CN207936051U - a kind of boiler for thermal power generation - Google Patents

Abstract

The utility model is related to a kind of boilers for thermal power generation, it include the combustion chamber equipped with feed inlet and gas outlet, the feed inlet of combustion chamber is connect with coal feeder, combustion chamber is connected to by gas outlet with steam chamber, first partition and second partition are provided in combustion chamber from top to bottom, combustion chamber is separated into for air cavity, combustion chamber and ashes chamber by first partition and second partition from top to bottom, it supplies intracavitary and is equipped with feeder, feeder is electrically connected with control device, be equipped with baffle at feed inlet, baffle upper end and combustion chamber it is side walls hinged.The utility model has the beneficial effects that simple in structure, reasonable design, second partition setting reticulates so that the ashes that burn fall into ashes chamber in time, and air is replenished in time in feeder, and burning coal fully burns, energy saving；The baffle being arranged at the feed inlet of the combustion chamber indoor flue gas that can prevent from burning is played a reversed role corrosion coal feeder, is played a protective role to coal feeder, is extended service life of equipment, reduce environmental pollution.

Description

A kind of boiler for thermal power generation

Technical field

The utility model is related to steam power plant technical fields, and in particular to a kind of boiler for thermal power generation.

Background technology

Boiler is a kind of energy conversion, and the energy inputted to boiler has chemical energy, electric energy in fuel, boiler output Steam, high-temperature water with certain thermal energy or organic heat carrier.The hot water or steam generated in boiler can directly be industrial production Required thermal energy is provided with people's lives, mechanical energy can be also converted to by Steam Power Equipment, or again will be mechanical by generator Electric energy can be converted to.

Currently, the station boiler in China is mainly using coal dust as fuel.It is deposited when in use by the station boiler of fuel of coal In problems with：The air capacity supplied when 1, being burnt in the boiler due to coal dust is insufficient or air undercompounding so that coal dust It burns insufficient, fuel is caused not make full use of, waste is larger；2, the feed inlet of boiler opens wide, and dust disperse is extremely when coal In air, air pollution is serious；Meanwhile when coal feeder stoppage in transit, the flue gas in boiler, which is played a reversed role, corrodes coal feeder, influences equipment Service life；3, the burning ashes in boiler can not be detached with burning coal in time, influence the effect of burning coal combustion.

Utility model content

The technical problem to be solved by the utility model is to provide a kind of boiler for thermal power generation, device design is closed Reason, the interior inflation of boiler is sufficient, and burning coal combustion is abundant, and burning ashes can be detached with the coal that burns in time, and combustion efficiency significantly improves； Meanwhile using totally enclosed type combustion furnace, coal feeder being avoided to be corroded, it reduces environmental pollution simultaneously.

The technical solution that the utility model solves above-mentioned technical problem is as follows：

A kind of boiler for thermal power generation, includes the combustion chamber equipped with feed inlet and gas outlet, the combustion chamber into Material mouth is connect with coal feeder, and the combustion chamber is connected to by gas outlet with steam chamber, is arranged from top to bottom in the combustion chamber There are first partition and second partition, the first partition and the second partition that the combustion chamber is separated into gas supply from top to bottom Chamber, combustion chamber and ashes chamber, the gas supply intracavitary are equipped with feeder, and the feeder is electrically connected with control device, described Baffle is equipped at feed inlet, the baffle upper end is side walls hinged with the combustion chamber.

The utility model has the beneficial effects that：By the way that feeder, control device control gas supply dress is arranged in gas supply intracavitary Timing is set to supplement air in combustion chamber so that burning coal fully burns；The ashes to burn in combustion chamber fall into ashes chamber so that Ashes are detached with burning coal in time, improve burning burning of coal rate；By baffle closed chamber, the indoor flue gas that burns is avoided Corrode coal feeder, while reducing air pollution.The utility model is simple in structure, reasonable design, and burning coal can fully burn, and save The about energy.

Based on the above technical solution, the utility model can also do following improvement.

Further, the top for air cavity is equipped with air supply opening.

Advantageous effect using above-mentioned further scheme is by air supply opening in time to supplementing air in combustion chamber, it is ensured that combustion It burns coal fully to burn, increase operation rate, it is energy saving.

Further, the feeder includes air blower, and the air blower is arranged at the air supply opening.

Advantageous effect using above-mentioned further scheme is to be blasted air in combustion chamber by air blower, it is ensured that burning coal Fully burning.

Further, the side wall of the combustion chamber is equipped with smoke outlet, and the smoke outlet passes through pipeline and smoke eliminator Connection.

Advantageous effect using above-mentioned further scheme is to be handled the flue gas discharge in combustion chamber by smoke outlet, is avoided Flue gas is expelled directly out and pollutes air.

Further, the baffle is equipped with push rod, and the push rod is vertically arranged with the baffle and one end of which is fixed on institutes It states on baffle.

After being coal using the advantageous effect of above-mentioned further scheme, baffle closing burning is manually made by push rod On the one hand the feed inlet of room can prevent dust disperse from polluting in air, on the other hand can prevent the indoor flue gas that burns It plays a reversed role and corrodes coal feeder.

