CN213237472U

CN213237472U - D-class straight-flow steam engine with less than 50 liters

Info

Publication number: CN213237472U
Application number: CN202020650687.4U
Authority: CN
Inventors: 刘辉; 刘振立
Original assignee: Henan Zhongtian Weineng Boiler Co ltd
Current assignee: Henan Zhongtian Weineng Boiler Co ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2021-05-18
Anticipated expiration: 2030-04-26

Abstract

The utility model relates to a straight-flow D level steam engine that is less than 50 liters, including furnace body, steam mechanism, heat transfer device and combustor, the inside steam mechanism that is equipped with of furnace body, steam system includes heating pipe and communicating pipe, and the level is arranged in the furnace body about first communicating pipe and the second communicating pipe, and heat transfer device is connected in the furnace body smoke outlet integration, retrieves the heat in with the furnace body flue gas through the heat exchanger, has reduced heat loss, guarantees the heat utilization efficiency of furnace body.

Description

D-class straight-flow steam engine with less than 50 liters

Technical Field

The utility model relates to a boiler technical field, concretely relates to straight-flow D level steam engine that is less than 50 liters.

Background

The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy, the origin of the boiler refers to a water container heated on fire, the boiler refers to a place where the fuel is combusted, the boiler comprises a boiler and a furnace, the hot water or the steam generated in the boiler can directly provide the heat energy required by industrial production and people life, and the discharged flue gas contains a large amount of heat in the using process of the boiler, so that great waste can be caused if the heat is directly discharged, and great pollution is caused to the environment.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a steam oven with high heat utilization rate and simple structure, which designs a direct-flow D-level steam engine less than 50 liters.

The utility model discloses the concrete technical scheme who takes does: a direct-flow type D-level steam engine with the volume less than 50 liters comprises a furnace body, a steam mechanism, a heat exchange device and a burner, wherein the steam mechanism is arranged in the furnace body and comprises heating pipes and communicating pipes, a first communicating pipe and a second communicating pipe are horizontally arranged in the furnace body from top to bottom, a plurality of heating pipes which are distributed in a D shape in the axial direction of the first communicating pipe or the second communicating pipe are correspondingly distributed between the first communicating pipe and the second communicating pipe, and the upper end and the lower end of each heating pipe are correspondingly communicated with the first communicating pipe or the second communicating pipe; the upper end of the second communicating pipe is correspondingly communicated with a third communicating pipe through a plurality of steam outlet pipelines, and a steam outlet pipe is arranged on the side part of the third communicating pipe; the outer walls of the heating pipe, the first communicating pipe and the second communicating pipe are attached with membrane type walls to form a combustion chamber, the front end of the furnace body is provided with a burner with a fire nozzle extending into the combustion chamber, the rear end of the furnace body is correspondingly connected with a heat exchange device through a smoke exhaust pipe, the heat exchange device comprises a shell and a finned pipe, the finned pipe is correspondingly coiled in the shell, two ends of the finned pipe are respectively provided with a water inlet pipe and a water outlet pipe, the water outlet pipe is correspondingly communicated with the first communicating pipe, the upper end of the shell is provided with the smoke exhaust pipe, the end part of the smoke exhaust pipe is correspondingly provided with an explosion-proof valve, the inner wall of the smoke exhaust pipe is provided with a fire-resistant layer, the explosion-proof valve is a plunger piston corresponding to the end part of the fire exhaust pipe, the end part of the plunger is provided with a first flange, the tail end of, and the middle part of the plunger is provided with a smoke exhaust channel, and guide plates which are distributed in a staggered manner are arranged in the smoke exhaust channel.

Preferably, a safety valve and a pressure gauge extending out of the outer wall of the furnace body are arranged above the third communicating pipe. The outside liquid level display device that is equipped with corresponding intercommunication steam mechanism of furnace body, liquid level display device is including connecing the leader and monitoring pipe, and the vertical distribution connects the leader both ends and corresponds to connect on first communicating pipe and second communicating pipe, and monitoring pipe is transparent material, and its upper and lower both ends correspond to connect on connecing the leader through the connecting pipe.

Preferably, the first communication pipe is provided at an end thereof with a drain valve. The water outlet pipe is correspondingly communicated with the first communicating pipe.

The beneficial technical effects are as follows: the integrated heat transfer device that connects of furnace body outlet flue gas retrieves the heat in the furnace body flue gas through the heat exchanger, has reduced the heat and has run off, guarantees the heat utilization efficiency of furnace body.

Drawings

FIG. 1 is a schematic diagram of the present apparatus.

FIG. 2 is a schematic sectional view of FIG. 1A-A.

In the figure, a third communicating pipe 1, a second communicating pipe 2, a first communicating pipe 3, a combustion chamber 4, a guide plate 5, a burner 6, a heat exchange device 7, a spring 8, a steam outlet pipe 9, a leading pipe 10, a monitoring pipe 11 and a heating pipe 12 are arranged.

