CN210601563U

CN210601563U - Biomass and gas dual-purpose steam boiler

Info

Publication number: CN210601563U
Application number: CN201921457629.3U
Authority: CN
Inventors: 王婷婷; 刘振立; 刘辉; 李钢强; 张怀彬
Original assignee: Henan Zhongtian Weineng Boiler Co ltd
Current assignee: Henan Zhongtian Weineng Boiler Co ltd
Priority date: 2019-09-04
Filing date: 2019-09-04
Publication date: 2020-05-22
Anticipated expiration: 2029-09-04

Abstract

The utility model relates to a biomass and gas dual-purpose steam boiler, which comprises a feeding device, a boiler body and a heat exchange device, wherein a combustion chamber is transversely arranged at the middle lower part of the boiler body, a fire collecting cavity with increased outer diameter is arranged at the rear end of the combustion chamber, and the part of the fire collecting cavity protruding out of the outer wall of the combustion chamber is correspondingly communicated with a heating pipe transversely arranged in the boiler body; set up collection fire chamber, heat through the heating pipe that collection fire chamber burning and intercommunication collection fire chamber, guarantee heat utilization efficiency, improve the steam volume.

Description

Biomass and gas dual-purpose steam boiler

Technical Field

The utility model relates to a heating furnace, concretely relates to dual-purpose type steam boiler of living beings gas.

Background

At present, biomass briquette fuel is applied to a boiler on a large scale, the boiler is more transformed by adopting a chain type coal-fired boiler, negative pressure combustion is adopted, the sealing performance around the boiler body is poor, and the heat loss is large; in addition, some boilers heat the pig iron casting inner container of the boiler through biomass combustion, the heat exchange effect is poor, equipment is heavy, and the evaporation efficiency is insufficient.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a simple structure can effectively increase the steam boiler of heating effect, the utility model discloses a dual-purpose type steam boiler of living beings gas.

The utility model discloses the concrete technical scheme who takes does: a biomass and gas dual-purpose steam boiler comprises a feeding device, a boiler body and a heat exchange device, wherein a combustion chamber is transversely arranged at the middle lower part of the boiler body, a fire collecting cavity with the outer diameter increased is arranged at the rear end of the combustion chamber, and the part of the fire collecting cavity, which protrudes out of the outer wall of the combustion chamber, is correspondingly communicated with a heating pipe transversely arranged in the boiler body; the discharge end of the feeding device corresponds to the bed furnace body and extends to the combustion chamber; the bottom of the tank body is provided with a water inlet, one side of the upper end of the tank body, which is far away from the water inlet, is provided with a steam outlet, and the steam outlet is correspondingly connected with a heat exchange device.

Preferably, the rear end of the fire collecting cavity extends out of the rear wall of the furnace body through a pressure relief conduit, and the tail end of the pressure relief conduit is correspondingly provided with a pressure relief mechanism. The pressure relief mechanism comprises a plug and a fire sampling port, a plurality of sliding columns correspondingly extend out of the end of the pressure relief conduit, the plug is assembled on the sliding columns in a sliding mode, and a buffer spring abutting against the rear wall of the plug is sleeved on the outer wall of each sliding column; the middle part of the plug is provided with a fire sampling port communicated with the pressure relief conduit, and the outer end of the fire sampling port is provided with a sealing cover corresponding to the thread.

Furthermore, the feeding device comprises a hopper and a spiral guide pipe, the feeding end of the spiral guide pipe is communicated with the hopper, and the tail end of the spiral guide pipe extends to the combustion chamber. And a pressure gauge, a steam outlet, a drain outlet and a safety valve which are communicated with the inner cavity of the furnace body are arranged above the furnace body.

Preferably, a sewage draining pipe which is correspondingly communicated with the sewage draining outlet and transversely arranged is arranged in the furnace body, and a through hole is formed in the side wall of the sewage draining pipe. The bottom of the fire collecting cavity is provided with an ash discharging pipe extending out of the furnace body.

Preferably, the front end of the furnace body is provided with a heat collecting cavity correspondingly communicated with the heating pipe, the axial projection area of the heat collecting cavity relative to the furnace body is larger than that of the fire collecting cavity, and the part of the heat collecting cavity, which is larger than that of the fire collecting cavity, is communicated with the heating pipe horizontally extending to the rear of the furnace body.