Further, the uniformly distributed through-hole for having multiple supplied gas circulations in the first partition.

Advantageous effect using above-mentioned further scheme is that the through-hole that the air of gas supply intracavitary passes through in first partition enters In combustion chamber, the flue gas in combustion chamber is discharged by through-hole.

Further, a diameter of 3~5mm of the through-hole.

Further, the second partition is in netted, and the mesh number of the mesh is 100~200 mesh.

Advantageous effect using above-mentioned further scheme is on the one hand to ensure that burning ashes fall into ashes intracavitary, on the other hand It prevents burning coal from falling into ashes intracavitary, avoids unnecessary waste.

Further, the bottom of the ashes chamber is tapered, and the bottom of the ashes chamber is equipped with outlet.

Advantageous effect using above-mentioned further scheme is by outlet ashes can be discharged to ashes chamber in time, avoids ash The ash buildup of cinder intracavitary is excessive and influences burning burning of coal rate.

Further, the bottom of the combustion chamber is equipped with multiple support legs.

Advantageous effect using above-mentioned further scheme is to support combustion chamber by support leg.

Description of the drawings

Fig. 1 is the structural schematic diagram of the utility model embodiment one；

Fig. 2 is the internal structure schematic diagram of the utility model embodiment one；

Fig. 3 is the structural schematic diagram of first partition in the utility model embodiment one；

Fig. 4 is the structural schematic diagram of second partition in the utility model embodiment one；

Fig. 5 is the structural schematic diagram of the utility model embodiment two.

In attached drawing, parts list represented by the reference numerals are as follows：

1, combustion chamber, 2, first partition, 3, second partition, 4, for air cavity, 5, combustion chamber, 6, ashes chamber, 7, feeder, 8, baffle, 9, air supply opening, 10, smoke outlet, 11, push rod, 12, through-hole, 13, support leg.

Specific implementation mode

The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining this practicality It is novel, it is not intended to limit the scope of the utility model.

Embodiment 1

As depicted in figs. 1 and 2, the present embodiment provides a kind of boilers for thermal power generation, including are equipped with feed inlet and go out The combustion chamber 1 of gas port, in a rectangular parallelepiped shape, the bottom of combustion chamber 1 is equipped with multiple support legs 13, the feed inlet of combustion chamber 1 for combustion chamber 1 It is connect with coal feeder, coal feeder will be burnt by feed inlet in coal feeding combustion chamber 1, and combustion chamber 1 passes through gas outlet and steams Gas chamber is connected to, and the heat that the burning coal combustion in combustion chamber 1 generates enters steam chamber by gas outlet, and to the indoor water of steam It is heated；First partition 2 and second partition 3 are provided in combustion chamber 1 from top to bottom, first partition 2 and second partition 3 will fire It burns room 1 to be separated into from top to bottom for air cavity 4, combustion chamber 5 and ashes chamber 6, for being equipped with feeder 7, feeder 7 in air cavity 4 It is electrically connected with control device, control device controls feeder 7 and provides air to combustion chamber 5 at interval of 30min, it is ensured that combustion chamber Burning coal in 5 fully burns；Ashes chamber 6 collects the ashes generated in combustion chamber 5, and ashes is avoided to influence burning burning of coal Rate, it is ensured that the burning coal in combustion chamber 5 fully burns, and increases operation rate, energy saving.Baffle 8, baffle 8 are equipped at feed inlet Upper end is side walls hinged with combustion chamber 1, and to after the completion of coal, on the one hand the feed inlet of 8 closed chamber 1 of baffle can prevent dust In disperse to air, air pollution is caused；On the other hand it can prevent the flue gas in combustion chamber 1 from playing a reversed role and corroding coal feeder, prolong The service life of long equipment.

In the present embodiment, it is equipped with air supply opening 9 for the top of air cavity 4, feeder 7 includes air blower, and air blower setting exists At air supply opening 9, air blower blasts air in air cavity 4.

In the present embodiment, the side wall of combustion chamber 5 is equipped with smoke outlet 10, and smoke outlet 10 passes through pipeline and smoke eliminator Connection, the flue gas that burning generates in combustion chamber 5 enter smoke eliminator by smoke outlet 10, smoke eliminator to flue gas into Row processing, the flue gas that discharge standard is reached after processing are discharged by chimney.

Preferably, in the present embodiment, baffle 8 is equipped with push rod 11, and push rod 11 is vertically arranged with baffle 8 and one end is fixed On baffle 8.When to 1 coal of combustion chamber, baffle 8 is manually pushed by push rod 11 so that burning coal can smoothly enter into combustion chamber 1 It is interior；After the completion of coal, the artificial feed inlet for pulling 11 closed chamber 1 of push rod is avoided in dust disperse to air, is prevented simultaneously Flue gas in combustion chamber 1 is played a reversed role, and coal feeder is caused to be corroded；In addition, staff pushes baffle 8, work by push rod 11 Personnel from combustion chamber 1 with a certain distance from feed inlet has, it is ensured that the personal safety of staff.

