CN2736653Y - Environment protection hot-water boiler - Google Patents

Abstract

The utility model discloses an environment protection hot-water boiler, comprising a boiler body; a hot water jacket is provided on the boiler body; the hearth of the boiler body is compose of an upright front hearth and an upright rear hearth which are mutually communicated branch hearths. A coal inlet is provided at the upper end of the front hearth; a spacing wall for separating is upward provided from the lower bottom of the rear hearth; and the spacing wall for separating is corresponding to the communication part of the lower parts of the branch hearths. The spacing wall for separating divides the power part of the rear hearth into a front space and a rear space which are mutually separated; the two spaces are communicated at the upper part of the rear hearth; the smoke outlet is provided on a furnace wall corresponding to the rear space. The environment protection hot-water boiler is provided with the two communicated branch hearths and the spacing wall for separating which supplies a meander smoke channel in the rear hearth, and thus coal-fired gas passes through the coal-burning layer of the front hearth from top to bottom, then upward across the spacing wall for separating to the rear space, and is exhausted from the smoke outlet. The coal-fired gas can sufficiently burns in the hearth.

Description

The environment protecting water-heating boiler

Technical field

The utility model provides a kind of hot-water boiler, especially a kind of environment protecting water-heating boiler.

Background technology

At present, human institute relies on the air of surviving and is being subjected to the pollution that never has, and one of pollution sources are exactly discharged flue gas in burning---carbon dioxide, nitrogen oxide, CO gas.Want environmental protection, just should reduce above-mentioned flue gas and in atmosphere, discharge.Environmental issue is the key issue during boiler design is produced, and requires environmental protection, just should reduce not clean-burning coal particle in the boiler emission flue gas as far as possible, and technical solution of the prior art is a lot, as increases the intake of coal-fired chamber, and coal is fully burnt.Also have plenty of the time of staying of prolong smoke in boiler as far as possible, sectional area by reducing discharge flue or prolong that the length of discharge flue realizes often, but, if increase intake simply, can increase the operating cost of boiler, as increase power of air-supply arrangement etc., and design the height that long discharge flue can increase boiler, especially often do not accomplish especially for miniature boiler.Therefore, boiler of the prior art is often still wanted over-emitting black exhaust, contaminated environment when using bituminous coal.

How can not increase the power of blower fan and do not change the volume of existing boiler and can make fire coal fully burning in coal-fired chamber in the boiler, even with bituminous coal yet over-emitting black exhaust not, this problem does not obtain fine solution in the prior art.

Summary of the invention

The purpose of this utility model is to improve deficiency of the prior art, provides a kind of coal that can make to be fully burned in boiler, does not increase the height of boiler and the environment protecting water-heating boiler of operating cost simultaneously again.

The purpose of this utility model is achieved in that

The environment protecting water-heating boiler that the utility model provides, it comprises a body of heater, body of heater is provided with body of heater and is provided with the hot water jacket, burner hearth in this body of heater vertically divides burner hearth to form by two that thereunder are interconnected, it is respectively front furnace is stoking chamber and rear hearth, upper end in described stoking chamber is provided with the coal import, on the sidewall of stoking chamber, also be provided with breast hole and cleaning door, on the furnace wall of rear hearth, be provided with flue, upwards be provided with an obstruct partition from the burner hearth lower bottom part of rear hearth, it is relative with two described minute burner hearth below connections place, described obstruct partition is divided into front space spaced apart from each other and rear space i.e. first combustion chamber and second combustion chamber with the lower part of rear hearth, and these two spaces are communicated with above rear hearth; Described outlet flue is located at described rear space promptly on the corresponding furnace wall in second combustion chamber; Be provided with thermal-collecting tube in first combustion chamber and second combustion chamber, it is connected with described hot water jacket.

This environment protecting water-heating boiler is to have two branch burner hearths that are communicated with the difference of the maximum of the boiler of prior art, and be provided with the obstruct partition in the rear hearth, outlet flue is located on the rear space furnace wall that intercepts the partition back, thus, coal gas is wanted to pass from top to bottom from the coal-fired layer of front furnace earlier, upwards walk around the obstruct partition again, reach rear space, could discharge from flue then.Like this, coal gas just can be fully burned in burner hearth.

Further, this environment protecting water-heating boiler can also comprise the temperature control device of banking up a fire, this device of banking up a fire comprises and is located at the mouth of banking up a fire that is in communication with the outside on the furnace wall, described stoking chamber, be provided with fire banking-up board thereon movably, this fire banking-up board is connected with a connecting rod, this connecting rod connects thermally sensitive temperature control driver, and the thermosensitive probe of this thermally sensitive temperature controller places the furnace gas in the body of heater.

