CN209763031U - Water changing device of steam generator - Google Patents
Water changing device of steam generator Download PDFInfo
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- CN209763031U CN209763031U CN201920587157.7U CN201920587157U CN209763031U CN 209763031 U CN209763031 U CN 209763031U CN 201920587157 U CN201920587157 U CN 201920587157U CN 209763031 U CN209763031 U CN 209763031U
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Abstract
The utility model discloses a water changing device of a steam generator, which comprises a water container and a combustion chamber arranged below the water container, wherein a condenser is arranged above the water container, the lower part of the water container is connected with a drain pipe, the drain pipe is connected with a heat exchange pipe in a vertically arranged heat exchanger, the upper end and the lower end of the heat exchanger are closed, a flowing water cavity is formed in the heat exchanger, a water inlet and a water outlet which are the same as the flowing water cavity are arranged on the heat exchanger, and the water outlet is communicated with the condenser through a water supplementing pipe; the water discharged from the drainage pipe flows through the heat exchange pipe to exchange heat with the water in the water flowing cavity. The utility model has the advantages that: the structure is simple, the measures of evaporating and draining are carried out simultaneously, the concentration of calcium and magnesium ions in water is effectively reduced, the problem of scale formation is solved, heat is effectively recovered through the heat exchanger, and the energy-saving thermal efficiency is not influenced.
Description
Technical Field
The utility model belongs to the technical field of steam generator makes the technique and specifically relates to indicate a steam generator trades water installation.
Background
A steam generator (commonly called a micro boiler) is a device that heats water to generate steam by using gas or electricity. In the process of evaporation of the steam generator, the concentration of calcium and magnesium ions in water is increased continuously, when the concentration of calcium and magnesium ions in water reaches saturation, precipitation is formed, and finally scale is formed.
The formation of the scale can greatly influence the heat efficiency of the steam generator, increase the consumption of energy, can also lead to the water container to be burnt and cracked, therefore need regularly clear up the scale, waste time and energy, can consequently improve the maintenance cost, also can consequently interrupt the production of steam, if adopt the complicated water treatment of boiler, small-size steam user is difficult to bear, all kinds of steam generators on the existing market, basically all cause to scrap because the scale is too many, many enterprises try various solutions, including using the pure water, but the pure water cost of manufacture is very high and the equipment cost invests greatly, therefore, we plan to make further improvement to the structure of the existing steam generator, reach the situation that reduces the scale or even stop the scale.
Disclosure of Invention
The utility model aims to solve the technical problem that to prior art's current situation, provide simple structure, can fine solution incrustation scale problem and do not influence energy-conserving thermal efficiency's a steam generator trades water installation.
the utility model provides a technical scheme that above-mentioned technical problem adopted does:
A water changing device of a steam generator comprises a water container and a combustion chamber arranged below the water container, wherein a condenser is arranged above the water container, the lower part of the water container is connected with a drain pipe, the drain pipe is connected with a heat exchange pipe in a heat exchanger which is vertically arranged, the upper end and the lower end of the heat exchanger are closed, a flowing water cavity is formed in the heat exchanger, a water inlet and a water outlet which are the same as the flowing water cavity are formed in the heat exchanger, and the water outlet is communicated with the condenser through a water supplementing pipe; the water discharged from the drainage pipe flows through the heat exchange pipe to exchange heat with the water in the water flowing cavity.
The optimized technical measures further comprise:
The water outlet pipe is connected to the upper end of the heat exchange pipe, the water inlet is formed in the lower end of the heat exchanger, and the water outlet is formed in the upper end of the heat exchanger.
The condenser is provided with an induced draft fan, the induced draft fan is connected and matched with an induced draft fan motor, and an induced draft fan chimney is arranged on the induced draft fan.
The heat exchange tube is a spiral coil.
The utility model discloses a steam generator trades water installation, simple structure, in order to reduce the calcium magnesium ion concentration that rises constantly, adopt the measure of drainage while evaporating, thus keep the calcium magnesium ion concentration of the water in the steam generator unlikely to reach saturation, and keep the water yield in the water container through moisturizing; because the discharged hot water is used, in order to avoid large loss of heat, the discharged hot water and the supplemented cold water exchange heat in the heat exchanger, so that the problem of scale formation is solved, and the energy-saving thermal efficiency is not influenced.
