CN202546704U

CN202546704U - Steam boiler

Info

Publication number: CN202546704U
Application number: CN2012200692742U
Authority: CN
Inventors: 张萌
Original assignee: FOGANG XINNENGDA ENERGY-SAVING ENVIRONMENTAL PROTECTION CO LTD
Current assignee: FOGANG XINNENGDA ENERGY-SAVING ENVIRONMENTAL PROTECTION CO LTD
Priority date: 2012-02-28
Filing date: 2012-02-28
Publication date: 2012-11-21
Anticipated expiration: 2022-02-28

Abstract

The utility model discloses a steam boiler which comprises a shell and a liner positioned inside the shell, wherein a heat insulation layer is filled between the liner and the shell; the shell comprises a plurality of layers of shell units from interior to exterior; each shell unit layer comprises a plurality of tubes which are arranged along the circumference of a central shaft of the liner and are tightly arranged; the steam boiler also comprises a water pump; the input end of the water pump is communicated with the bottom end of the liner, and the output end of the water pump is communicated with the bottoms of the plurality of tubes; the upper ends of the plurality of tubes are converged and are communicated with a steam output port on the top of the steam boiler; a liner heating coil is wound outside the liner; and a shell heating coil is wound outside the shell. Compared with the conventional steam boiler, the steam boiler has the advantages that a two-level heating mode is adopted, water is changed into high-temperature high-pressure steam, the boiler has low radiating capacity, and the energy efficiency of the steam boiler is greatly improved.

Description

Steam boiler

Technical field

The utility model relates to a kind of large-scale firing equipment, especially a kind of steam boiler.

Background technology

Boiler is a kind of energy conversion; It mainly is to convert to heat energy such as the chemical energy in the fuel, electric energy; Through the steam or the organic heat carrier of boiler output high temperature, high pressure, wherein, the boiler that produces steam is called as steam boiler; It is comparatively general boiler, and existing steam boiler can be divided into electric steam boiler, oil-fired steam boiler, combustion and steam boiler usually according to the energy that is consumed.

Advantage is widely used in all trades and professions to the electricity steam boiler because volume is less relatively etc., and it adopts single wall formula structure usually, the boiler of this structure; Heat radiation is very fast, and efficiency is relatively low, in order to overcome this defective; Some boilers gradually adopt composite construction, to reduce heat radiation, though adopt the boiler of composite construction can solve heat dissipation problem to a certain extent; But whole topology layout and conventional boiler do not have essential distinction, and efficiency is still lower.

The utility model content

To the deficiency of prior art, the purpose of the utility model is intended to provide a kind of steam boiler, and it not only can reduce the heat dissipation capacity of boiler furnace, but also can further improve the efficiency of boiler.

For realizing above-mentioned purpose, the utility model adopts following technical scheme:

Steam boiler comprises shell and the inner bag that is positioned at enclosure, is filled with thermal insulation layer between inner bag and the shell; Shell comprises the multilayer package unit from inside to outside; Each layer outer cover unit includes that a plurality of this steam boiler also includes a water pump along inner bag central shaft circumference array and compact arranged tubulation, and the input conducting of water pump is connected the bottom of inner bag; Its output is communicated with the bottom of a plurality of tubulations; The upper end of a plurality of tubulations is converged and is connected with the steam outlet that is positioned at the steam boiler top, is wound with the inner bag heater coil outside the tank, and the outside of shell is wound with the shell heater coil.

The tube wall of tubulation is provided with a plurality of apertures.

Shell also comprises the aluminium sheet that is wrapped in outermost outer cover unit outside, and is wrapped in the outer field steel plate of aluminium sheet.

Also be equipped with on the shell one be used to detect a plurality of tubulation middle water levels level switch, this level switch is connected with a controller through the signal of telecommunication, the power control terminal of water pump is connected on this controller through the signal of telecommunication.

The bottom of inner bag is provided with a conduit, and the upper end of this conduit is connected with the inner bag evenly distributed a plurality of shunting collector conducting in bottom.

Conduit is provided with connectivity port and the soft water input port that is connected with the water pump input.

This steam boiler also comprises the top cover that is positioned at its top, and top cover comprises the two-layer top cover substrate of stack up and down.

