CN210801580U

CN210801580U - Gas water heater convenient for removing scale

Info

Publication number: CN210801580U
Application number: CN201921571989.6U
Authority: CN
Inventors: 王利杰
Original assignee: Hebei Sapton New Energy Technology Co Ltd
Current assignee: Hebei Sapton New Energy Technology Co Ltd
Priority date: 2019-09-20
Filing date: 2019-09-20
Publication date: 2020-06-19
Anticipated expiration: 2029-09-20

Abstract

The utility model discloses a conveniently clear away gas heater of incrustation scale, including device body, heat exchanger, filtering mechanism, inlet tube and heating pipe, the central point on device body top puts the department and is equipped with heat exchanger, the central point of heat exchanger top puts the top of the department device body and is equipped with filtering mechanism, be equipped with the combustion chamber on the device body inner wall of heat exchanger bottom, be equipped with on the inner wall of device body one side and place the board, it is equipped with the storage water tank on the outer wall of board one side to place, the device body bottom of storage water tank below is equipped with except that matter mechanism, the one end of keeping away from the circulating pump on the outer wall of device body one side is equipped with control panel, and the output of the inside singlechip of control panel respectively with heat. The utility model discloses not only realize that the incrustation scale has clear away in the heating tube, the equilibrium of temperature under long play water condition has improved water heater heating efficiency, has guaranteed people's health safety moreover.

Description

Gas water heater convenient for removing scale

Technical Field

The utility model relates to a gas heater technical field specifically is a conveniently clear away gas heater of incrustation scale.

Background

Along with the development of economy, more and more household appliances appear in the homes of consumers, the safety requirements of the consumers on the household appliances are higher and higher, the gas water heaters enter thousands of households, generally, the water heaters are smooth in water supply, rapid in temperature rise and free in temperature regulation, scale can be formed in water pipe lines and hot water storage containers after the water heaters are used for a long time, the scale is soaked in bath water for a long time, the human skin is easily damaged, and the performance of the water heaters is further improved at present.

The gas water heaters on the market are various and can basically meet the use requirements of people, but certain problems still exist, and the specific problems include the following points:

(1) when the traditional gas water heater is used, scale in the heating pipe is generally not convenient to remove, so that the heat transfer efficiency of the heating pipe when the gas water heater is used is seriously influenced;

(2) when the traditional gas water heater is used, harmful gas is generally not convenient to remove, so that the safety of the gas water heater during use is greatly influenced;

(3) when the traditional gas water heater is used, hot water is not conveniently and uniformly discharged, the water is easy to be cooled and heated for a long time, and great trouble is brought to people in use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a conveniently clear away gas heater of incrustation scale, detach harmful gas and be not convenient for evenly go out hot water to propose gas heater and be not convenient for clear away the interior incrustation scale of heating tube in solving above-mentioned background art, detach harmful gas and be not convenient for evenly go out hydrothermal problem.

In order to achieve the above object, the utility model provides a following technical scheme: a gas water heater convenient for removing scale comprises a device body, a heat exchanger, a filtering mechanism, a water inlet pipe and a heating pipe, wherein the heat exchanger is arranged at the central position of the top end of the device body, the heating pipe is wound on the surface of the heat exchanger at equal intervals, the filtering mechanism is arranged at the top of the device body at the central position above the heat exchanger, a combustion chamber is arranged on the inner wall of the device body at the bottom end of the heat exchanger, a treatment box is arranged at the central position below the combustion chamber, a medicament opening is formed in the top of the treatment box and extends into the treatment box, a nano-film filter screen is arranged at one end, far away from the combustion chamber, in the treatment box, two ends of the nano-film filter screen are fixedly connected with the inner wall of the treatment box, a first electromagnetic valve is arranged on the outer wall of one side of the treatment box, the device body bottom of storage water tank below is equipped with except that matter mechanism, and the central point that removes matter mechanism bottom puts the department and is equipped with the water inlet to the water inlet extends to the outside of device body, the device body bottom is kept away from the one end that removes matter mechanism and is equipped with neutralization mechanism, and neutralization mechanism bottom central point puts the department and is equipped with the delivery port, and the delivery port extends to the outside of device body, the central point of device body bottom puts the department and is equipped with the air inlet, and the one end of air inlet extends to the outside of device body, and the one end of keeping away from the circulating pump on the outer wall of device body one side is equipped with control panel, and control panel's output respectively with the input electric connection of heat exchanger, first solenoid valve.