Like this, when the temperature of the furnace gas in the body of heater reached setting value, this temperature control device of banking up a fire can be closed the mouth of banking up a fire automatically.Therefore, this boiler energy-saving effect is also very outstanding.

Description of drawings

Below in conjunction with accompanying drawing structure of the present utility model and beneficial effect are described further.

The structural representation of the environment protecting water-heating boiler that Fig. 1 provides for the utility model;

Fig. 2 is the A-A sectional structure schematic diagram of Fig. 1

Fig. 3 is the side-looking structural representation of Fig. 1.

The specific embodiment

As illustrated in fig. 1 and 2, the environment protecting water-heating boiler that the utility model provides comprises a body of heater 1, burner hearth in this body of heater vertically divides burner hearth to form by two that thereunder are interconnected, it is respectively front furnace is stoking chamber 11 and rear hearth 12, be provided with coal import 111 in the upper end of stoking chamber 11, on the furnace wall of rear hearth 12, be provided with flue 121, upwards be provided with an obstruct partition 122 from the burner hearth lower bottom part of rear hearth 12, it is relative with two branch burner hearth below connections place, intercept partition 122 lower part of rear hearth 12 is divided into i.e. i.e. second combustion chamber 124 of first combustion chamber 123 and rear space of front space spaced apart from each other, these two spaces are communicated with above rear hearth; Outlet flue 121 is located on the furnace wall of rear space 124 correspondences.Be provided with hot water jacket 10 in the outside of body of heater 1.And be provided with water inlet 101 and delivery port 102 and 103.

Formed a space between former and later two burner hearths, it is closed formation thermal-arrest water jacket 10 ', it is connected with hot water jacket 10.

This hot-water boiler has bigger hot water jacket, in order to make full use of heat energy, and make this boiler that multiple use hot water can be provided, can in the top chuck of hot water jacket 10 and the 10 ' connection of thermal-arrest water jacket, heat exchanger tube 104 be set, it stretches out from chuck imports and exports 104a and 104b, and bath hot water is provided.

In first combustion chamber with above the obstruct partition, be provided with three straight formula thermal-collecting tubes 10 ", be communicated with hot water jacket 10.

Top intercepting partition 122 is provided with hot-water cavity 1221 in the partition, communicating pipe 122a, the 122b of the both sides by intercepting partition 122 make it be connected with the water jacket 10 of boiler.

Do not establish hot-water cavity in the bottom that intercepts partition 122, be solid partition, to improve the intensity of partition.But can wear secondary wind inlet 1222 therein, be communicated with the outside.

Intercepting partition 122 side relative with front furnace can not be vertical plane, but the shape of dashing forward before gradually after contracting after gradually earlier from bottom to top, forms first combustion chamber of the passage 125 with a bending with the furnace wall.

Be provided with breast hole 113 on the fire grate 112 being positioned on the sidewall of front furnace, under fire grate, be provided with cleaning door 114.

This environment protecting water-heating boiler can also comprise the temperature control device 2 of banking up a fire, this device of banking up a fire comprise be located at that stoking chamber 11 upper sides are in communication with the outside on the furnace wall bank up a fire mouthfuls 21, be provided with fire banking-up board 22 thereon movably, this fire banking-up board 22 is connected with a connecting rod 23, this connecting rod 23 connects thermally sensitive temperature control driver 24, and the thermosensitive probe 25 of this thermally sensitive temperature controller places the furnace gas in the body of heater.Thermally sensitive temperature control driver 24 comprises that one has the temperature-sensitive bellows that expands with heat and contract with cold, when the temperature of thermosensitive probe impression is higher than setting value, and the temperature-sensitive bellows expansion, and drivening rod motion, then drive the fire banking-up board motion mouth of banking up a fire gradually, at last, can be with mouthful Close All of banking up a fire.When the furnace temperature of thermosensitive probe impression is lower than setting value, temperature-sensitive bellows contract, and drivening rod counter motion, and drive fire banking-up board also counter motion open the mouth of banking up a fire gradually.The mouth of banking up a fire in the present embodiment is " CXGS " hollow font mouth 21.In stoking chamber 11, be fixed with a baffle plate 116, block coal and do not make it block flue gas mouth 27 and influence the bank up a fire operate as normal of device of temperature control with respect to bank up a fire flue gas mouth 27 places of device 2 of temperature control.