The beneficial effect of the utility model is:

Than existing steam boiler, the utility model adopts the mode of two-stage heating, and water is become high temperature, high steam; The heat dissipation capacity of its boiler is little, has improved the efficiency of steam boiler greatly, through test; Through test, be 0.5 ton boiler equally, the utility model consumed energy 30 kilowatts in 15 minutes; And plain cylindrical furnace needed 250 kilowatts of power consumptions in 15 minutes, and therefore, the utility model can be saved 8 times of power consumptions.

Description of drawings

Fig. 1 is the structural representation of a kind of steam boiler of the utility model;

Fig. 2 is the A-A cutaway view of Fig. 1.

The specific embodiment

Below, in conjunction with the accompanying drawing and the specific embodiment, the utility model done further describing:

Like Fig. 1, shown in 2, be a kind of steam boiler of the utility model, it comprises inner bag 1, shell 2, and inner bag 1 is arranged in shell 2, and is filled with heat-insulation layer 5 between the inwall of the outer wall of inner bag 1 and shell 2, and the material of this heat-insulation layer 5 is a heat preservation rock.Shell 2 comprises that shell unit 24, the 5th outer cover unit 25, the 6th outer cover unit 26 are formed all round for first outer cover unit 21 that is arranged in order from inside to outside, second outer cover unit 22, the 3rd outer cover unit 23, the; Each layer outer cover unit includes along a plurality of compact arranged tubulation of inner bag central shaft circumference array; With first outer cover unit 21 is example; A plurality of tubulations on it extend along short transverse; And two adjacent tubulations adopt welding manner to be fixedly connected; And the structure of shell unit 24, the 5th outer cover unit 25, the 6th outer cover unit 26 is identical with first outer cover unit 21 all round to arrange circular, above-mentioned second outer cover unit 22, the 3rd outer cover unit 23,, does not do repeat specification here; On the top of steam boiler, also be provided with a steam outlet 6, above-mentioned a plurality of tubulations come together in steam outlet 6 in the upper end of steam boiler, and the high temperature that boiler produced, high steam supply to use via steam outlet 6 outputs.In order to increase the intensity of boiler, in the outside of outermost the 6th outer cover unit 26, also be enclosed with one deck aluminium sheet 27, the thickness of this aluminium sheet 27 can be set to about 1mm, and the external packets of aluminium sheet 27 is wrapped with one deck steel plate 28, and the thickness of this steel plate 28 can be set to about 1cm.Be provided with a base 7 in the bottom of above-mentioned steam boiler, a water pump 71 is installed in this base 7, the input of water pump 71 is connected with inner bag 1 conducting, and its output then is connected with the bottom conducting of above-mentioned a plurality of tubulations; Below inner bag 1; Be provided with a conduit 14, these conduit 14 lower ends have a port one 2 that is used to import soft water and one and are used for the port one 1 that is connected with water pump 71, and evenly distributed on the diapire of inner bag 1 have a plurality of shunting collectors 13; The inner chamber of upper end conducting to the inner bag 1 of these shunting collectors 13; The bottom comes together in the upper end of conduit 14, and when soft water was imported from port one 2, it can enter into inner bag 1 inner chamber uniformly via a plurality of shunting collectors 13; Thereby the pressure in the conduit 14 is shunted, to reduce impact to inner bag 1.

In addition; Be provided with a plurality of apertures on the tube wall of the tubulation in shell unit 24, the 5th outer cover unit 25, the 6th outer cover unit 26 all round at first outer cover unit 21, second outer cover unit 22, the 3rd outer cover unit 23, the, the aperture 300mm that roughly makes progress from the tubulation bottom offers upwards and arranges.

The outside of above-mentioned inner bag 1 is wound with electrical heating coil 3; This electrical heating coil 3 can heat the water in the inner bag 1; And the outside of shell 2 is wound with electrical heating coil 4, and this electrical heating coil 4 can heat (specifically be to a plurality of tubulations in the shell 2 water heat) to shell 2.