Preferably, be equipped with the draught fan on the device body inside wall of neutralization mechanism top, and the one end of draught fan is equipped with the wind channel to be equipped with the second solenoid valve on the device body inside wall of draught fan top, be equipped with the circulating pump on the device body inside wall of second solenoid valve top, and the one end of circulating pump is equipped with the inlet tube, and the other end of circulating pump is equipped with the outlet pipe.

Preferably, the inside of filtering mechanism has set gradually rose box, outlet flue, plastics nanometer adsorption net, mounting panel and ceramic air filter, the central point department of putting on heat exchanger top is equipped with the rose box, and all is equipped with the mounting panel on the inner wall of rose box both sides to the internally mounted of rose box has plastics nanometer adsorption net between the adjacent mounting panel, installs ceramic air filter between the adjacent mounting panel of plastics nanometer adsorption net below.

Preferably, remove the inside of matter mechanism and set gradually the box, absorb water the pipe, cross filter pulp, water jet and spray pipe, the one end that neutralization mechanism was kept away from to device body bottom is equipped with the box, and the inside central point department of putting of box is equipped with the filter pulp to cross the filter pulp top and be equipped with the pipe that absorbs water, the one end of the pipe that absorbs water extends to the outside of box, the box bottom of crossing the filter pulp below is equipped with the spray pipe, and the water jet is all installed on the top of spray pipe.

Preferably, the inside of neutralization mechanism has set gradually third solenoid valve, neutralizing tank, high temperature water tank, temperature-sensing ware and fourth solenoid valve, the device body bottom of draught fan below is equipped with the neutralizing tank, and the top of neutralizing tank is equipped with the third solenoid valve to the bottom of third solenoid valve extends to the inside of neutralizing tank.

Preferably, be equipped with the high temperature water tank on the inner wall of neutralization case one side, and the one end of high temperature water tank extends to the inside of neutralization case to all be equipped with the fourth solenoid valve on the outer wall at both ends, the central point department of putting of neutralization bottom of the case portion is equipped with temperature-sensing ware, and temperature-sensing ware's one end and delivery port fixed connection.

Compared with the prior art, the beneficial effects of the utility model are that: the gas water heater convenient for removing the scale not only realizes the removal of the scale in the heating pipe and the balance of water temperature under the condition of long water outlet, improves the heating efficiency of the water heater, but also ensures the health and safety of people;

(1) acidic substances are poured into the treatment box through the agent opening, the first electromagnetic valve and the second electromagnetic valve are opened, the state is changed from off to on, then the circulating pump is opened through the control panel, water in the heating pipe is pumped into the treatment box through the water inlet pipe, meanwhile, the acidic water in the treatment box is pumped into the heating pipe through the first electromagnetic valve, chemical reaction is carried out on scale, the water with the neutralized scale is pumped into the treatment box through the circulating pump, the water is filtered through the nano-film filter screen and is transmitted into the heating pipe again, and the water is circulated in sequence, so that the scale in the heating pipe is removed, the heating efficiency of the water heater is improved, and the service life of the water heater is prolonged;

(2) harmful gas generated by combustion in the combustion chamber flows into the filter box through the filter box, the smoke outlet, the plastic nano adsorption net, the support plate and the ceramic air filter element, and is primarily filtered by the ceramic air filter element in the support plate and filtered again by the plastic nano adsorption net, so that toxic substances are filtered and removed, and the health safety of people is guaranteed;

(3) through being provided with the third solenoid valve, the case of neutralizing, the high temperature water tank, temperature-sensing ware and fourth solenoid valve, through the response of temperature-sensing ware, open the fourth solenoid valve with signal feedback to control panel, the inside high temperature water of high temperature water tank is stored in the release, control panel control third solenoid valve is with the inside cold water transmission of storage water tank to the incasement portion of neutralizing and carry out the neutralization reaction to it once more simultaneously, realized under the condition of growing out water, the self-equilibrium of temperature, thereby made things convenient for people's use.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a schematic view of a cross-sectional enlarged structure of the filtering mechanism of the present invention;

FIG. 3 is a schematic view of a cross-sectional enlarged structure of the mass removing mechanism of the present invention;

FIG. 4 is a schematic view of a cross-sectional enlarged structure of the neutralizing mechanism of the present invention;

fig. 5 is a schematic diagram of the system framework structure of the present invention.

