Coil pipe type steam boiler

Abstract

The utility model discloses a coil pipe type steam boiler, which relates to the technical field of coil pipe type steam boilers, and comprises a boiler body, a burner arranged at the upper end of the boiler body, an energy saver arranged at the rear end of the boiler body, a chimney arranged at the upper end of the energy saver, a steam-water separator arranged on one side of the boiler body, and a steam-water separator arranged on the other side of the boiler body. A control box is arranged on one side of the steam-water separator, a water supply system is arranged on the other side of the furnace body, an air duct pipeline is arranged at one end of the burner, an air supply fan is arranged at one end of the air duct pipeline, a base is arranged at the bottom of the furnace body, and the air supply fan is fixed to the base. According to the scheme, the problems that an existing steam boiler mostly adopts a boiler barrel structure, high-temperature steam is not prone to being discharged, explosion is prone to being caused, and safety is low are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to coil type steam boiler technical field, concretely is a coil type steam boiler. BACKGROUND

[0002] Coil type steam boiler is a kind of high-efficiency, energy-saving steam generating equipment, its core feature is to adopt full reverse-flow heat exchange technology, this technology can obtain maximum heat exchange temperature difference and lower exhaust smoke temperature, thereby reducing exhaust smoke heat loss, realizes the efficient use of energy;

[0003] For example, the Chinese authorized patent (a coil type steam boiler) with the announcement number CN205351275U): including the inside of the outer furnace body of inner furnace body, the lower end of inner furnace body is installed with flange plate, the upper end of flange plate is installed with the coal adding port corresponding with the slag outlet, is provided with a plurality of air passages on the inner wall of slag area in slag outlet;Flange plate is installed on the upper surface of furnace tooth disc, and the whole coil is installed on the upper surface of furnace tooth disc, and the whole coil is wound and installed in the inside of inner furnace body, the first end of whole coil is installed with water inlet, and the tail end of whole coil is installed with water outlet, and water inlet and water outlet are installed at the lower end of outer furnace body;The middle of the upper end of whole coil is installed with cover plate horizontally, and the central position of the top of outer furnace body is installed with exhaust port. Through the direct heating of combustion material to coil, the heating efficiency is improved;The combustion of combustion material in inner furnace body is realized by the air circulation between exhaust port and air inlet in heating process, and the pollution of discharged flue gas to environment is reduced.

[0004] However, the existing steam boiler is mostly of drum structure, high-temperature steam is not easy to discharge, is easy to cause explosion, and the safety is low;Therefore, it does not meet the existing demand, and for this, we propose a coil type steam boiler. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a coil type steam boiler to solve the problems of the existing steam boiler mostly of drum structure, high-temperature steam not easy to discharge, easy to cause explosion and low safety in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a coil type steam boiler, comprising: a furnace body, the upper end of the furnace body is provided with a combustion machine, the rear end of the furnace body is provided with an economizer, the upper end of the economizer is provided with a chimney, one side of the furnace body is provided with a steam-water separator, one side of the steam-water separator is provided with a control box, the other side of the furnace body is provided with a feedwater system.

[0007] Preferably, one end of the combustion machine is provided with an air duct pipeline, one end of the air duct pipeline is provided with a fan, the bottom of the furnace body is provided with a base, and the fan is fixed on the base.

[0008] Preferably, one side of the water supply system is provided with a platform escalator, and the platform escalator is fixed with the furnace body by external fixing bolts.

[0009] Preferably, a pipeline valve instrument is installed on the pipeline for connecting the water supply system with the furnace body, and a water supply pump is externally connected to the water inlet end of the water supply system.

[0010] Preferably, one side of the chimney is provided with an explosion door.

[0011] Preferably, the inside of the furnace body is provided with an internal coil pipe, and the internal coil pipe is a double coil pipe structure or a triple coil pipe structure, and the inside bottom surface of the furnace body is provided with a refractory material.

