CN210688162U

CN210688162U - Coal-fired power generation energy-saving boiler

Info

Publication number: CN210688162U
Application number: CN201921586568.0U
Authority: CN
Inventors: 何育德; 焦建
Original assignee: HENAN XINYE TEXTILE CO Ltd
Current assignee: HENAN XINYE TEXTILE CO Ltd
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2020-06-05
Anticipated expiration: 2029-09-23

Abstract

The utility model discloses a coal-fired power generation energy-saving boiler, the on-line screen storage device comprises a base, the upper portion fixed mounting of base has the pot body, the bottom fixed mounting of base has the landing leg, the front portion of the pot body is close to below position and is equipped with the filler door, the front portion of the pot body is close to the top position and is equipped with the access door, the top fixed mounting of the pot body has the insulating tube, one side fixed mounting of the pot body has the preheating cabinet, one side of preheating cabinet is close to one side fixed mounting that the top position kept away from the pot body and has the inlet tube, one side of preheating cabinet is located the below position fixed mounting of inlet tube and has the blast pipe, the inside fixed mounting of the pot body has. A coal-fired power generation energy-saving boiler, be equipped with preheating cabinet and heating fin, can do benefit to the waste heat in the waste gas and preheat for the water that gets into in the furnace, also can increase the heat transfer effect simultaneously, improve work progress speed.

Description

Coal-fired power generation energy-saving boiler

Technical Field

The utility model relates to a power generation boiler field, in particular to coal-fired power generation energy-saving boiler.

Background

The coal-fired power generation boiler is a power generation boiler using coal as a combustion medium, belongs to a power generation auxiliary tool used in a power plant, and is classified into three categories of an inverted U-shaped boiler, a tower-shaped boiler and a box-shaped boiler, wherein the tower-shaped boiler belongs to one of vertical coal-fired boilers; the existing vertical coal-fired boiler does not have the preheating function, does not reasonably utilize waste heat in waste gas, is low in using effect, poor in heating effect, poor in heat exchange efficiency of a heat exchange pipeline and influences the whole working time.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a coal-fired power generation energy-saving boiler can effectively solve not possessing the relatively poor problem of preheating function and heat transfer effect among the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a coal-fired power generation energy-saving boiler comprises a base, wherein a boiler body is fixedly mounted on the upper portion of the base, supporting legs are fixedly mounted at the bottom of the base, a filler door is arranged at the position, close to the lower position, of the front portion of the boiler body, an access door is arranged at the position, close to the upper position, of the front portion of the boiler body, a heat insulation pipe is fixedly mounted at the top of the boiler body, a preheating box is fixedly mounted at one side of the boiler body, one side, close to the upper position, of the preheating box is fixedly mounted at the side, far away from the boiler body, of the inlet pipe, an exhaust pipe is fixedly mounted at the position, close to the lower position, of the inlet pipe, a hearth is fixedly mounted inside of the boiler body, a water-vapor separation chamber is arranged at the top of the hearth, a water filter plate is fixedly mounted inside, heating fins are fixedly installed on the outer portion of the first spiral pipe, a second spiral pipe is fixedly installed inside the preheating box, and a drain pipe is fixedly installed on the other side of the pot body.

Preferably, be equipped with first hinge between the filler door and the pot body, the filler door is through first hinge and pot body swing joint, be equipped with the second hinge between access door and the pot body, the access door passes through second hinge and pot body swing joint.

Preferably, one end of the waste heat recovery pipe is communicated to the water-vapor separation chamber, and the other end of the waste heat recovery pipe is communicated to the preheating tank.

Preferably, the water inlet pipe is communicated with a second spiral pipe, the second spiral pipe is communicated with a first spiral pipe, and the first spiral pipe is communicated with the drain pipe.

Preferably, the heating fin is hollow, and the heating fin is communicated with the first spiral pipe.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses in, through the preheating cabinet that sets up, utilize waste heat recovery pipe to arrange into the preheating cabinet with the waste gas that the boiler produced, and advance water piping connection to the second spiral pipe in the preheating cabinet, the spiral pipe can increase the length of whole pipeline, can increase the time of water circulation in the preheating cabinet, after waste gas enters into the preheating cabinet, can carry out the heat transfer with the water in the second spiral pipe, then getting rid of from the blast pipe, can play the preheating function, improve the temperature of water, thereby improve the temperature that enters into furnace water, reduce the heating load in the furnace, through the heating fin who sets up, heating fin is cavity formula, and belong to the state of intercommunication with first spiral pipe, can enlarge the heated area of first spiral pipe, thereby improve heat exchange efficiency, increase whole work progress speed.

Drawings

FIG. 1 is a schematic view of the overall structure of a coal-fired power generation energy-saving boiler of the present invention;

FIG. 2 is a schematic view of the internal structure of the boiler body of the coal-fired power generation energy-saving boiler of the present invention;

FIG. 3 is a schematic view of the internal structure of the preheating box of the coal-fired power generation energy-saving boiler of the present invention;

fig. 4 is a structural diagram of the first spiral pipe and the heating fins of the coal-fired power generation energy-saving boiler of the present invention.

