CN213272577U

CN213272577U - Direct current steam boiler

Info

Publication number: CN213272577U
Application number: CN202020651738.5U
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: 2021-05-25
Anticipated expiration: 2030-04-26

Abstract

The utility model relates to a direct current steam boiler, including steam mechanism and blowdown mechanism, 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 second communicating pipe, sets up blowdown mechanism, and blowdown mechanism corresponds and connects the blow off pipe, and the velocity of flow through the blow off pipe drives the spot of first communicating pipe bottom at the blowdown in-process and produces the pressure of certain degree, passes through the blow off pipe discharge with the spot through this pressure, improves dirt discharge efficiency.

Description

Direct current steam boiler

Technical Field

The utility model relates to a boiler technical field, concretely relates to direct current steam boiler.

Background

The boiler is an energy conversion device, the energy input to the boiler has 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 needed heat energy for industrial production and people life, the boiler is used, the liquid can generate impurities such as water scales due to heating, and the difficulty in the impurity discharging process is large.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a boiler with high heat utilization rate, simple structure and convenient pollution discharge, which is a direct current steam boiler.

The utility model provides a concrete technical scheme who above-mentioned problem was taken does: a direct-current steam boiler comprises a steam mechanism and a pollution discharge mechanism, wherein the steam mechanism is arranged in a boiler body and comprises heating pipes and communicating pipes, a first communicating pipe and a second communicating pipe are horizontally arranged in the boiler 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 outer walls of the heating pipe, the first communicating pipe and the second communicating pipe are attached with membrane walls to form a combustion cavity, the front end of the furnace body is provided with a burner with a fire-jet extending into the combustion chamber, the combustion chamber is correspondingly connected with a heat exchange device through a smoke exhaust pipe, the heat exchange device comprises a shell and a finned tube, the finned tube is correspondingly coiled in the shell, the two ends of the finned tube are respectively a water inlet end and a water outlet end, the bottom of the second communicating tube is provided with a plurality of heating tubes which are downwards communicated with the first communicating tube, the bottom of the first communicating tube is provided with a strip-shaped groove, the lower part of the strip-shaped groove is correspondingly connected with a sewage draining mechanism which is a sewage guide pipe arranged at the lower edge of the strip-shaped groove, the last edge of dirt guide pipe is equipped with the bar breach that corresponds the connection bar groove, and dirt guide pipe wherein one end is connected with the blowoff valve, and second communicating pipe lateral part is equipped with the water inlet, and second communicating pipe top is equipped with out steam pipe and relief valve.

Preferably, the blowdown valve is correspondingly communicated with the middle part of the blowdown guide pipe through a connecting pipe. The furnace body lateral part is equipped with the water inlet, the water inlet corresponds connects water installations, and water installations includes water tank and kickboard, the water installations upper end has stretched into the inlet tube, the inlet tube bottom is equipped with the kickboard, and the kickboard upper end is equipped with the rubber buffer that corresponds the inlet tube edge down.

Preferably, the water outlet end of the heat exchange device is correspondingly communicated with the water inlet pipe of the water inlet device. A limiting rod extends out of the upper end of the floating plate, and a limiting sleeve corresponding to the limiting rod is arranged on the side wall of the water inlet pipe.

The beneficial technical effects are as follows: set up blowdown mechanism, blowdown mechanism corresponds and connects the blow off pipe, and the velocity of flow through the blow off pipe drives the spot of first communicating pipe bottom and produces the pressure of certain degree at the blowdown in-process, passes through the blow off pipe through this pressure with the spot and discharges, improves dirt discharge efficiency.

Drawings

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

FIG. 2 is a schematic sectional view of the apparatus.

In the figure, a burner 1, a second communicating pipe 2, a first communicating pipe 3, a sewage guide pipe 4, a sewage discharge valve 5, a heating pipe 6, a steam outlet pipe 7, a floating plate 8, a rubber plug 9, a water inlet pipe 10, a water tank 11 and a heat exchange device 12 are arranged.

Detailed Description

A direct current steam boiler comprises a steam mechanism and a pollution discharge mechanism, wherein the steam mechanism is arranged in a boiler body and comprises a heating pipe 6 and a communicating pipe, a first communicating pipe 3 and a second communicating pipe 2 are horizontally arranged in the boiler body from top to bottom, and the first communicating pipe