Preferably, the heat exchange device is placed indoors, the main body of the heat exchange device is an independent cavity body with heat exchange tubes uniformly distributed, two ends of the main body are provided with interlayers correspondingly communicated with two ends of the heat exchange tubes, the steam outlet of the furnace body is correspondingly connected with the heat exchange device through a steam guide tube, and the interlayers at two ends of the heat exchange device are correspondingly provided with a water inlet and a water outlet. The combustion chamber is made of cast iron materials and is of a corrugated pipe structure.

The beneficial technical effects are as follows: set up collection fire chamber, heat through the heating pipe that collection fire chamber burning and intercommunication collection fire chamber, guarantee heat utilization efficiency, improve the steam volume.

Drawings

FIG. 1 is a schematic view of the structure of the device;

FIG. 2 is a schematic left view of the apparatus;

FIG. 3 is a schematic view of a heat exchange apparatus;

fig. 4 is an enlarged view a of fig. 1.

In the figure, a feeding device 1, a furnace body 2, a sewage discharge pipe 3, a heating pipe 4, a heat collecting cavity 5, a combustion chamber 6, a pressure relief mechanism 7, a heat exchange device 8, a fire collecting cavity 9, a pressure relief guide pipe 10, a plug 71, a furnace fire sampling port 72, a heat exchange pipe 81 and an interlayer 82 are arranged.

Detailed Description

A biomass-gas dual-purpose steam boiler, see fig. 1-4: the device comprises a feeding device 1, a furnace body 2 and a heat exchange device 8, wherein a combustion chamber 6 is transversely arranged at the middle lower part of the furnace body 2, a fire collection cavity 9 with the outer diameter increased is arranged at the rear end of the combustion chamber 6, and the part of the fire collection cavity 9 protruding out of the outer wall of the combustion chamber 6 is correspondingly communicated with a heating pipe 4 transversely arranged in the furnace body 2; the discharge end of the feeding device 1 corresponds to the bed furnace body 2 and extends to the combustion chamber 6; the bottom of the tank body is provided with a water inlet, one side of the upper end of the tank body, which is far away from the water inlet, is provided with a steam outlet, and the steam outlet is correspondingly connected with a heat exchange device 8.

Set up collection fire chamber 9, heat through collection fire chamber 9 burning and the heating pipe 4 that communicates collection fire chamber 9, guarantee heat utilization efficiency, improve the steam volume. The heat exchanger 8 can be arranged indoors, and heating in the remote rural areas in winter can be facilitated.

The rear end of the fire collecting cavity 9 extends out of the rear wall of the furnace body 2 through a pressure relief conduit 10, and the tail end of the pressure relief conduit 10 is correspondingly provided with a pressure relief mechanism 7. The pressure relief mechanism 7 comprises a plug 71 and a fire sampling port 72, a plurality of sliding columns correspondingly extend out of the end part of the pressure relief conduit 10, the plug 71 is assembled on the sliding columns in a sliding mode, and a buffer spring abutting against the rear wall of the plug 71 is sleeved on the outer wall of each sliding column; the middle part of the plug 71 is provided with a fire sampling port 72 communicated with the pressure relief conduit 10, and the outer end of the fire sampling port 72 is provided with a sealing cover corresponding to a thread.

The pressure relief mechanism 7 is arranged to avoid the situation that the pressure in the furnace is too large and the plug 71 is pushed open to relieve the pressure when the pressure is large, and the furnace fire sampling port 72 is arranged to observe the pressure and the combustion condition in the furnace.

The feeding device 1 comprises a hopper and a spiral material guide pipe, the feeding end of the spiral material guide pipe is communicated with the hopper, and the tail end of the spiral material guide pipe extends to the combustion chamber 6. A pressure gauge, a steam outlet, a drain outlet and a safety valve which are communicated with the inner cavity of the furnace body are arranged above the furnace body 2.

The inside blow off pipe 3 that is equipped with the transversal arrangement that corresponds the intercommunication drain of furnace body 2, the 3 lateral walls of blow off pipe are equipped with the through-hole. The bottom of the fire collecting cavity 9 is provided with an ash discharging pipe extending out of the furnace body 2.

The front end of the furnace body 2 is provided with a heat collecting cavity 5 correspondingly communicated with the heating pipe 4, the axial projection area of the heat collecting cavity 5 relative to the furnace body 2 is larger than that of the fire collecting cavity 9, and the part of the heat collecting cavity 5, which is larger than that of the fire collecting cavity 9, is communicated with the heating pipe 4 horizontally extending to the rear of the furnace body 2. The tail end of the heating pipe extends out of the furnace body.

The secondary extension of the heating pipe 4 through the heat collecting chamber 5 can improve the utilization efficiency of heat.

