CN107477568A - A kind of ashes recovery type environment-friendly boiler - Google Patents

Abstract

The invention discloses a kind of ashes recovery type environment-friendly boiler, including stove seat and boiler body, furnace chamber is provided with stove seat, the top of stove seat is embedded with boiler body, the bottom of furnace chamber is provided with fire grate, fire grate is furnace chamber into clinker chamber and combustion chamber, the sidewall bottom of combustion chamber is provided with charging aperture, exhaust apparatus is provided with the top of the inwall of combustion chamber, admission line through connection connects tracheae, the other end through connection of tracheae is connected at the middle part of disposal box, the bottom wall of clinker chamber is provided with boss, the top of boss is provided with heat exchanging pipe, some mud holes are uniformly provided with the side wall circumferencial direction of clinker chamber；The heat exchanging pipe that the present invention is set can make full use of the ashes heat energy of cinder so that coal-fired efficiency of utilization greatly improves, and so as to reduce energy resource consumption, saves the energy；And the setting of disposal box and exhaust apparatus can effectively collect the coal ash in flue gas, it is impossible to improve the utilization rate of coal ash, moreover it is possible to reduce coal ash and be directly discharged to caused pollution in air.

Description

A kind of ash recovery type environment-friendly boiler

technical field

The invention relates to the technical field of boilers, in particular to an ash recovery type environment-friendly boiler.

Background technique

Coal ash is the powder formed after the combustion of coal-fired boilers, the main components are Si02, Al2O3, Fe3O4, FeO, and a small amount of CaO, MgO, etc. It is mainly used for urban waste landfill; coal ash dam treatment; road, railway, drainage engineering Water conservancy, tunnels, dikes, dams, sluice anti-seepage; liquid reservoir anti-seepage; water delivery, infusion channels, solid waste stacking anti-seepage; roof leakage; building basement, underground warehouse, underground garage moisture-proof; pile film cofferdam , land reclamation, wharf engineering, etc. Coal ash has the functions of adsorption, purification and catalysis, so in the laboratory, coal ash can be used instead of many medicines for various experiments. In daily life, it can be used for lifesaving and sewage purification. It can be used as fertilizer and acid soil improvement in production. In environmental protection, it can be used to treat industrial wastewater and so on.

With the continuous advancement of science and technology, various new technologies have been popularized and applied in industrial production and have achieved positive results. However, in the boiler market in my country, coal-fired boilers still occupy a large market share. Traditional coal-fired boilers The coal ash collection technology inside the boiler is still insufficient, and a large amount of smoke and dust is easily generated in the collection structure, which also affects the health of workers; and the thermal efficiency of coal combustion is insufficient, and some coal slag has passed through the furnace when it is not completely burned. Exhaust, discharge, cause energy waste.

Contents of the invention

The object of the present invention is to provide an ash recovery type environment-friendly boiler to solve the problems raised in the above-mentioned background technology.

To achieve the above object, the present invention provides the following technical solutions:

A furnace ash recovery type environment-friendly boiler, including a furnace base and a boiler body, a furnace cavity is arranged in the furnace base, a boiler body is embedded in the top of the furnace base, a fire grate is arranged at the bottom of the furnace cavity, and a furnace grate is uniformly arranged on the furnace There are several slag discharge holes, the slag discharge holes are long strip holes, the furnace chamber is divided into a slag chamber and a combustion chamber by the fire grate, a feeding hole is provided at the bottom of the side wall of the combustion chamber, and a first airtight door is hinged on the feeding hole, and the combustion chamber There is an exhaust device on the top of the inner wall of the chamber, the exhaust device is designed in a ring structure, the exhaust device is provided with an air intake pipe, and the bottom of the exhaust device is evenly provided with a number of second air intake holes, the inner part of the exhaust device The circular surface is evenly provided with a number of first air intake holes, the first air intake hole and the second air intake hole are respectively connected with the air intake pipe, the air intake pipe is connected with the air pipe, and the other end of the air pipe is connected with the dust collector. In the middle of the box, the top of the dust collection box is connected to the fan, and the bottom of the dust collection box is connected to the dust discharge pipe. The inner cavity of the dust collection box is equipped with an upper dust filter and a lower screen, and the upper dust filter is set above the lower screen. , the upper dust filter is designed with a convex spherical structure, and the lower screen is designed with a convex spherical structure. There are shock balls between the nets; the bottom wall of the slag chamber is provided with a boss, the top surface of the boss is a conical surface, and the top of the boss is provided with a heat exchange pipe. The heat exchange pipe is a space spiral structure design, and the heat exchange The inlet end of the pipeline is connected to the water inlet pipe through, and a circulating pump is installed on the water inlet pipe, and the outlet end of the heat exchange pipe is connected to the drain pipe. A number of slag discharge holes are uniformly arranged on the side wall of the slag chamber in the circumferential direction, and the slag discharge holes are connected with the convex Corresponding to the lowest point on the top surface of the platform, a second airtight door is hinged on the slag discharge hole.

