CN215523237U

CN215523237U - Full-automatic natural gas steam boiler

Info

Publication number: CN215523237U
Application number: CN202121755568.6U
Authority: CN
Inventors: 王洪明; 黄元明
Original assignee: Shangyao Jiangxin Boiler Co ltd
Current assignee: Shangyao Jiangxin Boiler Co ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2022-01-14
Anticipated expiration: 2031-07-30

Abstract

The utility model discloses a full-automatic natural gas steam boiler, which relates to the technical field of boilers and comprises a boiler main body and a cabinet body, wherein the cabinet body is positioned on one side of the boiler main body, a heat exchanger is connected between the boiler main body and the cabinet body, the top of the heat exchanger is connected with a water delivery pipe, the bottom of the heat exchanger is respectively provided with a water pump and a flue gas pipe, and the water inlet end of the water pump is connected with a water pumping pipe. According to the utility model, through the guide plate, the cation exchange resin, the motor, the scrapers, the reciprocating screw rod and the guide groove, water is softened by matching the guide plate and the cation exchange resin, so that the generation of scale is reduced, the output end drives one gear to rotate after the motor is started, the rotating shaft is driven to rotate through the meshing of the two gears, so that the two scrapers are driven to rotate, and when the two scrapers rotate, the two scrapers slide up and down in a reciprocating manner while rotating due to the threaded connection of the two scrapers and the reciprocating screw rod, so that the scale on the inner wall of the boiler main body is conveniently scraped, the scale is reduced, and the scale is conveniently cleaned.

Description

Full-automatic natural gas steam boiler

Technical Field

The utility model relates to the technical field of boilers, in particular to a full-automatic natural gas steam boiler.

Background

The boiler is an energy conversion device, the energy input to the boiler is in the forms of chemical energy, electric energy, heat energy of high-temperature flue gas and the like in fuel, and the steam, high-temperature water or organic heat carrier with certain heat energy is output outwards after the conversion of the boiler, the original meaning of the boiler refers to a water container heated on fire, the full-automatic natural gas steam boiler at the place where fuel is burnt is a furnace, the natural gas steam boiler is one of gas steam boilers, the natural gas steam boiler uses natural gas as fuel, the heat released by the combustion in the furnace heats the water in the boiler and vaporizes the water into steam, and the energy conversion device is widely used as an energy source.

Full-automatic natural gas steam boiler that prior application technology number is CN201921192429.X relates to natural gas steam boiler technical field, and this utility model discloses an including full-automatic steam boiler body, the inside fixed mounting of full-automatic steam boiler body has the heating inner bag, one side outer wall fixed mounting of full-automatic steam boiler body has the filling water tank, the upper end fixed mounting of full-automatic steam boiler body has the pipe and the water pump of discharging fume, the upper end fixedly connected with of the pipe of discharging fume exhaust fume waste heat recovery jar, through first connecting water pipe fixed connection between waste heat recovery jar of discharging fume and the water pump, through second connection water pipe fixed connection between water pump and the filling water tank, the waste heat recovery jar of discharging fume with it is linked together through third connecting water pipe between the filling water tank. The utility model discloses a full-automatic steam boiler can carry out good heat transfer and recovery with the waste heat of discharging fume, the water that has the recovery heat volume practices thrift a large amount of heating time, saved a large amount of natural gas energy, reduce use cost, energy-conservation nature is good, but when using this full-automatic natural gas boiler because the quality of water in every area is different easily leads to the boiler to produce incrustation scale when the vaporization water, the incrustation scale is very easily adsorbed on the inner wall of boiler after producing, lead to the staff to need regularly to open boiler shell and clean the incrustation scale in the boiler, otherwise incrustation scale stops and easily influences the heating in the boiler, it is inconvenient to clear up, and this full-automatic natural gas boiler protective structure is comparatively simple, pipeline damages easily after the steam pipeline has been used for a long time and influences the conveying efficiency of steam, make the inside atmospheric pressure of boiler increase easily after the conveying efficiency of pipeline reduces, make the outer wall inflation grow of boiler influence structural stability easily after the atmospheric pressure increases, and the explosion of the boiler is easily caused in serious cases, so that the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

Based on the technical problem, the utility model aims to provide a full-automatic natural gas steam boiler to solve the technical problems of inconvenient scale cleaning and poor protection effect.

