CN111981456A - Circulating system for supplying water to cold and hot layered boiler and operating method thereof - Google Patents
Circulating system for supplying water to cold and hot layered boiler and operating method thereof Download PDFInfo
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- CN111981456A CN111981456A CN202010801283.5A CN202010801283A CN111981456A CN 111981456 A CN111981456 A CN 111981456A CN 202010801283 A CN202010801283 A CN 202010801283A CN 111981456 A CN111981456 A CN 111981456A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B31/00—Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements of dispositions of combustion apparatus
- F22B31/08—Installation of heat-exchange apparatus or of means in boilers for heating air supplied for combustion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/34—Adaptations of boilers for promoting water circulation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D5/00—Controlling water feed or water level; Automatic water feeding or water-level regulators
- F22D5/26—Automatic feed-control systems
- F22D5/34—Applications of valves
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention provides a circulating system for supplying water to a cold and hot layered boiler and an operation method thereof, wherein the circulating system comprises a condenser connected with the tail part of a boiler energy saver, an inner cavity of a water tank is divided into a water storage cavity and a water taking well, a first inlet and a first outlet are formed in the bottom wall of the water taking well, the water storage cavity is divided into a lower layer cold area and an upper layer hot area through a cold and hot layered pore plate, a plurality of floating ball turning plates are vertically arranged on the side wall of the water taking well, the port of an upper water distributor arranged in the upper layer hot area is communicated with the water taking well, and the bottom of a lower water; a condensation water supply pipeline is connected between the second inlet and the second outlet and the condenser, and a condensation circulating pump is connected on the condensation water supply pipeline in series; the inlet of the boiler economizer is connected with a boiler water supply pipe, a boiler water feed pump is connected on the boiler water supply pipe in series, the outlet of the condenser is connected with a heating water outlet pipe, the boiler water supply pipe and the heating water outlet pipe are gathered to form a third inlet and outlet, a boiler water feed pipeline is connected between the first inlet and outlet and the third inlet and outlet, and a boiler water feed valve is connected on the boiler water feed pipeline in series.
Description
Technical Field
The invention belongs to the technical field of machinery, and relates to a boiler, in particular to a circulating system for supplying water to a cold and hot layered boiler and an operating method thereof.
Background
Fire tube boilers are also known as shell boilers. The fire tube boiler is characterized in that smoke generated after fuel is combusted flows through a fire tube or a smoke tube to heat water, steam or a steam-water mixture outside the fire tube or the smoke tube. The basic structure is that a small cylinder, a pipe (called as a fire tube) or a shell (called as a furnace pipe) in other shapes is arranged in a large cylinder (a boiler shell), the fire tube is isolated from the large cylinder and forms a jacket, water is contained in the jacket, the fire tube and the furnace pipe are used as a combustion chamber and a flue to contain flame or smoke, and heat generated by combustion or brought by the smoke is transferred to the water through the wall of the fire tube.
The existing fire tube boiler cannot carry out a targeted water supply circulation adjustment scheme according to the load change of the boiler, and meanwhile, the water entering a condenser at the tail part of the boiler cannot be ensured to be in a low-temperature state all the time, so that the heat exchange efficiency of flue gas is low, and the energy efficiency of the boiler is wasted.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a circulating system for supplying water to a boiler and an operating method thereof, wherein the circulating system is characterized in that the heat exchange temperature difference is improved by a water tank cold and hot layering principle so as to obtain the maximum countercurrent heat exchange efficiency.
