CN210050793U

CN210050793U - Vertical boiler for converting coal into gasified smokeless combustion

Info

Publication number: CN210050793U
Application number: CN201920748945.XU
Authority: CN
Inventors: 毕玉洁
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-23
Filing date: 2019-05-23
Publication date: 2020-02-11
Anticipated expiration: 2029-05-23

Abstract

The utility model discloses a coal gasification smokeless combustion vertical boiler, which belongs to the field of combustion boilers and comprises a boiler body, wherein the lower end of the boiler body is connected with a pair of coal bunkers, the upper and lower ends of the surface of each coal bunker are respectively connected with a sealing cover and an air adjusting plate, the boiler body is internally connected with a combustion chamber body, the coal bunkers are communicated with the combustion chamber body, the upper side of the combustion chamber body is provided with a heat exchange chamber, the side wall of the boiler body is fixedly connected with two pairs of connecting pipes, the combustion chamber body is communicated with the heat exchange chamber through the two pairs of connecting pipes, the heat exchange chamber is fixedly connected in the boiler body, the heat exchange chamber comprises a fire tube heat exchanger body, a water tube, a water inlet and a water outlet, the water tube is matched with the fire tube heat exchanger body, the upper end of the boiler body is fixedly connected with, easily improve the utilization rate of raw materials and is green and environment-friendly.

Description

Vertical boiler for converting coal into gasified smokeless combustion

Technical Field

The utility model relates to a combustion boiler field, more specifically say, relate to a vertical boiler of smokeless burning of coal gasification.

Background

The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, and the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy. The hot water or steam generated in the boiler can directly provide heat energy for industrial production and people life, and can also be converted into mechanical energy through a steam power device, or the mechanical energy is converted into electric energy through a generator. The boiler for supplying hot water is called a hot water boiler, is mainly used for life, and has a small amount of application in industrial production. The boiler for generating steam is called as a steam boiler, often called as a boiler for short, and is widely used for thermal power stations, ships, locomotives and industrial and mining enterprises.

At present, boiler combustion devices are widely used in industry, and have great influence on life. However, the existing boiler has the disadvantages of insufficient combustion, low energy utilization rate, high original smoke concentration of the boiler, serious pollution and low raw material utilization rate, and does not meet the goals of high efficiency, green and sustainable development pursued by the current society.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a coal changes smokeless burning vertical boiler that gasifies, it can realize easily fully burning raw materials, easily improves utilization ratio of raw materials, green.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A coal gasification smokeless combustion vertical boiler comprises a boiler body, wherein the lower end of the boiler body is connected with a pair of coal bunkers, the upper and lower ends of the surface of each coal bunker are respectively connected with a sealing cover and an air adjusting plate, a combustion chamber body is connected in the boiler body, the coal bunkers are communicated with the combustion chamber body, a heat exchange chamber is arranged on the upper side of the combustion chamber body, two pairs of connecting pipes are fixedly connected to the side wall of the boiler body, the combustion chamber body is communicated with the heat exchange chamber through the two pairs of connecting pipes, the heat exchange chamber is fixedly connected in the boiler body, the heat exchange chamber comprises a fire tube heat exchanger body, a water tube, a water inlet and a water outlet, the water tube is connected between the water inlet and the water outlet and matched with the fire tube heat exchanger body, an upper smoke tube is fixedly connected to the upper, is green and environment-friendly.

Furthermore, the one end that is close to the coal bunker in the combustion chamber body is connected with the mouth that fires of inclining, the inner wall upper end of combustion chamber body is connected with the secondary combustion mouth, the secondary combustion mouth sets up to four, easily makes the abundant burning of fuel.

Furthermore, an air door is arranged in the upper smoke tube, a transmission shaft is fixedly connected to the air door, and a motor matched with the air door is fixedly connected to the side wall of the upper smoke tube, so that the air door can be conveniently controlled to be opened and closed.

Furthermore, the connecting pipe includes a pair of return bends, and a pair of return bends are connected respectively at the outer wall lower extreme of heat exchange chamber and the outer wall upper end of combustion chamber body, and is a pair of be connected with rubber hose between the return bend, conveniently with the flue gas direction heat exchange chamber in the combustion chamber body.

Further, the lower extreme fixedly connected with mount table of furnace body, cut on the mount table have with coal bunker assorted ventilation chamber, be connected with a plurality of evenly distributed's fire bars between ventilation chamber and the coal bunker, conveniently provide down the slag after air inlet and the discharge burning.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) the scheme is easy to fully burn raw materials, easily improves the utilization rate of the raw materials and is green and environment-friendly.