The heat exchange device 8 is placed indoors, the main body of the heat exchange device is an independent cavity body with heat exchange tubes 81 uniformly distributed, interlayers 82 correspondingly communicated with the two ends of the heat exchange tubes 81 are arranged at the two ends of the heat exchange device, a steam outlet of the furnace body 2 is correspondingly connected with the heat exchange device 8 through a steam guide tube, and the interlayers 82 at the two ends of the heat exchange device 8 are correspondingly connected with ground heating equipment through a water inlet and a water outlet. The floor heating equipment is conventional commercially available equipment.

After heat exchange is carried out through the heat exchange pipe 81, water is supplied to indoor ground heating equipment, and the indoor heating effect is guaranteed; the lower end of the heat exchange device 8 is provided with a steam guide pipe connected with the furnace body 2, so that heat is prevented from being wasted. The feeding device 1 can be replaced by a natural gas pipe, and the gas can be used.

The combustion chamber 6 is made of cast iron, and the combustion chamber 6 is of a corrugated pipe structure. Effectively improve the contact area with the water in the furnace and improve the heating effect. The feeding device 1 can be replaced by a natural gas pipe, and the gas can be used.

Claims

1. The utility model provides a dual-purpose type steam boiler of living beings gas, includes feed arrangement, furnace body and heat transfer device, characterized by: the middle lower part of the furnace body is transversely provided with a combustion chamber, the rear end of the combustion chamber is provided with a fire collecting cavity with the outer diameter increased, and the part of the fire collecting cavity protruding out of the outer wall of the combustion chamber is correspondingly communicated with a heating pipe transversely arranged in the furnace body; the discharge end of the feeding device corresponds to the bed furnace body and extends to the combustion chamber; the bottom of the tank body is provided with a water inlet, one side of the upper end of the tank body, which is far away from the water inlet, is provided with a steam outlet, and the steam outlet is correspondingly connected with a heat exchange device.

2. The biomass-gas dual-purpose steam boiler according to claim 1, wherein: the rear end of the fire collecting cavity extends out of the rear wall of the furnace body through a pressure relief conduit, and the tail end of the pressure relief conduit is correspondingly provided with a pressure relief mechanism.

3. The biomass-gas dual-purpose steam boiler according to claim 2, wherein: the pressure relief mechanism comprises a plug and a fire sampling port, a plurality of sliding columns correspondingly extend out of the end of the pressure relief conduit, the plug is assembled on the sliding columns in a sliding mode, and a buffer spring abutting against the rear wall of the plug is sleeved on the outer wall of each sliding column; the middle part of the plug is provided with a fire sampling port communicated with the pressure relief conduit, and the outer end of the fire sampling port is provided with a sealing cover corresponding to the thread.

4. The biomass-gas dual-purpose steam boiler according to claim 1, wherein: the feeding device comprises a hopper and a spiral material guide pipe, the feeding end of the spiral material guide pipe is communicated with the hopper, and the tail end of the spiral material guide pipe extends to the combustion chamber.

5. The biomass-gas dual-purpose steam boiler according to claim 1, wherein: and a pressure gauge, a steam outlet, a drain outlet and a safety valve which are communicated with the inner cavity of the furnace body are arranged above the furnace body.

6. The biomass-gas dual-purpose steam boiler according to claim 1, wherein: the inside blow off pipe that is equipped with the horizontal arrangement of corresponding intercommunication drain of furnace body, the blow off pipe lateral wall is equipped with the through-hole.

7. The biomass-gas dual-purpose steam boiler according to claim 1, wherein: the bottom of the fire collecting cavity is provided with an ash discharging pipe extending out of the furnace body.

8. The biomass-gas dual-purpose steam boiler according to claim 1, wherein: the front end of the furnace body is provided with a heat collection cavity correspondingly communicated with the heating pipe, the axial projection area of the heat collection cavity relative to the furnace body is larger than that of the fire collection cavity, and the part of the heat collection cavity larger than that of the fire collection cavity is communicated with the heating pipe horizontally extending to the rear of the furnace body.

9. The biomass-gas dual-purpose steam boiler according to claim 1, wherein: the heat exchange device main body is an independent cavity body with heat exchange tubes uniformly distributed, two ends of the heat exchange device main body are provided with interlayers correspondingly communicated with two ends of the heat exchange tubes, a steam outlet of the furnace body is correspondingly connected with the heat exchange device through a steam guide tube, and the interlayers at two ends of the heat exchange device are correspondingly provided with a water inlet and a water outlet.

10. The biomass-gas dual-purpose steam boiler according to claim 1, wherein: the combustion chamber is of a bellows-like structure.