The purpose of the invention can be realized by the following technical scheme: a circulating system for supplying water to a cold and hot layered boiler comprises a condensing boiler, a boiler economizer, a water tank, a boiler water supplementing mechanism and a steam distributing cylinder, wherein a condenser is connected with the tail of the boiler economizer, an inner cavity of the water tank is divided into a water storage cavity and a water taking well or a free float water distributor positioned on one side, a first inlet and a first outlet are formed in the bottom wall of the water taking well, the water storage cavity is divided into a lower-layer cold area and an upper-layer hot area through a cold and hot partition pore plate, a plurality of water passing holes are uniformly formed in the cold and hot partition pore plate, the water taking well is arranged on the side wall of the upper-layer hot area in a vertical arrangement mode, a floating ball turning plate is arranged on the unidirectional flow port upper cover, an upper water distributor is arranged in the upper-layer hot area, the port of the upper water distributor is communicated with the water taking well, a lower water distributor, the second inlet and outlet extends out of the bottom wall of the water tank; a condensation water supply pipeline is connected between the second inlet and the second outlet and the condenser, a condensation circulating pump is connected on the condensation water supply pipeline in series, and a water supply pipeline is connected between the boiler water supply mechanism and the condensation water supply pipeline; an inlet of the boiler economizer is connected with a boiler water supply pipe, a boiler water feed pump is connected on the boiler water supply pipe in series, an outlet of the condenser is connected with a heating water outlet pipe, the boiler water supply pipe and the heating water outlet pipe are gathered to form a third inlet and outlet, a boiler water feed pipeline is connected between the first inlet and outlet and the third inlet and outlet, and a boiler water feed valve is connected on the boiler water feed pipeline in series; the steam outlet of the condensing boiler is connected with the steam distributing cylinder through a main steam pipe, and the steam distributing cylinder is provided with a plurality of branch steam conveying pipes.
In the above-mentioned circulation system for supplying water to the cold and hot stratified boiler, the boiler water supply mechanism includes a salt cylinder and at least one water softener, and the salt cylinder is connected with the water softener. The water softening equipment matched with the boiler enters through a lower water distributor in the water tank to form a lower cold area with layered cold and hot.
In the circulation system for supplying water to the cold and hot layered boiler, the water supply pipeline is connected with the water tank liquid level control electromagnetic valve and the soft water supplement check valve in series.
In the above circulation system for supplying water to the cold and hot layered boiler, the outer wall of the water tank is communicated with a liquid level controller.
In the circulation system for supplying water to the cold and hot layered boiler, a water level control line is carved on the inner wall of the water tank, the water level control line is the highest value of the water level contained in the upper hot zone, and the upper water distributor is positioned below the water level control line.
In the above-mentioned circulation system of cold and hot layering boiler water supply, the top of the water tank is provided with a boiler economizer, a condenser exhaust steam injection port and a breather valve.
The operation method of the circulating system for supplying water to the cold and hot layered boiler comprises the following steps:
1) firstly, starting a condensation circulating pump, sucking low-temperature water in a lower-layer cold area out of a lower water distributor, and enabling the low-temperature water to enter a condenser through a condensation water supply pipeline;
2) the low-temperature water is heated by the heat exchange of the smoke and the steam in the condenser to form high-temperature water, then flows through the heating water outlet pipe and enters the boiler water feeding pump,
a. when the load of the boiler is reduced, a part of high-temperature water enters the first inlet and outlet through a boiler water supply pipeline and then flows into the water taking well, and then the high-temperature water is slowly distributed in the upper-layer hot area by the upper water distributor;
b. when the load of the boiler is increased, the frequency of the boiler water feeding pump is increased, the flow rate is increased, the flow direction in the boiler water feeding pipeline is reversed, high-temperature water is sucked by an upper water distributor in an upper hot area or is sucked by a floating ball turnover plate after being opened, the high-temperature water flows reversely through the water taking well, the first inlet and the first outlet and the boiler water feeding pipeline, and the high-temperature water is supplemented to the boiler water feeding pump, so that the high-temperature water in the upper hot area in the water tank is used in time.
The operation method of the circulation system for supplying water to the cold and hot layered boiler integrally keeps the water tank at a lower temperature and keeps the smoke temperature heat exchange of the boiler in a large temperature difference constant heat exchange range.
In the operation method of the circulation system for supplying water to the cold and hot layered boiler, the supplemented soft water of the boiler is treated by the water softener, a liquid level signal is given by the liquid level controller, the supplemented soft water enters the condensed water supply pipeline through the water tank liquid level control electromagnetic valve and the soft water supplementation check valve, and then slowly flows into the lower layer cold area of the water tank through the lower water distributor, and meanwhile, the flowing degree of the water in the water tank is kept to be minimum, so that the temperature in the water tank is enabled to generate high and low layering.
In the operation method of the circulation system for supplying water to the cold and hot layered boiler, the boiler supplementing soft water is treated by the water softener, a liquid level signal is given by the liquid level controller, the soft water enters the condensation water supply pipeline through the water tank liquid level control electromagnetic valve and the soft water supplementing check valve, and then the soft water directly enters the condensation circulating pump to supplement water quantity, so that the circulating water entering the condenser is always kept at a lower temperature, and the heat exchange of the condenser achieves the smoke condensation effect.