[0012] Preferably, a water supply pipeline is arranged on one side surface of the furnace body close to the upper end, a steam outlet pipeline is arranged on the other side surface of the furnace body close to the upper end, and a drain port is arranged on one side surface of the furnace body close to the lower end.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1、 the utility model discloses a furnace body's inside is provided with internal coil pipe, and the furnace body's one side surface close to the upper end is provided with water supply pipeline, and the other side surface of the furnace body close to the upper end is provided with steam outlet pipeline, and the furnace body's one side surface close to the lower end is provided with drain port, and the internal coil pipe is two layers and is internal coil pipe and outer coil pipe respectively, and the water of outside is preheated by energy saving device and then enters internal coil pipe through water supply pipeline connected with outer coil pipe, and then changes into steam and is discharged through steam outlet pipeline, and the evaporimeter furnace body is formed by the series connection of internal coil pipe and outer coil pipe, and the medium enters internal coil pipe from outer coil pipe and is recycled and changes into high-temperature steam and is discharged, and the furnace body does not discharge during the period, and is more energy -conserving, and because the evaporimeter is without the pot drum, thereby avoiding the explosion hidden danger caused by the pot drum, thereby being safer, and the problem that the existing steam boiler adopts the pot drum structure, and high-temperature steam is not easy to discharge, and is easy to cause explosion and is low in safety is solved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the overall structure schematic diagram of the utility model;

[0016] Figure 2 It is the overall right side view structure schematic diagram of the utility model;

[0017] Figure 3 It is the overall overhead structure schematic diagram of the utility model;

[0018] Figure 4 It is the internal section structure schematic diagram of the furnace body of the utility model;

[0019] In the figure: 1, furnace body; 2, combustion machine; 3, energy saver; 4, pipeline valve instrument; 5, base; 6, platform escalator; 7, steam-water separator; 8, control box; 9, water supply system; 10, explosion door; 11, chimney; 12, air supply fan; 13, air duct pipeline; 14, internal coil; 15, refractory material; 16, water supply pipeline; 17, steam outlet pipeline; 18, drain. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0021] Please refer to Figures 1-4 An embodiment provided by the utility model: a coil type steam boiler, comprising: a furnace body 1, the upper end of the furnace body 1 is provided with a combustion machine 2, the rear end of the furnace body 1 is provided with an energy saver 3, the upper end of the energy saver 3 is provided with a chimney 11, one side of the furnace body 1 is provided with a steam-water separator 7, one side of the steam-water separator 7 is provided with a control box 8, the other side of the furnace body 1 is provided with a water supply system 9, one end of the combustion machine 2 is provided with an air duct pipeline 13, one end of the air duct pipeline 13 is provided with an air supply fan 12, the bottom of the furnace body 1 is provided with a base 5, and the air supply fan 12 is fixed on the base 5, the pipeline connected with the furnace body 1 of the water supply system 9 is provided with a pipeline valve instrument 4, and the water inlet end of the water supply system 9 is connected with a water supply pump, one side of the chimney 11 is provided with an explosion door 10, the inside of the furnace body 1 is provided with an internal coil 14, and the internal coil 14 is a double coil structure or a three coil structure, the inside bottom surface of the furnace body 1 is provided with a refractory material 15, one side surface of the furnace body 1 close to the upper end is provided with a water supply pipeline 16, the other side surface of the furnace body 1 close to the upper end is provided with a steam outlet pipeline 17, and one side surface of the furnace body 1 close to the lower end is provided with a drain 18.

[0022] The internal coil 14 is two layers, which are an outer coil and an inner coil, the water outside is preheated by the energy saver 3 and then enters the internal coil 14 through the water supply pipeline 16 connected with the outer coil, and then becomes steam through the inner coil and is discharged through the steam outlet pipeline 17, the evaporator furnace body 1 is formed by the internal coil 14 in series, the medium enters the outer coil and is recycled to the inner coil and becomes high-temperature steam, and the furnace body 1 does not discharge during the period, which is more energy-saving, and since there is no drum in the evaporator, the explosion hidden danger caused by the drum is avoided, so that it is safer.