Furthermore, the bottom end of the boiler body is designed with a convex spherical structure.

Furthermore, all the slag holes are arranged parallel to each other.

Furthermore, a handle is provided on the first airtight door.

Furthermore, the mesh of the lower screen is larger than the mesh of the upper dust filter.

Furthermore, the bumper ball is made of solid wood, and the surface of the bumper ball is provided with a high-temperature resistant coating.

Further, the side wall of the slag cavity is uniformly provided with ~ a slag discharge hole in the circumferential direction.

Furthermore, a handle is provided on the second airtight door.

Compared with the prior art, the heat exchange pipeline provided by the present invention can make full use of the heat energy of the embers of cinders, so that the heat utilization efficiency of coal combustion is greatly improved, thereby reducing energy consumption and saving energy; and the arrangement of the dust collection box and the exhaust device It can effectively collect the coal ash in the flue gas, can not improve the utilization rate of the coal ash, and can also reduce the pollution caused by the direct discharge of the coal ash into the air.

Description of drawings

Fig. 1 is the structural representation of a kind of ash recovery type environment-friendly boiler of the present invention;

Fig. 2 is a structural schematic diagram of a dust collection box of an ash recovery type environment-friendly boiler of the present invention;

Fig. 3 is a structural schematic diagram of an exhaust device of an ash recovery environment-friendly boiler according to the present invention.

In the figure: 1-furnace seat, 2-boiler body, 3-furnace chamber, 4-fire grate, 5-slag discharge hole, 6-slag chamber, 7-combustion chamber, 8-feeding hole, 9-first sealing door , 10-Exhaust device, 11-Intake pipe, 12-First air inlet, 13-Second air inlet, 14-Connecting air pipe, 15-Dust collection box, 16-Fan, 17-Dust exhaust pipe, 18-upper dust filter, 19-vibration ball, 20-lower baffle, 21-boss, 22-heat exchange pipe, 23-slag discharge hole, 24-second sealing door, 25-inlet pipe, 26-circulation pump , 27 - drain pipe.

detailed description

The technical solution of this patent will be further described in detail below in conjunction with specific embodiments.

Please refer to Figures 1 to 3, an ash recovery type environmental protection boiler, including a furnace base 1 and a boiler body 2, the furnace base 1 is provided with a furnace cavity 3, and the top of the furnace base 1 is embedded with a boiler body 2, The bottom end of the boiler body 2 is designed with a convex spherical structure, and the bottom of the furnace chamber 3 is provided with a fire grate 4, and the fire grate 4 is evenly provided with a number of slag discharge holes 5, and the slag discharge holes 5 is an elongated hole, all the slag holes 5 are arranged parallel to each other, the grate 4 separates the furnace chamber 3 into a slag chamber 6 and a combustion chamber 7, and the bottom of the side wall of the combustion chamber 7 is provided with a feeding hole 8 , the first airtight door 9 is hinged on the charging hole 8, the first airtight door 9 is provided with a handle, the top of the inner wall of the combustion chamber 7 is provided with an exhaust device 10, and the exhaust device 10 is an annular Structural design, the exhaust device 10 is provided with an air intake pipe 11, the bottom of the exhaust device 10 is evenly provided with a number of second air intake holes 13, and the inner circular surface of the exhaust device 10 is evenly provided with a number of first air inlets. The air hole 12, the first air inlet 12 and the second air inlet 13 are respectively connected through the air inlet pipe 11, the air inlet pipe 11 is connected through the air pipe 14, and the other end of the air pipe 14 is connected through the air hole. In the middle of the dust collection box 15, the top of the dust collection box 15 is connected to the blower fan 16, and the bottom of the dust collection box 15 is connected to the dust discharge pipe 17. The inner cavity of the dust collection box 15 is provided with an upper dust filter net 18. And the lower mesh 20, the upper dust filter 18 is located above the lower mesh 20, the upper dust filter 18 is a convex spherical structure design, the lower mesh 20 is a convex spherical structure, the lower mesh 20 The mesh is larger than the mesh of the upper dust filter 18, the connecting air pipe 14 is arranged between the upper dust filter 18 and the lower baffle 20, and the inner cavity of the dust box 15 is between the upper dust filter 18 and the lower baffle 20 There is a bumper ball 19 between them, the bumper ball 19 is made of solid wood, the surface of the bumper ball 19 is provided with a high temperature resistant coating; the bottom wall of the slag chamber 6 is provided with a boss 21, and the top of the boss 21 The surface is a tapered surface, and the top of the boss 21 is provided with a heat exchange pipe 22, the heat exchange pipe 22 is a space spiral structure design, the inlet end of the heat exchange pipe 22 is connected to the water inlet pipe 25, and the water inlet pipe 25 is connected A circulating pump 26 is provided, and the outlet end of the heat exchange pipe 22 is connected to a drain pipe 27. A number of slag discharge holes 23 are uniformly arranged on the side wall of the slag chamber 6 in the circumferential direction. Corresponding to the lowest point of the top surface of the table 21, a second airtight door 24 is hinged on the slag discharge hole 23, and a handle is provided on the second airtight door 24.