In the operation method of the circulation system for supplying water to the cold and hot layered boiler, when the liquid level rises and exceeds the floating ball, the floating ball turning plate closes the one-way flow port; when the liquid level drops below the floating ball, the floating ball turnover plate opens the one-way flow port; or the water distributor automatically floats on the liquid level of the water tank through the bottom telescopic hose by the free float water distributor to finish the absorption and distribution of hot water.
Compared with the prior art, the circulating system for supplying water to the cold and hot layered boiler and the operating method thereof have the following advantages:
1. according to the principle that the heat of hot water is always moved upwards, the liquid level of the water tank naturally forms an upper-lower layering phenomenon, the upper layer is hot water, the lower layer is cold water, the water supply entering the condenser is always kept with lower cold water entering, the maximization of the smoke heat exchange temperature difference in the condenser is ensured, the optimal temperature requirement of latent heat of vaporization is obtained, the smoke temperature and the condenser water supply temperature are kept in a large temperature difference constant operation range, and the overall heat exchange efficiency of the boiler is remarkably improved.
2. By utilizing the principle of a free floater or floating ball flap water taking well, high-temperature water obtained by heat exchange of the condenser is supplemented to the boiler economizer through the water pump in time for use, so that the whole water tank is kept at a lower operation temperature, the requirement of large temperature difference heat exchange of reverse flow of smoke heat exchange at the tail part of the boiler can be fully embodied, and the overall operation efficiency of the boiler is effectively improved.
Drawings
Fig. 1 is a schematic view showing the structure and operation of the circulation system for supplying water to a cold and hot stratified boiler.
In the figure, 1, a boiler economizer; 2. a boiler water supply pipe; 3. a boiler feed pump; 4. a condenser; 5. heating the water outlet pipe; 6. a water tank; 7. taking a water well; 8. a floating ball turning plate; 9. a boiler feed water conduit; 10. a boiler feed water valve; 11. an upper water distributor; 12. a cold and hot zoned orifice plate; 13. a lower water distributor; 14. a liquid level controller; 15. a condensed water supply pipeline; 16. a condensation circulating pump; 17. a salt cylinder; 18. a water softener; 19. a water replenishing pipeline; 20. a water tank liquid level control electromagnetic valve; 21. a soft water supplement check valve; 22. a main steam pipe; 23. and (4) separating cylinders.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in figure 1, the circulation system of the water supply of the cold and hot layered boiler comprises a condensing boiler and a boiler economizer 1, the boiler energy saver comprises a water tank 6, a boiler water supplementing mechanism and a steam distributing cylinder 23, wherein the tail part of the boiler energy saver 1 is connected with a condenser 4, the inner cavity of the water tank 6 is divided into a water storage cavity and a water taking well 7 or a free float water distributor positioned on one side, the bottom wall of the water taking well 7 is provided with a first inlet and a first outlet, the water storage cavity is divided into a lower-layer cold area and an upper-layer hot area through a cold and hot partition pore plate 12, the cold and hot partition pore plate 12 is uniformly provided with a plurality of water through holes, the side wall of the water taking well 7 adjacent to the upper-layer hot area is vertically arranged with a plurality of one-way flow ports, the upper cover of the one-way flow ports is provided with a float turning plate 8, the upper-layer hot area is provided with an upper water distributor 11, the port of the upper water; a condensation water supply pipeline 15 is connected between the second inlet and the second outlet and the condenser 4, a condensation circulating pump 16 is connected on the condensation water supply pipeline 15 in series, and a water replenishing pipeline 19 is connected between the boiler water replenishing mechanism and the condensation water supply pipeline 15; an inlet of a boiler economizer 1 is connected with a boiler water supply pipe 2, a boiler water feed pump 3 is connected on the boiler water supply pipe 2 in series, an outlet of a condenser 4 is connected with a heating water outlet pipe 5, the boiler water supply pipe 2 and the heating water outlet pipe 5 are gathered to form a third inlet and outlet, a boiler water feed pipeline 9 is connected between the first inlet and the third inlet and outlet, and a boiler water feed valve 10 is connected on the boiler water feed pipeline 9 in series; the steam outlet of the condensing boiler is connected with a steam-distributing cylinder 23 through a main steam pipe 22, and the steam-distributing cylinder 23 is provided with a plurality of branch steam pipes.