In the figure: 1. a device body; 2. a heat exchanger; 3. a filtering mechanism; 301. a filter box; 302. a smoke outlet; 303. a plastic nano-adsorbent net; 304. a mounting plate; 305. a ceramic air filter element; 4. a control panel; 5. a combustion chamber; 6. a medicament port; 7. a treatment tank; 8. a first solenoid valve; 9. a nano-film filter screen; 10. a water storage tank; 11. placing the plate; 12. a mass removal mechanism; 1201. a box body; 1202. a suction pipe; 1203. filtering cotton; 1204. a water jet; 1205. a water spray pipe; 13. A water inlet; 14. an air inlet; 15. a water outlet; 16. a neutralization mechanism; 1601. a third electromagnetic valve; 1602. a neutralization tank; 1603. a high temperature water tank; 1604. a temperature sensor; 1605. a fourth solenoid valve; 17. an induced draft fan; 18. a second solenoid valve; 19. an air duct; 20. a water outlet pipe; 21. a circulation pump; 22. a water inlet pipe; 23. heating the tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: a gas water heater convenient for removing scale comprises a device body 1, a heat exchanger 2, a filtering mechanism 3, a water inlet pipe 22 and a heating pipe 23, wherein the heat exchanger 2 is arranged at the center position of the top end of the device body 1, the type of the heat exchanger 2 is MTT/L-2, the input end of the heat exchanger 2 is electrically connected with the output end of a single chip microcomputer in a control panel 4, the heating pipe 23 with equal intervals is wound on the surface of the heat exchanger 2, and the filtering mechanism 3 is arranged at the top of the device body 1 at the center position above the heat exchanger 2;

the inside of the filtering mechanism 3 is sequentially provided with a filtering box 301, a smoke outlet 302, a plastic nano adsorption net 303, support plates 304 and a ceramic air filter element 305, the filtering box 301 is arranged at the central position of the top end of the heat exchanger 2, the support plates 304 are arranged on the inner walls of the two sides of the filtering box 301, the plastic nano adsorption net 303 is arranged inside the filtering box 301 between the adjacent support plates 304, and the ceramic air filter element 305 is arranged between the adjacent support plates 304 below the plastic nano adsorption net 303;

when the filter box is used, harmful gas generated by combustion in the combustion chamber 5 flows into the filter box 301, is primarily filtered by the ceramic air filter element 305 in the support plate 304, and is filtered again by the plastic nano adsorption net 303, so that toxic substances are filtered and removed, and the health safety of people is ensured;

the inner wall of the device body 1 at the bottom end of the heat exchanger 2 is provided with a combustion chamber 5, a treatment box 7 is arranged at the central position below the combustion chamber 5, the top of the treatment box 7 is provided with a medicament port 6, the medicament port 6 extends into the treatment box 7, one end, far away from the combustion chamber 5, in the treatment box 7 is provided with a nano-film filter screen 9, two ends of the nano-film filter screen 9 are fixedly connected with the inner wall of the treatment box 7, the outer wall of one side of the treatment box 7 is provided with a first electromagnetic valve 8, the type of the first electromagnetic valve 8 is JB/T4119-1, the input end of the first electromagnetic valve 8 is electrically connected with the output end of a single chip microcomputer in the control panel 4, the inner wall of one side of the device body 1 is provided with a placing plate 11, the outer wall of one side of the placing;

a box body 1201, a water suction pipe 1202, filter cotton 1203, a water spraying port 1204 and a water spraying pipe 1205 are sequentially arranged inside the quality removing mechanism 12, the box body 1201 is arranged at one end of the bottom end of the device body 1 far away from the neutralizing mechanism 16, the filter cotton 1203 is arranged at the central position inside the box body 1201, the water suction pipe 1202 is arranged at the top end of the filter cotton 1203, one end of the water suction pipe 1202 extends to the outside of the box body 1201, the water spraying pipe 1205 is arranged at the bottom end of the box body 1201 below the filter cotton 1203, the water spraying ports 1204 are arranged at the top ends of the water spraying pipes 1205, water enters the box body 1201 through a water inlet 13, the water is sprayed into the cavity of the box body 1201 from the water spraying ports 1204 through the water spraying pipes;

