CN214094424U - Waste heat utilization type fuel oil gas steam boiler - Google Patents

Abstract

The utility model discloses a waste heat utilization type fuel gas steam boiler, including the boiler body, this internal steam water tank of installing of boiler installs scale removal device in the steam water tank, and the tobacco pipe is installed out to the play cigarette end of boiler body, and the inlet tube is installed to the end of intaking of boiler body, installs the water pump on the inlet tube, goes out to install the waste heat utilization device between tobacco pipe and the inlet tube. The utility model has the advantages that: drive the scraper blade through setting up the motor and rotate, the scraper blade can effectively strike off the incrustation scale that adsorbs at the steam water tank inside wall, guarantee the cleanness of steam water tank inner wall, effectively improve boiler body's heat conversion efficiency, can effectively retrieve the heat in the flue gas through setting up heat recovery unit, the energy can be saved sets up preheating device and utilizes the heat that heat recovery unit retrieved, preheat the water in the inlet tube, make boiler body more high-efficient when heating the inlet tube.

Description

Waste heat utilization type fuel oil gas steam boiler

Technical Field

The utility model relates to a steam boiler field, especially a waste heat utilization type fuel gas steam boiler.

Background

The boiler is an energy conversion device, the energy input to the boiler is chemical energy and electric energy in fuel, the boiler outputs steam, high-temperature water or organic heat carrier with certain heat energy, the combustion and heat absorption evaporation of the boiler shell type boiler are completed in a cylinder body, the boiler is divided into horizontal type and vertical type, such as early blue development, a gun fire furnace and the like, and the main heating surface of the water pipe boiler is a boiler with a pipe, so that the boiler is a great improvement of the early boiler, and the safety and reliability are greatly improved.

The smoke of some existing boilers is generally directly discharged, a large amount of heat energy is lost due to the fact that the smoke of the boilers contains a large amount of heat energy, the heat conversion efficiency of the boilers is low, and after the boilers are used for a long time, a large amount of water scale is generated on the inner walls of the boilers and the heat conversion efficiency of the boilers is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome prior art's shortcoming, provide a waste heat utilization type fuel oil gas steam boiler.

The purpose of the utility model is realized through the following technical scheme: the utility model provides a waste heat utilization type fires oil gas steam boiler, includes the boiler body, installs the steam water tank in the boiler body, installs scale removal device in the steam water tank, and the tobacco pipe is installed out to the play cigarette end of boiler body, and the inlet tube is installed to the end of intaking of boiler body, installs the water pump on the inlet tube, goes out to install waste heat utilization device between tobacco pipe and the inlet tube.

The further technical scheme is that the descaling device is provided with a motor, the motor is arranged on the steam water tank, the output end of the motor is provided with a rotating rod, the rotating rod is provided with a scraper, and the scraper is interfered with the inner wall of the steam water tank.

A further technical scheme is that a heat insulation box is installed in the boiler body, and the motor is installed in the heat insulation box.

A further technical scheme is that a steam outlet is arranged on the boiler body and is communicated with the air outlet end of the steam water tank, and an observation window is arranged on the boiler body.

The waste heat utilization device is provided with a heat recovery device and a preheating device, the heat recovery device is arranged on the smoke outlet pipe, the preheating device is arranged on the water inlet pipe, and the output end of the heat recovery device is connected with the preheating device.

The further technical proposal is that a dust collection box is arranged on the bottom surface of the heat recovery device, and an electric push rod is arranged on the dust collection box.

A further technical scheme is that a blow-off pipe is arranged on the boiler body, and a valve is arranged on the blow-off pipe.

Compared with the prior art, the beneficial effects of the utility model are one of following at least:

1. the utility model discloses a set up the motor and drive the scraper blade and rotate, the scraper blade can effectively strike off the incrustation scale that adsorbs at the steam water tank inside wall, guarantee the cleanness of steam water tank inner wall, effectively improve the heat conversion efficiency of boiler body, can effectively retrieve the heat in the flue gas through setting up heat recovery unit, the energy can be saved sets up preheating device and utilizes the heat that heat recovery unit retrieved, preheat the water in the inlet tube, make the boiler body more high-efficient when heating the inlet tube.

2. The utility model discloses a set up the heat insulation box and can guarantee that the high temperature in the steam water tank can not cause the harm to the motor, the life of extension motor is convenient for clear up the dust in the dust collection box through setting up electric putter, carries out the blowdown through setting up valve and blow off pipe, simple structure, convenient operation.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic cross-sectional view of the front view of the present invention.