The boiler water replenishing mechanism comprises a salt cylinder 17 and at least one water softener 18, wherein the salt cylinder 17 is connected with the water softener 18. The water softening equipment matched with the boiler enters through a lower water distributor 13 in the water tank 6 to form a lower cold area with layered cold and hot.
The water supply pipeline 19 is connected with a water tank liquid level control electromagnetic valve 20 and a soft water supplement check valve 21 in series.
The outer wall of the water tank 6 is communicated with a liquid level controller 14.
A water level control line is carved on the inner wall of the water tank 6, the water level control line is the highest value of the water level contained in the upper hot area, and the upper water distributor 11 is positioned below the water level control line. Depending on the arrangement, a water distributor on a free float can be used to control the water level in the hot zone.
The top of the water tank 6 is provided with a boiler economizer 1, a steam exhaust injection port of the condenser 4 and a breather valve.
The operation method of the circulating system for supplying water to the cold and hot layered boiler comprises the following steps:
1) firstly, starting a condensation circulating pump 16, sucking low-temperature water in a lower-layer cold area out of a lower water distributor 13, and enabling the low-temperature water to enter a condenser 4 through a condensation water supply pipeline 15;
2) the low-temperature water is heated by the heat exchange of the smoke and the steam in the condenser 4 to form high-temperature water, then flows through the heating water outlet pipe 5 and enters the boiler water feeding pump 3,
a. when the load of the boiler is reduced, a part of high-temperature water enters the first inlet and outlet through a boiler water supply pipeline 9 and then flows into the water taking well 7, and then the high-temperature water is slowly distributed in the upper-layer hot area through the upper water distributor 11;
b. when the load of the boiler is increased, the frequency of the boiler water feeding pump 3 is increased, the flow rate is increased, the flow direction in the boiler water feeding pipeline 9 is reversed, high-temperature water is sucked by the upper water distributor 11 in the upper hot area or is sucked after the floating ball turnover plate 8 is opened, the high-temperature water flows reversely through the water taking well 7, the first inlet and the first outlet and the boiler water feeding pipeline 9, and the high-temperature water is supplemented to the boiler water feeding pump 3, so that the high-temperature water in the upper hot area in the water tank 6 is used in time.
The operation method of the circulation system for supplying water to the cold and hot layered boiler integrally keeps the water tank 6 at a lower temperature and keeps the heat exchange of the boiler smoke temperature within a large temperature difference constant heat exchange range.
After the boiler supplies soft water and is treated by the water softener 18, a liquid level signal is given by the liquid level controller 14, enters the condensed water supply pipeline 15 through the water tank liquid level control electromagnetic valve 20 and the soft water supply check valve 21, and then slowly flows into the lower-layer cold area of the water tank 6 through the lower water distributor 13, and meanwhile, the flowing degree of the water in the water tank 6 is ensured to be kept minimum, so that the temperature in the water tank 6 is enabled to generate high-low layering.
After the boiler supplementing soft water is treated by the water softener 18, a liquid level signal is given by the liquid level controller 14, the boiler supplementing soft water enters the condensation water supply pipeline 15 through the water tank liquid level control electromagnetic valve 20 and the soft water supplementing check valve 21 and then directly enters the condensation circulating pump 16 to supplement the water quantity, so that the circulating water entering the condenser 4 is always kept at a lower temperature, and the heat exchange of the condenser 4 achieves the smoke condensation effect.
When the liquid level rises to exceed the floating ball, the floating ball turning plate 8 closes the one-way flow port; when the liquid level drops below the floating ball, the floating ball turning plate 8 opens the one-way flow port; or the water distributor automatically floats on the liquid level of the water tank 6 through the bottom telescopic hose by the free float water distributor to finish the absorption and distribution of hot water.
Compared with the prior art, the circulating system for supplying water to the cold and hot layered boiler and the operating method thereof have the following advantages:
1. according to the principle that the heat of hot water is always moved upwards, the liquid level of the water tank 6 is naturally layered, the upper layer is hot water, the lower layer is cold water, the water supply entering the condenser 4 is always kept at lower cold water entering, the maximization of the temperature difference of smoke and steam heat exchange in the condenser 4 is ensured, the optimal temperature requirement of latent heat of vaporization is obtained, the smoke temperature and the water supply temperature of the condenser 4 are kept in a large temperature difference constant operation range, and the overall heat exchange efficiency of the boiler is remarkably improved.