A plurality of heating pipes 6 distributed in a D shape in the axial direction of the first communicating pipe 3 or the second communicating pipe 2 are correspondingly distributed between the communicating pipe 3 and the second communicating pipe 2, and the upper end and the lower end of each heating pipe 6 are correspondingly communicated with the first communicating pipe 3 or the second communicating pipe 2; heating pipe 6, first communicating pipe 3 and 2 outer walls of second communicating pipe are adhered to the diaphragm type wall and are formed the burning chamber, the furnace body front end is equipped with bocca and stretches into combustor 1 of burning chamber, and the furnace body rear end corresponds through the pipe of discharging fume and connects heat transfer device, heat transfer device includes casing and finned tube, the finned tube corresponds to set up in the casing, the finned tube both ends are intake end and outlet end respectively, and second communicating pipe 2 bottoms are equipped with a plurality of heating pipes 6 of communicating first communicating pipe 3 downwards, and first communicating pipe 3 bottoms are equipped with the bar groove, bar groove below corresponds connects sewage discharging mechanism, sewage discharging mechanism is for setting up leading sewage pipe 4 on edge under the bar groove, lead on sewage pipe 4 along being equipped with the bar breach that corresponds and connect the bar groove, sewage pipe 4 wherein one end is connected with blowoff valve 5, and second intercommunication blow off valve 5

The side part of the pipe 2 is provided with a water inlet, and the top part of the second communicating pipe 2 is provided with a steam outlet pipe 7 and a pressure release valve.

The bottom of the second communicating pipe 2 is provided with a plurality of heating pipes 6 which are communicated with the first communicating pipe 3 downwards, the first communicating pipe 3 can be conveniently led in dirt in the second communicating pipe 2 downwards, a pollution discharge mechanism is arranged, the pollution discharge mechanism is correspondingly connected with a pollution discharge pipe, the flow speed of the pollution discharge pipe in the pollution discharge process drives the dirt at the bottom of the first communicating pipe 3 to generate a certain degree of pressure, the dirt is discharged through the pollution discharge pipe through the pressure, and the dirt discharge efficiency is improved.

The blow-down valve 5 is correspondingly communicated with the middle part of the blow-down pipe 4 through a connecting pipe. Furnace body lateral part is equipped with the water inlet, the water inlet corresponds connects water installations, and water installations includes water tank 11 and kickboard 8, the water installations upper end has stretched into inlet tube 10, inlet tube 10 bottom is equipped with kickboard 8, and 8 upper ends of kickboard are equipped with the rubber buffer 9 that corresponds inlet tube 10 lower limb. When the rubber stopper 9 seals the water inlet pipe 10, the liquid level of the rubber stopper is in the same horizontal plane with the lowest edge of the water inlet.

The water inlet device is controlled by the water inlet level of the floating plate 8 and the rubber plug 9, so that the water level in the water tank 11 is kept constant basically, and the water quantity in the furnace body is improved to be constant.

The water outlet end of the heat exchange device is correspondingly communicated with a water inlet pipe 10 of the water inlet device. A limiting rod extends out of the upper end of the floating plate 8, and a limiting sleeve corresponding to the limiting rod is arranged on the side wall of the water inlet pipe 10.

Claims

1. A kind of direct current steam boiler, including steam mechanism and blow-off mechanism, its characteristic is: 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 outer walls of the heating pipe, the first communicating pipe and the second communicating pipe are attached with membrane walls to form a combustion cavity, the front end of the furnace body is provided with a burner with a fire-jet extending into the combustion chamber, the combustion chamber is correspondingly connected with a heat exchange device through a smoke exhaust pipe, the heat exchange device comprises a shell and a finned tube, the finned tube is correspondingly coiled in the shell, the two ends of the finned tube are respectively a water inlet end and a water outlet end, the bottom of the second communicating tube is provided with a plurality of heating tubes which are downwards communicated with the first communicating tube, the bottom of the first communicating tube is provided with a strip-shaped groove, the lower part of the strip-shaped groove is correspondingly connected with a sewage draining mechanism which is a sewage guide pipe arranged at the lower edge of the strip-shaped groove, the last edge of dirt guide pipe is equipped with the bar breach that corresponds the connection bar groove, and dirt guide pipe wherein one end is connected with the blowoff valve, and second communicating pipe lateral part is equipped with the water inlet, and second communicating pipe top is equipped with out steam pipe and relief valve.

2. A once-through steam boiler according to claim 1, wherein: the blowoff valve is correspondingly communicated with the middle part of the sewage guide pipe through a connecting pipe.

3. A once-through steam boiler according to claim 1, wherein: the furnace body lateral part is equipped with the water inlet, the water inlet corresponds connects water installations, and water installations includes water tank and kickboard, the water installations upper end has stretched into the inlet tube, the inlet tube bottom is equipped with the kickboard, and the kickboard upper end is equipped with the rubber buffer that corresponds the inlet tube edge down.

4. A once-through steam boiler according to claim 3, wherein: the water outlet end of the heat exchange device is correspondingly communicated with the water inlet pipe of the water inlet device.

5. A once-through steam boiler according to claim 3, wherein: a limiting rod extends out of the upper end of the floating plate, and a limiting sleeve corresponding to the limiting rod is arranged on the side wall of the water inlet pipe.