Through the design, the difference between the discharged hot water temperature and the inlet water temperature is not great, and the minimum temperature difference is 3 ℃. Basically has no influence on the whole energy consumption.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in figure 1, the structure of the present invention is schematically shown,
Wherein the reference numerals are: the device comprises a water container 1, a combustion chamber 2, a condenser 3, a water discharge pipe 4, a heat exchanger 5, a water flowing cavity 5a, a water inlet 51, a water outlet 52, a heat exchange pipe 6, a water replenishing pipe 7, an induced draft fan 8, an induced draft fan motor 81 and an induced draft fan chimney 82.
As shown in figure 1 of the drawings, in which,
A water changing device of a steam generator comprises a water container 1 and a combustion chamber 2 arranged below the water container 1, wherein a condenser 3 is arranged above the water container 1, the lower part of the water container 1 is connected with a drain pipe 4, the drain pipe 4 is connected with a heat exchange pipe 6 in a heat exchanger 5 which is vertically arranged, the upper end and the lower end of the heat exchanger 5 are closed, a flowing water cavity 5a is formed in the heat exchanger 5, a water inlet 51 and a water outlet 52 which are the same as the flowing water cavity 5a are formed in the heat exchanger 5, and the water outlet 52 is communicated with the condenser 3 through a water supplementing pipe 7; the water discharged from the water discharge pipe 4 passes through the heat exchange pipe 6 to be heat-exchanged with the water in the water flow chamber 5 a.
in the embodiment, the water discharge pipe 4 is connected to the upper end of the heat exchange pipe 6, the water inlet 51 is arranged at the lower end of the heat exchanger 5, and the water outlet 52 is arranged at the upper end of the heat exchanger 5.
In the embodiment, the condenser 3 is provided with an induced draft fan 8, the induced draft fan 8 is connected and matched with an induced draft fan motor 81, and an induced draft fan chimney 82 is arranged on the induced draft fan 8.
The draught fan 8 is arranged to accelerate the extraction of steam.
In the embodiment, the heat exchange pipe 6 is a spiral coil. The spiral coil pipe is adopted, so that the length of the heat exchange pipe 6 can be increased in a limited space, the flowing time of the discharged hot water in the heat exchanger 5 is increased, meanwhile, the heat exchange area between the heat exchange pipe 6 and cold water in the water flowing cavity 5a is increased, the heat exchange is more sufficient and effective, and the heat recovery rate is improved.
The utility model discloses a principle is the water that continuous discharge calcium magnesium ion concentration gradually rose in evaporation process, and the emission ratio is 5%, 10%, 20% of evaporation rate, through calculating, if the evaporation capacity is 100 kilograms, the water courage volume is 10 kilograms, and every 6 minutes evaporates 10 kilograms, and drainage speed is 10% 5% =0.5kg promptly: 0.5kg/6 min. At this discharge rate and evaporation rate, the calcium and magnesium ions approach the peak value in 3 hours, and after 5 hours, the calcium and magnesium ions do not increase any more, and the initial concentration is maintained 15 times, if the discharge rate is 10% of the total water amount: 1kg/6 min, then after 1 hour the peak is approached, after 2 hours the concentration no longer increases, the concentration remains 8 times the initial concentration, provided the discharge rate is 20%, i.e.: 2kg/6 min, then the half hour reaches the peak and the concentration no longer increases, and remains at 3 times the initial concentration, i.e. the higher the discharge ratio, the lower the calcium and magnesium ions in the water, which can remain at 10-20% and perfectly solve the scale problem.
the discharged waste water can take away heat at the same time, so that the energy consumption is increased, the larger the discharge amount is, the larger the energy consumption is, the more the waste is, so that the problem needs to be solved, and the implementation of the technology solves the problem through heat exchange of water replenishing and water discharging.