a water inlet 13 is arranged at the central position of the bottom end of the mass removing mechanism 12, the water inlet 13 extends to the outside of the device body 1, and a neutralizing mechanism 16 is arranged at one end of the bottom end of the device body 1 far away from the mass removing mechanism 12;

the neutralization mechanism 16 is internally provided with a third electromagnetic valve 1601, a neutralization box 1602, a high-temperature water tank 1603, a temperature sensor 1604 and a fourth electromagnetic valve 1605 in sequence, the bottom end of the device body 1 below the induced draft fan 17 is provided with the neutralization box 1602, the top end of the neutralization box 1602 is provided with the third electromagnetic valve 1601, the third electromagnetic valve 1601 is JB/T4119-3, the input end of the third electromagnetic valve 1601 is electrically connected with the output end of the single chip microcomputer in the control panel 4, the bottom end of the third electromagnetic valve 1601 extends into the neutralization box 1602, the inner wall of one side of the neutralization box 1602 is provided with the high-temperature water tank 1603, one end of the high-temperature water tank 1603 extends into the neutralization box 1602, the outer walls at two ends of the neutralization box 1602 are provided with the fourth electromagnetic valve 1605, the fourth electromagnetic valve 1605 is JB/T4119-4, the input end of the fourth electromagnetic valve 1605 is electrically connected with the output end of the single chip microcomputer in the control panel, a temperature sensor 1604 is arranged at the center of the bottom end of the neutralization box 1602, the model of the temperature sensor 1604 is SGMC-10-0-1-7, the output end of the temperature sensor 1604 is electrically connected with the output end of the single chip microcomputer in the control panel 4, and one end of the temperature sensor 1604 is fixedly connected with the water outlet 15;

when the water-saving water heater is used, a signal is fed back to the control panel 4 through the induction of the temperature inductor 1604, then the fourth electromagnetic valve 1605 is opened through the control panel 4, high-temperature water stored in the high-temperature water tank 1603 is released, and low-temperature water in the neutralization tank 1602 is subjected to neutralization reaction, meanwhile, the control panel 4 controls the third electromagnetic valve 1601 to transmit cold water in the water storage tank 10 to the neutralization tank 1602 to perform neutralization reaction again, so that the water-saving water heater is suitable for temperature and convenient for people to use, and self-equalization of water temperature is realized under the condition of water growing, so that the water-saving water heater is convenient for people to use;

a water outlet 15 is arranged at the center of the bottom end of the neutralizing mechanism 16, the water outlet 15 extends to the outside of the device body 1, an induced draft fan 17 is arranged on the inner side wall of the device body 1 above the neutralizing mechanism 16, the model of the induced draft fan 17 is Y90S-2, the input end of the induced draft fan 17 is electrically connected with the output end of the singlechip inside the control panel 4, an air duct 19 is arranged at one end of the induced draft fan 17, a second electromagnetic valve 18 is arranged on the inner side wall of the device body 1 above the induced draft fan 17, the model of the second electromagnetic valve 18 is JB/T4119-2, the input end of the second electromagnetic valve 18 is electrically connected with the output end of the singlechip inside the control panel 4, a circulating pump 21 is arranged on the inner side wall of the device body 1 above the second electromagnetic valve 18, the model of the circulating pump 21 is Y112 35, a water inlet pipe 22 is arranged at one end of the circulating pump 21, a water outlet pipe 20 is arranged at the other end of the circulating pump 21, an air inlet 14 is arranged at the central position of the bottom end of the device body 1, one end of the air inlet 14 extends to the outside of the device body 1, a control panel 4 is arranged at one end, away from the circulating pump 21, of the outer wall of one side of the device body 1, and the output end of the control panel 4 is electrically connected with the input ends of the heat exchanger 2, the first electromagnetic valve 8, the induced draft fan 17, the second electromagnetic valve 18 and the;

