following steps:

step 5.1, the operation state unit 71 sends a control signal to the control unit 73, the control unit 73 controls the second water pump 63 to start, the water to be purified flows from the steam boiler 31 to the recovery tank 61 through the recovery water inlet pipe 62 under the driving of the second water pump 63 to form cleaning water, until the third water level detector 76 detects that the water level reaches the highest water level of the recovery tank 61 or the first water level detector 74 detects that the water to be purified in the steam boiler 31 is drained, the water level detection unit 72 feeds a water level signal back to the operation state unit 71 to send the control signal to the control unit 73, the control unit 73 controls the second water pump 63 to be closed, the water temperature of the water to be purified pumped from the steam boiler 31 can be neutralized, and the water temperature of the cleaning water is prevented from being too high to damage the filtering materials in the second filter 65;

and 5.2, the operation state unit 71 sends a control signal to the control unit 73, the control unit 73 controls the third water pump 66 to be started, the cleaning water flows from the bottom in the recovery barrel 61 to the second filter 65 for rough filtration through the recovery water outlet pipe 64 under the driving of the third water pump 66, and is sprayed onto the steam boiler 31 through the pressurizing nozzle 67 to clean impurities in the steam boiler 31 and on the heating plate 311, and the steps are repeated for multiple times of cleaning.

According to the water purifying device and the water purifying method thereof, the modes of filtering, distilling, energy absorption and storage, condensing and impurity recovery are adopted in the device, water to be purified can be filtered and distilled, the purifying quality of the water to be purified is improved, when steam is output, the energy absorption box absorbs and stores heat of the steam, the secondary utilization of heat energy is realized, the water producing efficiency can be improved, and the purifying cost is reduced.

Still possess the advantage specifically:

1. by arranging the first filter 13, the water to be purified can effectively purify harmful gases such as particle impurities, peculiar smell and the like in the water to be purified;

2. the steam furnace 31 can effectively remove impurities, bacteria and germs dissolved in water in a distillation mode;

3. the energy absorption box 21 can enable water to be purified to absorb heat of steam, so that the temperature of the water to be purified is increased before the water enters the steam boiler 31, secondary utilization of heat energy is realized, and water making efficiency and purification cost can be effectively improved;

4. the steam is cooled doubly through the condensate pipe 41 and the condenser 42, so that the cooling time is shortened, and the water making efficiency is improved;

5. steam boiler 31 washes through pressure boost shower nozzle 67, and waste water is retrieved to rethread recycling bin 61, and waste water is clear away impurity through second filter 65, will filter the back waste water again and pour into steam boiler 61 to realize the zero waste of water.

The above-mentioned embodiments are merely preferred examples of the present invention, and do not limit the scope of the present invention, so all equivalent changes or modifications made by the structure, features and principles of the present invention should be included in the claims of the present invention.

Claims (8)

1. The utility model provides a purifier, its characterized in that, including filtering mechanism, distillation mechanism, energy-absorbing mechanism, condensation mechanism, retaining mechanism and recovery mechanism, filtering mechanism will treat that the water purification carries out the colating, accomplishes treating after the colating and purifies the water process inject into behind the energy-absorbing mechanism distillation mechanism to, distillation mechanism will treat that the water purification heating forms steam and lets in energy-absorbing mechanism treats the water purification in energy-absorbing mechanism absorbs the heat that steam produced, steam process condensation mechanism condensation forms the water purification, and in retaining mechanism stores the water purification in order to wait to use, retrieve the mechanism in distillation mechanism during the stop work retrieves and treats that the water purification forms the washing water, filters the washing water after spray repeatedly extremely carry out impurity in the distillation mechanism and wash.

2. The water purifying device of claim 1, wherein the filtering mechanism comprises a first water inlet pipe, a solenoid valve and a first filter, the water to be purified is introduced into the solenoid valve through the first water inlet pipe, the solenoid valve is communicated with the first filter through the first water inlet pipe, and the first filter is communicated with the energy absorbing mechanism through the first water inlet pipe.

3. The water purifying device of claim 2, wherein the distilling mechanism comprises a steam boiler, a second water inlet pipe and a steam pipe, the steam boiler is communicated with the energy absorbing mechanism through the second water inlet pipe, the steam pipe is communicated with the upper end of the steam boiler and penetrates through the energy absorbing mechanism, a heating plate is arranged in the steam boiler, and the heating plate is arranged at the bottom of the steam boiler.

4. The water purifying device of claim 3, wherein the energy absorbing mechanism comprises an energy absorbing box, the first water inlet pipe and the second water inlet pipe are respectively communicated with the energy absorbing box, and the steam pipe passes through the energy absorbing box and is communicated with the condensing mechanism.

5. The water purifying device of claim 4, wherein the condensing mechanism includes a condensed water pipe and a condenser, the condenser cools the condensed water pipe, and the condensed water pipe is communicated with the steam pipe.

6. The water purifying device of claim 5, wherein the water storage mechanism comprises a water storage barrel, a first water outlet structure and a second water outlet structure, the first water outlet structure and the second water outlet structure are communicated with the water storage barrel, and the water storage barrel is communicated with the condensed water pipe.

7. The water purifying device of claim 6, wherein the first water outlet structure comprises a first water pump, a first water outlet pipe and a first check valve, and the purified water flows from the water storage barrel to the outside through the first water outlet pipe and the first water pump and the first check valve in sequence; the second water outlet structure comprises a second water outlet pipe, a second check valve and an instant heating module, the second water outlet pipe is communicated with the first water outlet pipe, and purified water passes through the second water outlet pipe, passes through the second check valve from the first water outlet pipe, and then flows to the outside through heating of the instant heating module.

8. The water purifying device of claim 7, wherein the recycling mechanism comprises a recycling water inlet pipe, a recycling water outlet pipe, a second filter, a recycling bin, a second water pump and a third water pump, the top of the recycling bin is communicated with the bottom of the steam boiler through the recycling water inlet pipe, the bottom of the recycling bin is communicated with the top of the steam boiler through the recycling water outlet pipe, the second water pump is arranged on the recycling water inlet pipe, the second filter and the third water pump are arranged between the recycling bin and the steam boiler and are communicated with the recycling water outlet pipe, and a pressurizing nozzle is arranged at the tail end of the recycling water outlet pipe.

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