2. By utilizing the principle of a water taking well with a free floater or a floating ball turnover plate 8, high-temperature water obtained by heat exchange of the condenser 4 is supplemented to the boiler economizer 1 through a water pump in time for use, so that the whole water tank 6 is kept at a lower operation temperature, the requirement of reverse flow large temperature difference heat exchange of smoke and steam heat exchange at the tail part of the boiler can be fully embodied, and the overall operation efficiency of the boiler is effectively improved.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Although the boiler economizer 1 is used more herein; a boiler water supply pipe 2; a boiler feed pump 3; a condenser 4; heating the water outlet pipe 5; a water tank 6; a water taking well 7; a floating ball turning plate 8; a boiler feed water line 9; a boiler feed water valve 10; an upper water distributor 11; a cold and hot zoned orifice 12; a lower water distributor 13; a liquid level controller 14; a condensate feed line 15; a condensation circulation pump 16; a salt cylinder 17; a water softener 18; a water supply pipeline 19; a tank level control solenoid valve 20; a soft water supplement check valve 21; a main steam pipe 22; cylinder 23, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (10)
1. A circulating system for supplying water to a cold and hot layered boiler comprises a condensing boiler, a boiler economizer, a water tank, a boiler water replenishing mechanism and a steam distributing cylinder, wherein a condenser is connected with the tail part of the boiler economizer and is characterized in that an inner cavity of the water tank is divided into a water storage cavity and a water taking well or a free float water distributor positioned on one side, a first inlet and a first outlet are formed in the bottom wall of the water taking well, the water storage cavity is divided into a lower layer cold area and an upper layer hot area through a cold and hot partition pore plate, a plurality of water passing holes are uniformly formed in the cold and hot partition pore plate, a plurality of one-way flow ports are formed in the vertical arrangement of the water taking well close to the side wall of the upper layer hot area, a floating ball turning plate is arranged on the one-way flow port upper cover, an upper water distributor is arranged in the upper layer hot area, the port of the upper water distributor is communicated with the, the second inlet and outlet extends out of the bottom wall of the water tank; a condensation water supply pipeline is connected between the second inlet and the second outlet and the condenser, a condensation circulating pump is connected on the condensation water supply pipeline in series, and a water supply pipeline is connected between the boiler water supply mechanism and the condensation water supply pipeline; an inlet of the boiler economizer is connected with a boiler water supply pipe, a boiler water feed pump is connected on the boiler water supply pipe in series, an outlet of the condenser is connected with a heating water outlet pipe, the boiler water supply pipe and the heating water outlet pipe are gathered to form a third inlet and outlet, a boiler water feed pipeline is connected between the first inlet and outlet and the third inlet and outlet, and a boiler water feed valve is connected on the boiler water feed pipeline in series; the steam outlet of the condensing boiler is connected with the steam distributing cylinder through a main steam pipe, and the steam distributing cylinder is provided with a plurality of branch steam conveying pipes.
2. A water circulating system for a cold and hot stratified boiler as claimed in claim 1, wherein said boiler feed water mechanism includes a salt cylinder and at least one water softener, said salt cylinder being connected to said water softener.
3. A water circulating system for a cold and hot stratified boiler as claimed in claim 1, wherein a tank level control solenoid valve and a soft water supply check valve are connected in series to said water supply pipe.
4. A circulation system of water supply for a cold and hot stratified boiler as claimed in claim 1, wherein a level controller is connected to an outer wall of said water tank.
5. A water circulating system for a cold and hot stratified boiler as claimed in claim 1, wherein a water level control line is defined on an inner wall of said water tank, said water level control line being a highest value of a water level received in said upper hot zone, and said upper water distributor being located below said water level control line.
6. A water circulating system for a cold and hot stratified boiler as claimed in claim 1, wherein a boiler economizer, a condenser exhaust steam injection port and a breather valve are provided at a top of said water tank.