One level switch 29 also is installed on shell 2, and it mainly is the water level that is used for detecting the tubulation of shell 2, and this detector 29 is connected through the signal of telecommunication with a preset controller of the utility model steam boiler; And the supply terminals of above-mentioned water pump 71 also connects through the signal of telecommunication in this controller, detector 29 preset height of water level values, and this detector 29 compares its actual detected water level value and this preset value; When detected value is lower than preset value, control the electric power starting that makes water pump 71 by controller, at this moment; Water pump 71 is started working; Water in the inner bag 1 is pumped in the tubulation of shell 2, otherwise, when detected value reaches or be higher than preset value; Controller control water pump 71 cuts out, and then water pump 71 quits work.

Top on the utility model steam boiler also is provided with a top cover 8, and this top cover 8 is superposeed to form by two-

layer substrate

81,82 and forms.

The steam boiler of the utility model is injected into a certain amount of soft water in the inner bag 1 when work, electrical heating coil 3 is heated to uniform temperature (being generally about 70 degree) with the water in the inner bag 1; Water pump 71 is pumped into the water that has uniform temperature in the inner bag 1 in the tubulation of shell 2; The water that has uniform temperature in 4 pairs of tubulations of electrical heating coil continues heating, and the hole high atomisation of the water after the heating from the tubulation becomes high temperature, high steam is exported from the steam outlet 6 at top; When water yield minimizing is lower than preset value in the tubulation; Water pump 71 work are pumped into water in the inner bag 1 in the tubulation, and the water yield in the tubulation is replenished.

In order to save electric energy, in inner bag 1, can also set up a Temperature Detector, this Temperature Detector is used for detecting the temperature of inner bag 1 water; When temperature reaches or during greater than preset value, it is sent to controller with signal, the power-off of controller control electrical heating coil 3; Electrical heating coil 3 is quit work; Otherwise when temperature was lower than preset value, then controller control electrical heating coil 3 was opened.

The utility model adopts the electromagnetism mode of heating; It is through electronic circuit board part generation alternating magnetic field, when preventing in the above with the iron content container; The container table mask promptly cuts the alternation magnetic line of force and produces alternating current at the container bottom metal section and part; Eddy current makes the iron atom high speed random motion of container bottom, and atom runs foul of each other, friction generates heat energy, thereby plays the effect of heating.Owing to be the container made of iron self-heating, its thermal transition efficient is higher, can reach more than 95% usually.

For a person skilled in the art, can make other various corresponding changes and distortion, and these all changes and distortion should belong within the protection domain of the utility model claim all according to the technical scheme and the design of above description.

Claims

1. steam boiler comprises shell and the inner bag that is positioned at enclosure, is filled with thermal insulation layer between inner bag and the shell; It is characterized in that shell comprises the multilayer package unit from inside to outside, each layer outer cover unit includes a plurality of along inner bag central shaft circumference array and compact arranged tubulation; This steam boiler also includes a water pump; The input conducting of water pump is connected the bottom of inner bag, and its output is communicated with the bottom of a plurality of tubulations, and the upper end of a plurality of tubulations is converged and connected with the steam outlet that is positioned at the steam boiler top; Be wound with the inner bag heater coil outside the tank, the outside of shell is wound with the shell heater coil.

2. steam boiler as claimed in claim 1 is characterized in that the tube wall of tubulation is provided with a plurality of apertures.

3. steam boiler as claimed in claim 1 is characterized in that, shell also comprises the aluminium sheet that is wrapped in outermost outer cover unit outside, and is wrapped in the outer field steel plate of aluminium sheet.

4. steam boiler as claimed in claim 1; It is characterized in that; Also be equipped with on the shell one be used to detect a plurality of tubulation middle water levels level switch, this level switch is connected with a controller through the signal of telecommunication, the power control terminal of water pump is connected on this controller through the signal of telecommunication.

5. steam boiler as claimed in claim 1 is characterized in that the bottom of inner bag is provided with a conduit, and the upper end of this conduit is connected with the inner bag evenly distributed a plurality of shunting collector conducting in bottom.

6. steam boiler as claimed in claim 5 is characterized in that, conduit is provided with connectivity port and the soft water input port that is connected with the water pump input.

7. steam boiler as claimed in claim 1 is characterized in that this steam boiler also comprises the top cover that is positioned at its top, and top cover comprises the two-layer top cover substrate of stack up and down.