Detailed Description

A direct-flow type D-level steam engine with the volume less than 50 liters comprises a furnace body, a steam mechanism, a heat exchange device 7 and a burner 6, wherein the steam mechanism is arranged in the furnace body and comprises heating pipes 12 and communicating pipes, a first communicating pipe 3 and a second communicating pipe 2 are horizontally arranged in the furnace body from top to bottom, a plurality of heating pipes 12 which are axially distributed in a D shape on the first communicating pipe 3 or the second communicating pipe 2 are correspondingly distributed between the first communicating pipe 3 and the second communicating pipe 2, and the upper end and the lower end of each heating pipe 12 are correspondingly communicated with the first communicating pipe 3 or the second communicating pipe 2; the upper end of the second communicating pipe 2 is correspondingly communicated with a third communicating pipe 1 through a plurality of steam outlet pipes 9, and the side part of the third communicating pipe 1 is provided with the steam outlet pipe 9; the outer walls of the heating pipe 12, the first communicating pipe 3 and the second communicating pipe 2 are adhered with membrane type walls to form a combustion chamber 4, the front end of the furnace body is provided with a burner 6 with a fire nozzle extending into the combustion chamber 4, the rear end of the furnace body is correspondingly connected with a heat exchange device 7 through a smoke exhaust pipe, the heat exchange device 7 comprises a shell and a finned pipe, the finned pipe is correspondingly coiled in the shell, the two ends of the finned pipe are respectively provided with a water inlet pipe and a water outlet pipe, the water outlet pipe is correspondingly communicated with the first communicating pipe 3, the upper end of the shell is provided with the smoke exhaust pipe, the end part of the smoke exhaust pipe is correspondingly provided with an explosion-proof valve, the explosion-proof valve is a plunger piston corresponding to the end part of the smoke exhaust pipe, the end of the smoke exhaust pipe is provided with a second flange, a guide pillar is correspondingly assembled, guide plates 5 which are distributed in a staggered way are arranged in the smoke exhaust channel.

The integrated heat transfer device 7 that connects of furnace body outlet flue gas retrieves the heat in the furnace body flue gas through the heat exchanger, has reduced the heat and has run off, guarantees the heat utilization efficiency of furnace body.

Set up third communicating pipe 1, guarantee that the steam after the vaporization can smoothly discharge, set up liquid level display device, be convenient for carry out real-time supervision to the interior liquid level of stove, avoid the too high or low damage that leads to the fact of crossing excessively of water level.

A safety valve and a pressure gauge which extend out of the outer wall of the furnace body are arranged above the third communicating pipe 1. The furnace body outside is equipped with the liquid level display device who corresponds intercommunication steam mechanism, liquid level display device is including connecing lead pipe 10 and monitoring pipe 11, and the lead pipe 10 both ends that connect of longitudinal distribution correspond to be connected on first communicating pipe 3 and second communicating pipe 2, and monitoring pipe 11 is transparent material, and its upper and lower both ends correspond to be connected on connecing lead pipe 10 through the connecting pipe.

The end part of the first communicating pipe 3 is provided with a drain valve. The water outlet pipe is correspondingly communicated with the first communicating pipe 3. The explosion-proof valve is directly arranged at the smoke outlet of the heat exchange device 7, the direct vent structure can effectively avoid chamber explosion, the smoke exhaust channel is arranged on the plug body in a colleague integration mode, the smoke exhaust channel is provided with a guide plate 5, smoke exhaust in the furnace is slow, the heat exchange efficiency of the heat exchange device 7 is improved, and meanwhile, the sudden increase of the pressure in the furnace caused by strong detonation can be avoided.

Claims

1. The utility model provides a direct-flow type D level steam engine of less than 50 liters, includes furnace body, steam mechanism, heat transfer device and combustor, characterized by: a steam mechanism is arranged in the furnace body, the steam mechanism comprises heating pipes and communicating pipes, a first communicating pipe and a second communicating pipe are horizontally arranged in the furnace body from top to bottom, a plurality of heating pipes which are distributed in a D shape along the axial direction of the first communicating pipe or the second communicating pipe are correspondingly distributed between the first communicating pipe and the second communicating pipe, and the upper end and the lower end of each heating pipe are correspondingly communicated with the first communicating pipe or the second communicating pipe; the upper end of the second communicating pipe is correspondingly communicated with a third communicating pipe through a plurality of steam outlet pipelines, and a steam outlet pipe is arranged on the side part of the third communicating pipe; the outer walls of the heating pipe, the first communicating pipe and the second communicating pipe are attached with membrane type walls to form a combustion chamber, the front end of the furnace body is provided with a burner with a fire nozzle extending into the combustion chamber, the rear end of the furnace body is correspondingly connected with a heat exchange device through a smoke exhaust pipe, the heat exchange device comprises a shell and a finned pipe, the finned pipe is correspondingly coiled in the shell, the two ends of the finned pipe are respectively provided with a water inlet pipe and a water outlet pipe, the water outlet pipe is correspondingly communicated with the first communicating pipe, the upper end of the shell is provided with the smoke exhaust pipe, the end part of the smoke exhaust pipe is correspondingly provided with an explosion-proof valve, the inner wall of the smoke exhaust pipe is provided with a fire-resistant layer, the explosion-proof valve is a plunger corresponding to the end part of the fire-resistant layer, the end part of the plunger is provided with a first flange, guide plates which are distributed in a staggered manner are arranged in the smoke exhaust channel.

2. The direct flow class D steam engine of less than 50 liters according to claim 1, characterized by: a safety valve and a pressure gauge which extend out of the outer wall of the furnace body are arranged above the third communicating pipe.

3. The direct flow class D steam engine of less than 50 liters according to claim 1, characterized by: the outside liquid level display device that is equipped with corresponding intercommunication steam mechanism of furnace body, liquid level display device is including connecing the leader and monitoring pipe, and the vertical distribution connects the leader both ends and corresponds to connect on first communicating pipe and second communicating pipe, and monitoring pipe is transparent material, and its upper and lower both ends correspond to connect on connecing the leader through the connecting pipe.

4. The direct flow class D steam engine of less than 50 liters according to claim 1, characterized by: the end part of the first communicating pipe is provided with a drain valve.