The working principle is as follows:
The combustion chamber 2 heats water in the water container 1 to generate heat, the water in the water container 1 is heated to continuously generate steam, when the steam generator works, part of hot water in the water container 1 is led out from the drain pipe 4 to the heat exchange pipe 6 in the heat exchanger 5, the drain pipe 4 is connected with the upper end of the heat exchange pipe 6, the drained hot water flows through the heat exchange pipe 6 from top to bottom and is finally discharged from the lower end of the heat exchange pipe 6, meanwhile, supplemented cold water flows into the inflow water cavity 5a from the water inlet 51 of the heat exchanger 5, and flows into the condenser 3 from the water outlet 52 of the heat exchanger 5 through the water replenishing pipe 7 along with the rise of the water level in the inflow water cavity 5a to supplement the water quantity. The water is drained through the drain pipe 4 and the water is supplemented through the water supplementing pipe 7 synchronously, so that the water quantity in the water liner 1 is ensured.
In the process of replenishing water in the water container 1, the concentration of calcium and magnesium ions in the water container 1 can be effectively reduced, so that the concentration of calcium and magnesium ions in the water container 1 is not saturated, and the problem of scale formation is solved. In the process of one-row supplement, hot water discharged from the water container 1 flows through the heat exchange tube 6 from top to bottom, and supplemented cold water flows into the water flowing cavity 5a of the heat exchanger 5 from a water inlet 51 at the lower end and flows out from a water outlet 52 at the upper end; the cold and hot water flow in the reverse direction in the heat exchanger 5, and heat exchange is sufficiently performed, so that the temperature of the supplemented cold water is increased, and the temperature of the discharged hot water is decreased. The heat exchange in the heat exchanger 5 can effectively recycle the waste heat of the discharged hot water, thereby avoiding the waste of heat and avoiding the overhigh temperature of the discharged waste water.
The utility model discloses a measure of drainage while evaporating to through the heat exchange between moisturizing and the drainage, effectively reduced calcium magnesium ion concentration, solved the problem of incrustation scale formation, carry out abundant recycle to the waste heat again, do not influence energy-conserving thermal efficiency, be favorable to energy saving and emission reduction.
While the preferred embodiments of the present invention have been illustrated, various changes and modifications may be made by those skilled in the art without departing from the scope of the present invention.
Claims (4)
1. the utility model provides a steam generator trades water installation, including water courage (1) with set up in combustion chamber (2) of water courage (1) below, characterized by: a condenser (3) is arranged above the water container (1), the lower part of the water container (1) is connected with a drain pipe (4), the drain pipe (4) is connected with a heat exchange pipe (6) in a vertically arranged heat exchanger (5), the upper end and the lower end of the heat exchanger (5) are closed, a water flowing cavity (5a) is formed in the heat exchanger (5), a water inlet (51) and a water outlet (52) which are the same as the water flowing cavity (5a) are formed in the heat exchanger (5), and the water outlet (52) is communicated with the condenser (3) through a water replenishing pipe (7); the water discharged from the water discharge pipe (4) flows through the heat exchange pipe (6) to exchange heat with the water in the water flowing cavity (5 a).
2. A steam generator water changing device according to claim 1, wherein: the water outlet pipe (4) is connected to the upper end of the heat exchange pipe (6), the water inlet (51) is arranged at the lower end of the heat exchanger (5), and the water outlet (52) is arranged at the upper end of the heat exchanger (5).
3. A steam generator water changing device according to claim 2, wherein: condenser (3) on be provided with draught fan (8), this draught fan (8) is connected the cooperation with draught fan motor (81), draught fan (8) on be provided with draught fan chimney (82).
4. A steam generator water changing device according to claim 3, wherein: the heat exchange tube (6) is a spiral coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920587157.7U CN209763031U (en) | 2019-04-26 | 2019-04-26 | Water changing device of steam generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920587157.7U CN209763031U (en) | 2019-04-26 | 2019-04-26 | Water changing device of steam generator |
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| Publication Number | Publication Date |
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| CN209763031U true CN209763031U (en) | 2019-12-10 |
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| CN201920587157.7U Active CN209763031U (en) | 2019-04-26 | 2019-04-26 | Water changing device of steam generator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915808A (en) * | 2019-04-26 | 2019-06-21 | 宁波金名片能源科技有限公司 | A kind of steam generator changes water installations |
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2019
- 2019-04-26 CN CN201920587157.7U patent/CN209763031U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915808A (en) * | 2019-04-26 | 2019-06-21 | 宁波金名片能源科技有限公司 | A kind of steam generator changes water installations |
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