(2) The one end that is close to the coal bunker in the combustion chamber body is connected with the side and fires the mouth, and the inner wall upper end of combustion chamber body is connected with the secondary combustion mouth, and the secondary combustion mouth sets up to four, easily makes the abundant burning of fuel.

(3) An air door is arranged in the upper smoke tube, a transmission shaft is fixedly connected to the air door, and a motor matched with the air door is fixedly connected to the side wall of the upper smoke tube, so that the air door can be conveniently controlled to be opened and closed.

(4) The connecting pipe comprises a pair of bent pipes, the pair of bent pipes are respectively connected to the lower end of the outer wall of the heat exchange chamber and the upper end of the outer wall of the combustion chamber body, a rubber hose is connected between the pair of bent pipes, and smoke in the combustion chamber body can be conveniently guided into the heat exchange chamber.

(5) The lower extreme fixedly connected with mount table of furnace body, cut on the mount table have with coal bunker assorted ventilation chamber, be connected with a plurality of evenly distributed's fire bars between ventilation chamber and the coal bunker, conveniently provide down the slag after air inlet and the discharge burning.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a side view of the present invention;

fig. 3 is a cross-sectional view of the present invention;

fig. 4 is a sectional view of the present invention in operation.

The reference numbers in the figures illustrate:

1 furnace body, 2 coal bunker, 3 combustion chamber body, 301 side combustion port, 302 secondary combustion port, 4 heat exchange chamber, 401 fire tube heat exchanger, 402 water pipe, 403 water inlet, 404 water outlet, 5 upper smoke tube, 6 air door, 7 electric motor, 8 sealing cover, 9 air adjusting plate, 10 connecting pipe, 11 mounting table, 12 fire bar.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; 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.

Example 1:

referring to fig. 1 and 2, a coal gasification smokeless combustion vertical boiler comprises a boiler body 1, a pair of coal bunkers 2 is connected to the lower end of the boiler body 1, sealing covers 8 and air adjusting plates 9 are respectively connected to the upper and lower ends of the surfaces of the coal bunkers 2, an upper flue pipe 5 is fixedly connected to the upper end of the boiler body 1, an air door 6 is arranged in the upper flue pipe 5, a transmission shaft is fixedly connected to the air door 6, a motor 7 matched with the air door 6 is fixedly connected to the side wall of the upper flue pipe 5, and the motor 7 is electrically connected with an external power supply and is installed by a person skilled in the art by using a suitable motor 7, such as Y80L-2, which facilitates the control of the opening and.

Referring to fig. 2, 3 and 4, a combustion chamber body 3 is connected in a furnace body 1, a pair of coal bunkers 2 are communicated with the combustion chamber body 3, one end of the combustion chamber body 3 close to the coal bunkers 2 is connected with a side burner 301, the upper end of the inner wall of the combustion chamber body 3 is connected with a secondary burner 302, the number of the secondary burner 302 is four, which facilitates full combustion of fuel, a heat exchange chamber 4 is arranged on the upper side of the combustion chamber body 3, two pairs of connecting pipes 10 are fixedly connected to the side wall of the furnace body 1, the combustion chamber body 3 is communicated with the heat exchange chamber 4 through the two pairs of connecting pipes 10, each connecting pipe 10 comprises a pair of bent pipes, the pair of bent pipes are respectively connected to the lower end of the outer wall of the heat exchange chamber 4 and the upper end of the outer wall of the combustion chamber body 3, a rubber hose is connected between the pair of bent pipes, the heat exchange chamber 4 comprises a fire tube heat exchanger body 401, a water pipe 402, a water inlet 403 and a water outlet 404, the water pipe 402 is connected between the water inlet 403 and the water outlet 404, the water pipe 402 is matched with the fire tube heat exchanger body 401, the fire tube heat exchanger body 401 is in the prior art, the fire tube heat exchanger body 401 is used for exchanging heat with water flow in the water pipe 402, the lower end of the furnace body 1 is fixedly connected with an installation platform 11, a ventilation cavity matched with the coal bunker 2 is formed in the installation platform 11, the ventilation cavity is used for collecting coal cinder and providing downward air inlet, a plurality of uniformly distributed fire bars 12 are connected between the ventilation cavity and the coal bunker 2, gaps are reserved among the uniformly distributed fire bars 12 for the burnt coal cinder to fall into the ventilation cavity, when coal is burnt, ash content of the coal automatically falls off, most of the distributed ash content falls into the ventilation cavity from the fire bars 12, and a small part of the, the lower air inlet is conveniently provided and the burned furnace slag is discharged.