In the figure: 1. a base; 2. a pan body; 3. a support leg; 4. a filler door; 5. a first hinge; 6. an access door; 7. a second hinge; 8. a heat preservation pipe; 9. a preheating box; 10. a water inlet pipe; 11. an exhaust pipe; 12. a hearth; 13. a water-vapor separation chamber; 14. a water filter plate; 15. a waste heat recovery pipe; 16. a first spiral pipe; 17. heating the fins; 18. a second spiral pipe; 19. and a water discharge pipe.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, a coal-fired power generation energy-saving boiler comprises a base 1, a boiler body 2 is fixedly installed on the upper portion of the base 1, support legs 3 are fixedly installed on the bottom of the base 1, a filling door 4 is arranged on the front portion of the boiler body 2 close to the lower position, an access door 6 is arranged on the front portion of the boiler body 2 close to the upper position, a heat preservation pipe 8 is fixedly installed on the top of the boiler body 2, a preheating box 9 is fixedly installed on one side of the boiler body 2, a water inlet pipe 10 is fixedly installed on one side of the preheating box 9 close to the upper position and far away from the boiler body 2, an exhaust pipe 11 is fixedly installed on one side of the preheating box 9 under the water inlet pipe 10, a hearth 12 is fixedly installed inside the boiler body 2, a water-vapor separation chamber 13 is arranged on the top of the hearth 12, and, a waste heat recovery pipe 15 is fixedly arranged at the top of the pot body 2 and positioned inside the heat preservation pipe 8, a first spiral pipe 16 is fixedly arranged inside the hearth 12, heating fins 17 are fixedly arranged outside the first spiral pipe 16, a second spiral pipe 18 is fixedly arranged inside the preheating box 9, and a drain pipe 19 is fixedly arranged on the other side of the pot body 2;

a first hinge 5 is arranged between the filling door 4 and the pot body 2, the filling door 4 is movably connected with the pot body 2 through the first hinge 5, a second hinge 7 is arranged between the access door 6 and the pot body 2, and the access door 6 is movably connected with the pot body 2 through the second hinge 7; one end of the waste heat recovery pipe 15 is communicated to the water-vapor separation chamber 13, and the other end of the waste heat recovery pipe 15 is communicated to the preheating tank 9; the water inlet pipe 10 is communicated with a second spiral pipe 18, the second spiral pipe 18 is communicated with a first spiral pipe 16, and the first spiral pipe 16 is communicated with a water outlet pipe 19; the interior of the heating fin 17 is hollow, and the heating fin 17 is communicated with the first spiral pipe 16.

It should be noted that, the utility model relates to a coal-fired power generation energy-saving boiler, when using, at first open the filler door 4 and add suitable fire coal in the filler room of furnace 12 bottom, then utilize the external instrument to light the fire coal, then connect inlet tube 10 to the external water source, drain pipe 19 is connected to the next device of power generation technology, blast pipe 11 is connected to the external tail gas processing apparatus, after having prepared to work, start the external water source and begin to intake, water enters into the second spiral pipe 18 inside preheating cabinet 9, then enters into the first spiral pipe 16, the fire coal that is burning at this moment produces high-calorie gas, the water in the first spiral pipe 16 carries out the heat transfer, heat fin 17 increases the heated area of whole first spiral pipe 16 simultaneously, can increase heat transfer efficiency, the water after the heat transfer is discharged through drain pipe 19, waste gas after the heat transfer rises simultaneously and enters into steam separation chamber 13, filter partial vapor through water filtering plate 14, then enter into preheating chamber 9 through waste heat recovery pipe 15 in, carry out the heat transfer with the water in the second spiral pipe 18 in preheating chamber 9 to reach the effect of preheating, the exhaust gas after finally being utilized passes through blast pipe 11 and discharges, waste heat recovery pipe 15's outside is equipped with heat preservation pipe 8, can reduce waste gas at the radiating heat in the way of circulating, and secondly preheating chamber 9 also is bilayer structure, can play better heat preservation effect.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A coal-fired power generation energy-saving boiler is characterized in that: comprises a base (1), the upper part fixed mounting of base (1) has the pot body (2), the bottom fixed mounting of base (1) has landing leg (3), the front portion of the pot body (2) is close to below and is equipped with filler door (4), the front portion of the pot body (2) is close to the top position and is equipped with access door (6), the top fixed mounting of the pot body (2) has insulating tube (8), one side fixed mounting of the pot body (2) has preheating cabinet (9), one side fixed mounting that one side of preheating cabinet (9) is close to top position and keeps away from the pot body (2) has inlet tube (10), one side of preheating cabinet (9) is located below position fixed mounting of inlet tube (10) has blast pipe (11), the inside fixed mounting of the pot body (2) has furnace (12), the top position of furnace (12) is equipped with steam separation chamber (13), the inside fixed mounting of steam separation chamber (13) has water strainer plate (14), the inside fixed mounting that the top of the pot body (2) is located insulating tube (8) has waste heat recovery pipe (15), the inside fixed mounting of furnace (12) has first spiral pipe (16), the outside fixed mounting of first spiral pipe (16) has heating fin (17), the inside fixed mounting of preheating cabinet (9) has second spiral pipe (18), the opposite side fixed mounting of the pot body (2) has drain pipe (19).

2. A coal-fired power generation energy-saving boiler according to claim 1, characterized in that: be equipped with first hinge (5) between filler door (4) and the pot body (2), filler door (4) are through first hinge (5) and pot body (2) swing joint, be equipped with second hinge (7) between access door (6) and the pot body (2), access door (6) are through second hinge (7) and pot body (2) swing joint.

3. A coal-fired power generation energy-saving boiler according to claim 1, characterized in that: one end of the waste heat recovery pipe (15) is communicated to the water-vapor separation chamber (13), and the other end of the waste heat recovery pipe (15) is communicated to the preheating tank (9).

4. A coal-fired power generation energy-saving boiler according to claim 1, characterized in that: the water inlet pipe (10) is communicated with a second spiral pipe (18), the second spiral pipe (18) is communicated with a first spiral pipe (16), and the first spiral pipe (16) is communicated with a drain pipe (19).

5. A coal-fired power generation energy-saving boiler according to claim 1, characterized in that: the interior of the heating fins (17) is hollow, and the heating fins (17) are communicated with the first spiral pipe (16).