pour the acidic material into through medicament mouth 6 during the use and handle 7 insidely, open first solenoid valve 8 and second solenoid valve 18, become the on-state by disconnected, later open circulating pump 21 through control panel 4, extract the inside water of heating pipe 23 to handle 7 insidely through inlet tube 22, will handle the inside acidic water of case 7 and extract to 23 insides of heating pipe through first solenoid valve 8 simultaneously, carry out chemical reaction to the incrustation scale, and the water with neutralization incrustation scale is extracted to handle 7 insidely through circulating pump 21, it is inside to filter retransmission to 23 heating pipes through nanomembrane filter screen 9, circulate in proper order, the incrustation in heating pipe 23 has been realized and has been clear away, water heater heating efficiency has been improved, thereby the life of water heater has been prolonged.

The working principle is as follows: when the water heater is used, water enters the inside of the box body 1201 through the water inlet 13, the water is sprayed into the cavity of the box body 1201 from the water spraying port 1204 through the water spraying pipe 1205, then is filtered through the filter cotton 1203 to remove solid impurities, the water is absorbed and conveyed into the water storage tank 10 through the water absorbing pipe 1202, the cold water flows into the heating pipe 23 through the transmission of the first electromagnetic valve 8, natural gas is conveyed into the combustion chamber 5 through the air inlet 14, the combustion chamber 5 is opened through the operation control panel, the operation control panel works to heat the heat exchanger 2, the heating pipe 23 on the surface of the heat exchanger 2 is heated to hot water through the cold water, the circulating pump 21 is opened through the operation control panel 4, the water inside the heating pipe 23 is conveyed into the water outlet pipe 20 through the water inlet pipe 22 and is conveyed into the neutralization tank 1602 and the high-temperature water tank 1603 through the second electromagnetic valve 18, and the water, the model of the temperature sensor 1604 is 602F-3500F, the output end of the temperature sensor 1604 is electrically connected with the input end of the single chip microcomputer inside the control panel 4, the signal is fed back to the control panel 4, the fourth electromagnetic valve 1605 is opened through the control panel 4 to release the high-temperature water stored inside the high-temperature water tank 1603, the low-temperature water inside the neutralization tank 1602 is neutralized, meanwhile, the control panel 4 controls the third electromagnetic valve 1601 to transmit the cold water inside the water storage tank 10 to the inside of the neutralization tank 1602 to make the water storage tank suitable for body temperature and convenient to use, the harmful gas generated by combustion inside the combustion chamber 5 flows into the filter tank 301, the harmful gas is primarily filtered through the ceramic air filter element 305 inside the support plate 304 and is filtered again through the plastic nano adsorption net 303 to remove toxic substances, and scale is generated inside the heating pipe 23 due to high-temperature combustion, pour acidic substance into through medicament mouth 6 inside handling case 7, open first solenoid valve 8 and second solenoid valve 18 and become the on-state by disconnected, open circulating pump 21 through control panel 4, extract the inside water of heating pipe 23 to handling case 7 inside through inlet tube 22, and will handle the inside acidic water of case 7 simultaneously and extract to heating pipe 23 inside through first solenoid valve 8, carry out chemical reaction to the incrustation scale, and the water with neutralization incrustation scale is extracted to handling case 7 inside through circulating pump 21, filter through nano-film filter screen 9 and transmit to heating pipe 23 inside once more, circulate in proper order, accomplish gas heater's use work.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a conveniently clear away gas heater of incrustation scale, includes device body (1), heat exchanger (2), filtering mechanism (3), inlet tube (22) and heating pipe (23), its characterized in that: the device is characterized in that a heat exchanger (2) is arranged at the center of the top end of the device body (1), heating pipes (23) with equal intervals are wound on the surface of the heat exchanger (2), a filtering mechanism (3) is arranged at the top of the device body (1) at the center of the upper portion of the heat exchanger (2), a combustion chamber (5) is arranged on the inner wall of the device body (1) at the bottom end of the heat exchanger (2), a treatment box (7) is arranged at the center of the lower portion of the combustion chamber (5), a medicament port (6) is arranged at the top of the treatment box (7), the medicament port (6) extends into the treatment box (7), a nano-film filter screen (9) is arranged at one end, far away from the combustion chamber (5), of the interior of the treatment box (7), two ends of the nano-film filter screen (9) are fixedly connected with the inner wall of the treatment box (7), and, a placing plate (11) is arranged on the inner wall of one side of the device body (1), a water storage tank (10) is arranged on the outer wall of one side of the placing plate (11), a mass removing mechanism (12) is arranged at the bottom end of the device body (1) below the water storage tank (10), a water inlet (13) is arranged at the central position of the bottom end of the mass removing mechanism (12), the water inlet (13) extends to the outside of the device body (1), a neutralizing mechanism (16) is arranged at one end of the bottom end of the device body (1) far away from the mass removing mechanism (12), a water outlet (15) is arranged at the central position of the bottom end of the neutralizing mechanism (16), the water outlet (15) extends to the outside of the device body (1), an air inlet (14) is arranged at the central position of the bottom end of the device body (1), one end of the outer wall of one side of the device body (1) far away from the circulating pump (21) is provided with a, and the output end of the singlechip in the control panel (4) is respectively and electrically connected with the input ends of the heat exchanger (2), the first electromagnetic valve (8), the induced draft fan (17), the second electromagnetic valve (18) and the circulating pump (21).