When the coal cinder heat exchanger is used, coal is placed in the coal bunker 2, the flame emitted by the side beard port of the combustion chamber body 3 when the combustion chamber body 3 works ignites the coal at the bottom of the coal bunker 2, the secondary combustion port in the combustion chamber body 3 secondarily combusts pulverized coal which is not fully combusted in flue gas, hot air generated by combustion passes through the combustion chamber body 3 and enters the fire tube heat exchanger body 401 in the heat exchange chamber 4 through the connecting pipe 10, then the hot flue gas exchanges heat with the water pipe 402, the cooled flue gas after heat exchange is discharged from the upper smoke tube 5, the water temperature in the water pipe 402 rises and flows out from the water outlet 404 after heat exchange, the combusted coal cinder enters the upper smoke tube 5 through the heat exchange chamber 4, a user can open the air adjusting plate 9 to clear the coal cinder at the bottom of the coal bunker 2, when the combustion chamber body 3 works, negative pressure is formed in the combustion chamber body 3, and the sealing cover 8 and the air adjusting plate, natural wind can enter the furnace body 1 through the sealing cover 8, the air adjusting plate 9 and the mounting platform 11 to realize air inlet in the upper and middle and side directions.

After the coal raw material is put into the furnace body 1, the air speed in the furnace body 1 is improved through three air inlets, and the diffusion speed of oxygen to semi-coking coal is increased, so that the combustion temperature can be quickly improved. At this moment, the purpose of smoke abatement combustion can be achieved only through primary air, the gasification combustion layer refers to the thick coal seam combustion and is converted into combustible volatile matters to be gasified and combusted with the half reef at the same time, the gasification combustion layer with a certain thickness is kept, the combustion layer of the coal raw materials is enlarged along with the increase of the combustion temperature, at this moment, a part of combustible gas is carried away by airflow after the combustion is not in time, the combustible gas is subjected to secondary combustion through the effect of the secondary combustion port 302, the utilization rate of the raw materials is improved, and meanwhile, the content of combustible dust in the discharged smoke is reduced.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a coal changes smokeless burning vertical boiler of gasification, includes furnace body (1), its characterized in that: the coal bunker comprises a furnace body (1), wherein the lower end of the furnace body (1) is connected with a pair of coal bunkers (2), the upper end and the lower end of the surface of each coal bunker (2) are respectively connected with a sealing cover (8) and an air adjusting plate (9), a combustion chamber body (3) is connected in the furnace body (1), the coal bunkers (2) are communicated with the combustion chamber body (3), a heat exchange chamber (4) is arranged on the upper side of the combustion chamber body (3), two pairs of connecting pipes (10) are fixedly connected to the side wall of the furnace body (1), the combustion chamber body (3) is communicated with the heat exchange chamber (4) through the two pairs of connecting pipes (10), the heat exchange chamber (4) is fixedly connected in the furnace body (1), the heat exchange chamber (4) comprises a fire tube heat exchanger body (401), a water tube (402), a water inlet (403) and a water outlet (404), and a, the water pipe (402) is matched with the fire tube heat exchanger body (401), and the upper end of the furnace body (1) is fixedly connected with an upper smoke pipe (5).

2. The vertical boiler of claim 1, wherein: one end of the combustion chamber body (3) close to the coal bunker (2) is connected with a side combustion port (301), the upper end of the inner wall of the combustion chamber body (3) is connected with a secondary combustion port (302), and the number of the secondary combustion ports (302) is four.

3. The vertical boiler of claim 1, wherein: an air door (6) is arranged in the upper smoke tube (5), a transmission shaft is fixedly connected to the air door (6), and a motor (7) matched with the air door (6) is fixedly connected to the side wall of the upper smoke tube (5).

4. The vertical boiler of claim 1, wherein: the connecting pipe (10) comprises a pair of bent pipes, the pair of bent pipes are respectively connected to the lower end of the outer wall of the heat exchange chamber (4) and the upper end of the outer wall of the combustion chamber body (3), and a rubber hose is connected between the pair of bent pipes.

5. The vertical boiler of claim 1, wherein: the lower extreme fixedly connected with mount table (11) of furnace body (1), cut on mount table (11) have with coal bunker (2) assorted ventilation chamber, be connected with a plurality of evenly distributed's fire bars (12) between ventilation chamber and coal bunker (2).