In the figure, 1-a boiler body, 2-a steam water tank, 3-a descaling device, 301-a motor, 302-a rotating rod, 303-a scraper blade, 4-a heat insulation box, 5-a steam outlet, 6-a waste heat utilization device, 601-a heat recovery device, 602-a preheating device, 7-a dust collection box, 8-an electric push rod, 9-a water inlet pipe, 10-a water pump, 11-a valve, 12-a sewage discharge pipe, 13-a smoke outlet pipe and 14-an observation window.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which the products of the present invention are conventionally placed in use, or the position or positional relationship which the skilled person conventionally understand, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the reference is made must have a specific position, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, an embodiment is shown, in which a waste heat utilization type fuel gas steam boiler includes a boiler body 1, a steam water tank 2 is installed in the boiler body 1, a descaling device 3 is installed in the steam water tank 2, a smoke outlet end of the boiler body 1 is installed with a smoke outlet pipe 13, a water inlet pipe 9 is installed at a water inlet end of the boiler body 1, a water pump 10 is installed on the water inlet pipe 9, a waste heat utilization device 6 is installed between the smoke outlet pipe 13 and the water inlet pipe 9, the descaling device 3 has a motor 301, the motor 301 is installed on the steam water tank 2, a rotating rod 302 is installed at an output end of the motor 301, a scraper 303 is installed on the rotating rod 302, the scraper 303 interferes with an inner wall of the steam water tank 2, the scraper 303 is driven by the motor 301 to rotate, the scraper 303 can effectively scrape scale adsorbed on an inner wall of the steam water tank 2, so as to ensure that the inner wall of the steam water tank 2 is clean, the heat conversion efficiency of the boiler body 1 is effectively improved, the heat insulation box 4 is installed in the boiler body 1, the motor 301 is installed in the heat insulation box 4, the heat insulation box 4 is arranged to ensure that the high temperature in the steam water tank 2 can not damage the motor 301, the service life of the motor 301 is prolonged, the boiler body 1 is provided with the steam outlet 5, the steam outlet 5 is communicated with the air outlet end of the steam water tank 2, the boiler body 1 is provided with the observation window 14, the operation condition of the internal equipment of the boiler body 1 can be conveniently observed through the arrangement of the observation window 14, the waste heat utilization device 6 is provided with the heat recovery device 601 and the preheating device 602, the heat recovery device 601 is installed on the smoke outlet pipe 13, the preheating device 602 is installed on the water inlet pipe 9, the output end of the heat recovery device 601 is connected with the preheating device 602, and the heat in the smoke can be effectively recovered through the arrangement of the heat recovery device 601, energy can be saved, set up preheating device 602 and utilize the heat that heat recovery device 601 retrieved, preheat the water in the inlet tube 9, it is more high-efficient when heating inlet tube 9 to make boiler body 1, dust collection box 7 is installed to heat recovery device 601's bottom surface, install electric putter 8 on the dust collection box 7, install blow off pipe 12 on the boiler body 1, install valve 11 on the blow off pipe 12, be convenient for clear up the dust in the dust collection box 7 through setting up electric putter 8, blow off through setting up valve 11 and blow off pipe 12, moreover, the steam generator is simple in structure, and convenient for operation.

The working process of the utility model is as follows: when the boiler is used, firstly, when the boiler body 1 runs, the generated flue gas enters the heat recovery device 601 through the flue gas outlet pipe 13, the heat recovery device 601 absorbs and transfers the heat in the flue gas to the preheating device 602, the preheating device 602 preheats the water in the water inlet pipe 9, the steam generated by the boiler body 1 is output from the steam outlet 5, the residual amount of the water in the boiler body 1 is observed through the observation window 14, when the water is insufficient, the water pump 10 is started, the water in the water inlet pipe 9 enters the boiler body 1, when the smoke dust in the heat recovery device 601 is accumulated excessively, the dust collection box 7 is opened, the electric push rod 8 is started to push out the smoke dust accumulated in the dust collection box 7, when the incrustation scale of the inner wall of the steam water tank 2 is too much, the motor 301 is started, the motor 301 drives the scraper blade 303 through the rotating rod 302 to scrape the incrustation scale of the inner wall of the steam water tank 2, and then the drain pipe 12 is opened through the valve 11 to drain.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (7)

1. The utility model provides a waste heat utilization type fuel gas steam boiler, includes boiler body (1), its characterized in that: install steam water tank (2) in boiler body (1), install scale removal device (3) in steam water tank (2), tobacco pipe (13) are installed out to the play cigarette end of boiler body (1), inlet tube (9) are installed to the end of intaking of boiler body (1), install water pump (10) on inlet tube (9), it installs waste heat utilization device (6) to go out between tobacco pipe (13) and inlet tube (9).

2. A waste heat utilization type fuel-gas steam boiler according to claim 1, wherein: the descaling device (3) is provided with a motor (301), the motor (301) is installed on the steam water tank (2), a rotating rod (302) is installed at the output end of the motor (301), a scraper (303) is installed on the rotating rod (302), and the scraper (303) interferes with the inner wall of the steam water tank (2).

3. A waste heat utilization type fuel-gas steam boiler according to claim 2, wherein: install heat insulation box (4) in boiler body (1), motor (301) are installed in heat insulation box (4).

4. A waste heat utilization type fuel-gas steam boiler according to claim 1, wherein: the steam boiler is characterized in that a steam outlet (5) is arranged on the boiler body (1), the steam outlet (5) is communicated with the air outlet end of the steam water tank (2), and an observation window (14) is arranged on the boiler body (1).

5. A waste heat utilization type fuel-gas steam boiler according to claim 1, wherein: the waste heat utilization device (6) is provided with a heat recovery device (601) and a preheating device (602), the heat recovery device (601) is installed on the smoke outlet pipe (13), the preheating device (602) is installed on the water inlet pipe (9), and the output end of the heat recovery device (601) is connected with the preheating device (602).

6. A waste heat utilization type fuel-gas steam boiler according to claim 5, wherein: the bottom surface of the heat recovery device (601) is provided with a dust collection box (7), and the dust collection box (7) is provided with an electric push rod (8).

7. A waste heat utilization type fuel-gas steam boiler according to claim 1, wherein: the boiler is characterized in that a drain pipe (12) is installed on the boiler body (1), and a valve (11) is installed on the drain pipe (12).

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