2. The gas water heater convenient for removing scale according to claim 1, characterized in that: be equipped with draught fan (17) on device body (1) inside wall of neutralization mechanism (16) top, and the one end of draught fan (17) is equipped with wind channel (19) to be equipped with second solenoid valve (18) on device body (1) inside wall of draught fan (17) top, be equipped with circulating pump (21) on device body (1) inside wall of second solenoid valve (18) top, and the one end of circulating pump (21) is equipped with inlet tube (22), and the other end of circulating pump (21) is equipped with outlet pipe (20).

3. The gas water heater convenient for removing scale according to claim 1, characterized in that: the inside of filtering mechanism (3) has set gradually rose box (301), outlet flue (302), plastics nanometer adsorption net (303), mounting panel (304) and ceramic air filter (305), the central point department of putting on heat exchanger (2) top is equipped with rose box (301), and all is equipped with mounting panel (304) on the inner wall of rose box (301) both sides to the internally mounted of rose box (301) has plastics nanometer adsorption net (303) between adjacent mounting panel (304), installs ceramic air filter (305) between adjacent mounting panel (304) of plastics nanometer adsorption net (303) below.

4. The gas water heater convenient for removing scale according to claim 1, characterized in that: remove the inside of matter mechanism (12) and set gradually box (1201), absorb water pipe (1202), filter pulp (1203), water jet (1204) and spray pipe (1205), the one end that neutralization mechanism (16) was kept away from to device body (1) bottom is equipped with box (1201), and the inside central point department of putting of box (1201) is equipped with filter pulp (1203), and filter pulp (1203) top is equipped with and absorbs water pipe (1202), and the one end of absorbing water pipe (1202) extends to the outside of box (1201), box (1201) bottom of filter pulp (1203) below is equipped with spray pipe (1205), and spray pipe (1204) are all installed to the top of spray pipe (1205).

5. The gas water heater convenient for removing scale according to claim 1, characterized in that: the inside of neutralization mechanism (16) has set gradually third solenoid valve (1601), neutralization box (1602), high temperature water tank (1603), temperature-sensing ware (1604) and fourth solenoid valve (1605), device body (1) bottom of draught fan (17) below is equipped with neutralization box (1602), and the top of neutralization box (1602) is equipped with third solenoid valve (1601) to the bottom of third solenoid valve (1601) extends to the inside of neutralization box (1602).

6. The gas water heater convenient for removing scale according to claim 5, wherein: be equipped with high temperature water tank (1603) on the inner wall of neutralization case (1602) one side, and the one end of high temperature water tank (1603) extends to the inside of neutralization case (1602) to all be equipped with fourth solenoid valve (1605) on the outer wall at neutralization case (1602) both ends, the central point department of putting of neutralization case (1602) bottom is equipped with temperature-sensing ware (1604), and the one end and delivery port (15) fixed connection of temperature-sensing ware (1604).