7. The operating method of a circulation system for cold and hot stratified boiler feed water as claimed in claim 1, comprising the steps of:
1) firstly, starting a condensation circulating pump, sucking low-temperature water in a lower-layer cold area out of a lower water distributor, and enabling the low-temperature water to enter a condenser through a condensation water supply pipeline;
2) the low-temperature water is heated by the heat exchange of the smoke and the steam in the condenser to form high-temperature water, then flows through the heating water outlet pipe and enters the boiler water feeding pump,
a. when the load of the boiler is reduced, a part of high-temperature water enters the first inlet and outlet through a boiler water supply pipeline and then flows into the water taking well, and then the high-temperature water is slowly distributed in the upper-layer hot area by the upper water distributor; or the upper-layer water distribution of the high-temperature water is completed through a free float water distributor;
b. when the load of the boiler is increased, the frequency of the boiler water feeding pump is increased, the flow rate is increased, the flow direction in the boiler water feeding pipeline is reversed, high-temperature water is sucked by an upper water distributor in an upper hot area or is sucked by a floating ball turnover plate after being opened, the high-temperature water flows reversely through the water taking well, the first inlet and the first outlet and the boiler water feeding pipeline, and the high-temperature water is supplemented to the boiler water feeding pump, so that the high-temperature water in the upper hot area in the water tank is used in time.
8. A method for operating a water circulating system for a cold and hot stratified boiler as claimed in claim 7, wherein the boiler make-up soft water is treated by the water softener, and then a level signal is given by the level controller, and then the water enters the condensed water supply pipe through the tank level control solenoid valve and the soft water make-up check valve, and then flows slowly into the lower cold zone of the water tank through the lower water distributor, while ensuring that the flow of water inside the water tank is kept to a minimum, thereby promoting the stratification of the temperature inside the water tank.
9. The method of claim 7, wherein the boiler make-up soft water is treated by the water softener, and then the water level controller gives a level signal, and the water enters the condensed water supply pipeline through the water tank level control solenoid valve and the soft water make-up check valve, and then directly enters the condensed circulating pump to make up the water supply, so that the circulating water entering the condenser is always kept at a lower temperature, and the heat exchange of the condenser achieves the effect of condensing the smoke.
10. The operation method of a water supply circulation system for a cold and hot stratified boiler as claimed in claim 7, wherein when the liquid level rises above the float ball, the float ball flap closes the one-way flow port; when the liquid level drops below the floating ball, the floating ball turnover plate opens the one-way flow port; or the water distributor automatically floats on the liquid level of the water tank through the bottom telescopic hose by the free float water distributor to finish the absorption and distribution of hot water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010801283.5A CN111981456B (en) | 2020-08-11 | 2020-08-11 | Circulating system for supplying water to cold and hot layered boiler and operating method thereof |
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| CN202010801283.5A CN111981456B (en) | 2020-08-11 | 2020-08-11 | Circulating system for supplying water to cold and hot layered boiler and operating method thereof |
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| CN111981456B CN111981456B (en) | 2022-04-12 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183009A (en) * | 2011-05-13 | 2011-09-14 | 江苏双良锅炉有限公司 | Water supply system of condensing steam boiler |
| CN202229164U (en) * | 2011-08-17 | 2012-05-23 | 安阳方快锅炉有限公司 | Condensing type steam boiler energy-saving heating device |
| CN104990264A (en) * | 2015-08-01 | 2015-10-21 | 湘潭锅炉有限责任公司 | Full-condensation boiler |
| CN210069819U (en) * | 2019-04-18 | 2020-02-14 | 福建省新元能源发展有限公司 | Horizontal energy-saving water tank for gas boiler |
| CN212746910U (en) * | 2020-08-11 | 2021-03-19 | 浙江特富发展股份有限公司 | Circulation system for supplying water to cold and hot layered boiler |
-
2020
- 2020-08-11 CN CN202010801283.5A patent/CN111981456B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183009A (en) * | 2011-05-13 | 2011-09-14 | 江苏双良锅炉有限公司 | Water supply system of condensing steam boiler |
| CN202229164U (en) * | 2011-08-17 | 2012-05-23 | 安阳方快锅炉有限公司 | Condensing type steam boiler energy-saving heating device |
| CN104990264A (en) * | 2015-08-01 | 2015-10-21 | 湘潭锅炉有限责任公司 | Full-condensation boiler |
| CN210069819U (en) * | 2019-04-18 | 2020-02-14 | 福建省新元能源发展有限公司 | Horizontal energy-saving water tank for gas boiler |
| CN212746910U (en) * | 2020-08-11 | 2021-03-19 | 浙江特富发展股份有限公司 | Circulation system for supplying water to cold and hot layered boiler |
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| CN111981456B (en) | 2022-04-12 |
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