[0023] Please refer to Figure 1 , 2 One side of the water supply system 9 is provided with a platform escalator 6, and the platform escalator 6 is fixed with the furnace body 1 through external fixing bolts, so that personnel can climb the furnace body 1 for maintenance through the platform escalator 6, and the convenience is improved.

[0024] Working principle: when in use, the pipeline valve instrument 4 is installed on the pipeline connected with the furnace body 1 of the water supply system 9, and the water inlet end of the water supply system 9 is connected with a water supply pump, water is transported into the furnace body 1 through the water supply system 9, the air blower 12 provides oxygen for the combustion machine 2, the combustion machine 2 heats the straight-flow coil pipe in the furnace body 1, the steam efficiency is improved, the steam-water separator 7 separates steam and water, the energy saver 3 performs condensation and heat exchange operation, the gas is discharged from the top opening of the chimney 11, the compact design is very suitable for small sites, ensures high-quality operation, can be directly installed and connected on site, improves the convenience and flexibility, the internal coil pipe 14 is a double-coil pipe structure or a three-coil pipe structure, which is an outer coil pipe and an inner coil pipe, the external water is preheated by the energy saver 3 and then enters the internal coil pipe 14 through the water supply pipeline 16 connected with the outer coil pipe, and then is changed into steam by the inner coil pipe and is discharged through the steam outlet pipeline 17, the evaporator furnace body 1 is formed by the series connection of the internal coil pipe 14, the medium enters the outer coil pipe and is recycled to the inner coil pipe and is changed into high-temperature steam, the furnace body 1 is not discharged during the period, is more energy-saving, and since there is no drum in the evaporator, the explosion hazard caused by the drum is avoided, so that it is safer.

[0025] It is apparent for those skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but rather that it can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the present application being defined by the appended claims rather than that of the above description, and it is intended to embrace all changes and modifications that fall within the meaning and scope of equivalents of the claims. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

Claims

1. A coil type steam boiler comprising a furnace body (1), characterized in that: The upper end of the furnace body (1) is provided with a combustion machine (2), the rear end of the furnace body (1) is provided with an energy saver (3), the upper end of the energy saver (3) is provided with a chimney (11), one side of the furnace body (1) is provided with a steam-water separator (7), one side of the steam-water separator (7) is provided with a control box (8), the other side of the furnace body (1) is provided with a feedwater system (9).

2. A coil type steam boiler as claimed in claim 1, wherein: One end of the combustion machine (2) is provided with an air duct pipe (13), one end of the air duct pipe (13) is provided with a fan (12), the bottom of the furnace body (1) is provided with a base (5), and the fan (12) is fixed on the base (5).

3. A coil type steam boiler as claimed in claim 1, wherein: One side of the feedwater system (9) is provided with a platform escalator (6), and the platform escalator (6) is fixed with the furnace body (1) by external fixing bolts.

4. A coil type steam boiler as claimed in claim 1, wherein: The pipeline connecting the feedwater system (9) and the furnace body (1) is provided with a pipeline valve instrument (4), and the water inlet end of the feedwater system (9) is connected with a feedwater pump.

5. A coil type steam boiler as claimed in claim 1, wherein: One side of the chimney (11) is provided with an explosion door (10).

6. A coil tube steam boiler according to claim 1, characterized in that: The inside of the furnace body (1) is provided with an internal coil pipe (14), and the internal coil pipe (14) is a double coil pipe structure or a three coil pipe structure, and the inside bottom surface of the furnace body (1) is provided with a refractory material (15).

7. A coil tube steam boiler according to claim 6, characterized in that: One side surface of the furnace body (1) near the upper end is provided with a water supply pipeline (16), the other side surface of the furnace body (1) near the upper end is provided with a steam outlet pipeline (17), and one side surface of the furnace body (1) near the lower end is provided with a drain (18).

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