When the present invention is in use, coal is burned in the combustion chamber 7, and a large amount of coal ash is produced and enters the air intake pipe 11 together with the air flow, and then enters the dust collection box 15 along the connecting air pipe 14, and the upper dust filter 18 filters out the dust in the air flow. Coal ash is discharged and collected through the dust discharge pipe 17. Under the action of the airflow, the bumper ball 19 continuously collides with the upper dust filter 18, so that the coal ash attached to the surface of the upper dust filter 18 is shaken off, which can effectively prevent coal dust The ash clogs the upper dust filter 18; the slag produced by coal combustion enters the slag chamber 6 through the slag discharge hole 5, and the high-temperature slag and unburned coal slag exchange heat with the water in the heat exchange pipe 22, thereby utilizing the heat energy of the embers of the coal slag , so that the heat utilization efficiency of coal combustion is greatly improved, thereby reducing energy consumption and saving energy.

The preferred implementation of this patent has been described in detail above, but this patent is not limited to the above-mentioned implementation. Within the scope of knowledge possessed by those of ordinary skill in the art, various modifications can be made without departing from the purpose of this patent. kind of change.

Claims (8)

1. a kind of ashes recovery type environment-friendly boiler, it is characterised in that interior including stove seat (1) and boiler body (2), stove seat (1) Provided with furnace chamber (3), the top of stove seat (1) is embedded with boiler body (2), and the bottom of furnace chamber (3) is provided with fire grate (4), on fire grate (4) Uniformly be provided with some mud holes (5), mud hole (5) is elongate holes, fire grate (4) furnace chamber (3) be separated into clinker chamber (6) and Combustion chamber (7), the sidewall bottom of combustion chamber (7) are provided with charging aperture (8), the first hermatic door (9) are hinged with charging aperture (8), combustion Burn and exhaust apparatus (10) is provided with the top of the inwall of chamber (7), exhaust apparatus (10) is loop configuration design, is set in exhaust apparatus (10) There is admission line (11), the bottom of exhaust apparatus (10) is uniformly provided with some second air admission holes (13), exhaust apparatus (10) Inner headed face is uniformly provided with some first air admission holes (12), the first air admission hole (12) and the second air admission hole (13) respectively with air inlet pipe Road (11) through connection, admission line (11) through connection connection tracheae (14), the other end through connection of connection tracheae (14) At the middle part of disposal box (15), the top through connection blower fan (16) of disposal box (15), the bottom through connection of disposal box (15) Dust flue (17), the inner chamber of disposal box (15) are provided with upper dirt filtrating screen (18) and lower backstop (20), and upper dirt filtrating screen (18) is located at lower block The top of net (20), upper dirt filtrating screen (18) are convex spherical structure designs, and lower backstop (20) spherical structure convex under being designs, Connection tracheae (14) is located between dirt filtrating screen (18) and lower backstop (20), the inner chamber of disposal box (15) in upper dirt filtrating screen (18) and Shake billiards (19) is provided between lower backstop (20)；The bottom wall of clinker chamber (6) is provided with boss (21), and the top end face of boss (21) is cone Shape face, the top of boss (21) are provided with heat exchanging pipe (22), and heat exchanging pipe (22) is spatially spiral type structure design, and heat is handed over The entrance point through connection water inlet pipe (25) of pipeline (22) is changed, water inlet pipe (25) is provided with circulating pump (26), heat exchanging pipe (22) port of export through connection drainpipe (27), some mud holes are uniformly provided with the side wall circumferencial direction of clinker chamber (6) (23), mud hole (23) is corresponding with the top end face lowest part of boss (21), and mud hole is hinged with the second hermatic door on (23) (24)。

A kind of 2. ashes recovery type environment-friendly boiler according to claim 1, it is characterised in that the bottom of boiler body (2) End spherical structure design convex under being.

A kind of 3. ashes recovery type environment-friendly boiler according to claim 1, it is characterised in that all clinker holes (5) It is arranged in parallel.

4. a kind of ashes recovery type environment-friendly boiler according to claim 1, it is characterised in that on the first hermatic door (9) Provided with handle.

A kind of 5. ashes recovery type environment-friendly boiler according to claim 1, it is characterised in that the mesh of lower backstop (20) More than the mesh of upper dirt filtrating screen (18).

6. a kind of ashes recovery type environment-friendly boiler according to claim 1, it is characterised in that shake billiards (19) is solid wood Make, the surface of shake billiards (19) is provided with high-temperaure coating.

A kind of 7. ashes recovery type environment-friendly boiler according to claim 1, it is characterised in that the side wall of clinker chamber (6) Uniformly 2~3 mud holes (23) are provided with circumferencial direction.

8. a kind of ashes recovery type environment-friendly boiler according to claim 1, it is characterised in that on the second hermatic door (24) Provided with handle.