Also be provided with depositing dust mouth 12 ' above rear hearth 12, at ordinary times, this depositing dust mouth sealing after use a period of time, can be opened it, falls within thermal-collecting tube and the dust that intercepts on the partition by this depositing dust mouth cleaning, prevents that laying dust is too much, improves heat transfer efficiency.

On furnace sidewall, also be provided with flame-observing hole 3.

During use, from coal import 111 coal to front furnace, coal combustion, flue gas flows downward in front furnace, then, enters first combustion chamber 123, upwards enter second combustion chamber 124 by intercepting partition 122 again, the outlet flue from second combustion chamber of rear hearth is discharged burner hearth at last.Flue gas is fully burned.

Because its specific structure of this boiler makes it have a bigger coal storeroom, one time coal can use 8-15 hour, in the burner hearth of front and back in the tortuous passage, the coal gas that the gasification by natural wind and coal smoke produces can reach abundant burning, the absorption more thermal energy, avoid the waste of fuel

This product is a normal-pressure boiler, selects for use coal to can be low coking coal cinder, smokeless coal cinder, and this product reaches more than 90% according to the heat absorption ratio of 6000 kcal/kg design, the results showed, and using has the bituminous coal effect identical.85 ℃ of normal operation leaving water temperatures, 60 ℃ of return water temperatures, heating area 100-1000 square metre, thereby be applicable to comfortable house, and medium-sized and small enterprises unit, individual heating, domestic water, bathing is for numerous clients provide convenience.

Claims (9)

1, a kind of environment protecting water-heating boiler, it is characterized in that: it comprises a body of heater, body of heater is provided with body of heater and is provided with the hot water jacket, burner hearth in this body of heater vertically divides burner hearth to form by two that thereunder are interconnected, it is respectively front furnace is stoking chamber and rear hearth, upper end in described stoking chamber is provided with the coal import, on the sidewall of stoking chamber, also be provided with breast hole and cleaning door, on the furnace wall of rear hearth, be provided with flue, upwards be provided with an obstruct partition from the burner hearth lower bottom part of rear hearth, it is relative with two described minute burner hearth below connections place, described obstruct partition is divided into front space spaced apart from each other and rear space i.e. first combustion chamber and second combustion chamber with the lower part of rear hearth, and these two spaces are communicated with above rear hearth; Described outlet flue is located at described rear space promptly on the corresponding furnace wall in second combustion chamber; Be provided with thermal-collecting tube in first combustion chamber and second combustion chamber, it is connected with described hot water jacket.

2, environment protecting water-heating boiler according to claim 1, it is characterized in that: also comprise the temperature control device of banking up a fire, this device of banking up a fire comprises and is located at the mouth of banking up a fire that is in communication with the outside on the furnace wall, described stoking chamber, be provided with fire banking-up board thereon movably, this fire banking-up board is connected with a connecting rod, this connecting rod connects thermally sensitive temperature control driver, and the thermosensitive probe of this thermally sensitive temperature controller places the furnace gas in the body of heater.

3, environment protecting water-heating boiler according to claim 2 is characterized in that: described thermally sensitive temperature control driver is the driver of the temperature-sensitive bellows that expands with heat and contract with cold.

4, environment protecting water-heating boiler according to claim 1 and 2, it is characterized in that: the side that described obstruct partition is relative with described front furnace be after contracting after gradually earlier from bottom to top gradually before prominent shape, form first combustion chamber of passage with the furnace wall with a bending.

5, environment protecting water-heating boiler according to claim 1 and 2 is characterized in that: on the top of described obstruct partition, be provided with hot-water cavity in the partition, it is connected with the water jacket of boiler.

6, environment protecting water-heating boiler according to claim 5 is characterized in that: in the bottom of described obstruct partition is solid partition, wherein wears the secondary wind inlet, is communicated with the outside.

7, environment protecting water-heating boiler according to claim 1 and 2 is characterized in that: in the chuck heat exchanger tube is set above described hot water jacket and the connection of thermal-arrest water jacket, it stretches out import and export so that bath hot water to be provided from chuck.

8, environment protecting water-heating boiler according to claim 1 and 2, it is characterized in that: the top of described rear hearth also is provided with the depositing dust mouth.

9, environment protecting water-heating boiler according to claim 2 is characterized in that: be fixed with a baffle plate and do not make it block the flue gas mouth to block coal with respect to the bank up a fire flue gas mouth place of device of described temperature control in that described stoking is indoor.