As shown in figure 3, in the present embodiment, the uniformly distributed through-hole 12 for having multiple supplied gas circulations, through-hole in first partition 2 12 a diameter of 3~5mm, the air for supplying intracavitary is entered by the through-hole 12 in first partition in combustion chamber, in combustion chamber Flue gas is discharged by through-hole 12.

As shown in figure 4, in the present embodiment, 3 preferred net-like spacer of second partition, the mesh number of mesh is 100~200 mesh, one Aspect ensures that burning ashes are fallen into ashes chamber 6, on the other hand prevents burning coal from falling into ashes chamber 6, avoids unnecessary wave Take.

Preferably, in the present embodiment, the bottom of ashes chamber 4 is tapered, and the bottom of ashes chamber 6 is equipped with outlet, ashes chamber 4 Interior ashes can rely on the weight of itself to be discharged from outlet, be not necessarily to external force, easy to use.Below the outlet of ashes chamber 6 also Equipped with the collecting box for recycling ashes, the ashes of recycling can be used as Crop fertilizer, and waste utilization is energy saving.

Embodiment 2

As shown in figure 5, the difference between this embodiment and the first embodiment lies in combustion chamber 1 is cylindrical, and combustion chamber 1 is sleeping The internal structure of formula combustion chamber, combustion chamber 1 is identical as embodiment one.

The operation principle of the utility model is as follows：

When boiler works, burning coal burns on second partition 3, and since second partition 3 is in netted, burning coal is burned The ashes generated in journey are fallen by the mesh on second partition 3 in ashes chamber 4, and ashes is avoided to influence burning burning of coal rate； By control device program setting, control device starts an air blower at interval of 30min and provides sufficient sky to combustion chamber 5 Gas, it is ensured that the burning coal in combustion chamber 5 fully burns；When coal feeder is to 1 coal of combustion chamber, manually push through push rod 11 open into Baffle 8 at material mouth, coal manually retract baffle 8 after the completion, it is ensured that close feed inlet in time, on the one hand, prevent dust disperse Into air, air pollution is caused；On the other hand, it prevents the flue gas in combustion chamber 1 from playing a reversed role and corroding coal feeder, extends equipment Service life.

The utility model is simple in structure, reasonable design so that the burning coal in combustion chamber 1 fully burns, and improves burning coal Utilization rate, it is energy saving；Meanwhile baffle 8 is rationally designed at the feed inlet of combustion chamber 1, both reduced dust to air Pollution, and also avoid the flue gas in combustion chamber 1 and play a reversed role corrosion coal feeder, extend service life of equipment, reduction is produced into This, economic benefit significantly improves, wide market.

The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model Within the scope of shield.

Claims (10)

1. a kind of boiler for thermal power generation, it is characterised in that：Include the combustion chamber (1) equipped with feed inlet and gas outlet, institute The feed inlet for stating combustion chamber (1) is connect with coal feeder, and the combustion chamber (1) is connected to by gas outlet with steam chamber, the combustion It burns in room (1) and is provided with first partition (2) and second partition (3), the first partition (2) and the second partition from top to bottom (3) combustion chamber (1) is separated into from top to bottom for air cavity (4), combustion chamber (5) and ashes chamber (6), it is described for air cavity (4) Interior to be equipped with feeder (7), the feeder (7) is electrically connected with control device, and baffle (8), institute are equipped at the feed inlet State the side walls hinged of baffle (8) upper end and the combustion chamber (1).

2. a kind of boiler for thermal power generation according to claim 1, it is characterised in that：The top for air cavity (4) Portion is equipped with air supply opening (9).

3. a kind of boiler for thermal power generation according to claim 2, it is characterised in that：Feeder (7) packet Air blower is included, the air blower is arranged at the air supply opening (9).

4. a kind of boiler for thermal power generation according to claim 2, it is characterised in that：The side of the combustion chamber (5) Wall is equipped with smoke outlet (10), and the smoke outlet (10) is connected to by pipeline with smoke eliminator.

5. a kind of boiler for thermal power generation according to claim 1, it is characterised in that：The baffle (8) is equipped with Push rod (11), the push rod (11) is vertically arranged with the baffle (8) and one end of which is fixed on the baffle (8).

6. a kind of boiler for thermal power generation according to claim 1, it is characterised in that：On the first partition (2) The uniformly distributed through-hole (12) for having multiple supplied gas circulations.

7. a kind of boiler for thermal power generation according to claim 6, it is characterised in that：The diameter of the through-hole (12) For 3~5mm.

8. a kind of boiler for thermal power generation according to claim 1, it is characterised in that：The second partition (3) is in Netted, the mesh number of mesh is 100~200 mesh.

9. a kind of boiler for thermal power generation according to claim 1, it is characterised in that：The bottom of the ashes chamber (6) Portion is tapered, and the bottom of the ashes chamber (6) is equipped with outlet.

10. a kind of boiler for thermal power generation according to claim 1, it is characterised in that：The bottom of the combustion chamber (1) Portion is equipped with multiple support legs (13).