In order to achieve the purpose, the utility model provides the following technical scheme: a full-automatic natural gas steam boiler comprises a boiler main body and a cabinet body, wherein the cabinet body is positioned on one side of the boiler main body, a heat exchanger is connected between the boiler main body and the cabinet body, the top of the heat exchanger is connected with a water delivery pipe, the bottom of the heat exchanger is respectively provided with a water pump and a flue gas pipe, the water inlet end of the water pump is connected with a water pumping pipe, the top of the cabinet body is connected with a feeding baffle, the top of the feeding baffle is connected with a water inlet valve, the bottom of the cabinet body is connected with a discharging baffle, the other side of the boiler main body is connected with a pressure relief bin, a pressure relief assembly is arranged inside the pressure relief bin, a cleaning assembly is arranged at the top of the boiler main body, a first steam pipe penetrates through one side of the top of the boiler main body, a heater is arranged below the inside of the boiler main body, and one end of the flue gas pipe is connected with one side of the heater, the bottom of boiler main part is connected with natural gas pipe, the inside both sides of boiler main part all are connected with the supporting seat, the surface below of boiler main part is connected with the waste material baffle.

Through adopting above-mentioned technical scheme, the pressure release subassembly passes through the inside atmospheric pressure of pressure sensor detection boiler main part after the baroceptor starts, baroceptor sends the signal of telecommunication to control panel when atmospheric pressure in the boiler main part is too big, control panel opens the second solenoid valve after receiving the signal of telecommunication, thereby make boiler main part and pressure release storehouse be linked together and reduce the atmospheric pressure in the boiler main part after the second solenoid valve starts, thereby the clearance subassembly opens the internal production that reduces the incrustation scale with water softening through deflector and cation exchange resin cooperation of back water entering cabinet through the water intaking valve, thereby because the deflector is provided with a plurality of thereby the flow distance of extension water is convenient for soften water.

Further, the pressure release subassembly is including installing in the first solenoid valve at pressure release storehouse top, installing in the second solenoid valve between boiler main part and pressure release storehouse, installing in the baroceptor of the inside top of boiler main part and connecting in the heat preservation pad of pressure release storehouse inner wall, the top of first solenoid valve is connected with the second steam pipe, the both sides of second solenoid valve all are connected with the pressure release pipe.

Through adopting above-mentioned technical scheme, the atmospheric pressure that detects boiler main part after baroceptor starts, baroceptor sends the signal of telecommunication to control panel when atmospheric pressure in the boiler main part is too big, control panel opens the second solenoid valve after receiving the signal of telecommunication, thereby make boiler main part and pressure release storehouse be linked together and reduce the atmospheric pressure in the boiler main part after the second solenoid valve starts, the steam that gets into in the pressure release storehouse reduces thermal giving off through setting up of heat preservation pad, later in staff's accessible control panel opens the steam accessible second steam pipe that first solenoid valve made in the pressure release storehouse and gets into in the first steam pipe, conveniently let out unnecessary pressure in the boiler main part, effectively avoid explosion phenomenon's emergence.

Further, the clearance subassembly is including connecting in the deflector of the internal portion both sides of cabinet, setting up in the cation exchange resin of the internal portion of cabinet, installing in the filter screen of the internal portion below of cabinet, installing in the motor of boiler main part top opposite side, running through in the rotation axis at boiler main part top, weld in the reciprocal lead screw at supporting seat top and set up the guide way in supporting seat top both sides, just one side below that the cabinet body was run through to the one end of drinking-water pipe is connected with the filter screen, the gear has all been cup jointed to the output of motor and the outside of rotation axis, the both sides of rotation axis have all been run through the scraper blade, two one side of scraper blade all is connected with reciprocal lead screw.

By adopting the technical scheme, after the water inlet valve is opened, water enters the cabinet body and is softened through the matching of the guide plate and the cation exchange resin, so that the generation of scale is reduced, the guide plate is provided with a plurality of guide plates, so that the flowing distance of the water is prolonged, the water is softened, meanwhile, the filter screen prevents the cation exchange resin from entering the water pumping pipe, the water in the cabinet body is pumped into the boiler main body through the water pumping pipe after the water pump is started, the heater is started to ignite and begin to heat water to vaporize the water to form steam, then the steam is discharged from the first steam pipe, meanwhile, the flue gas discharged by the heater enters the inside of the heat exchanger through the flue gas pipe to preheat the water, then the flue gas is discharged from the external discharge pipe, the output end drives one gear to rotate after the motor is started, the rotating shaft is driven to rotate through the meshing of the two gears, so that the two scrapers can slide up and down in a reciprocating mode while rotating due to the threaded connection of the two scrapers and the reciprocating screw rod, conveniently strike off the incrustation scale of boiler main part inner wall, later will be guided waste material baffle direction by the incrustation scale of hanging down through the guide way.

Furthermore, the heat preservation pad is made of asbestos materials, and one end of the second steam pipe is connected with one side of the first steam pipe.

Through adopting above-mentioned technical scheme, thereby make boiler main part and pressure release storehouse be linked together and reduce the atmospheric pressure in the boiler main part after the second solenoid valve starts, the steam that gets into in the pressure release storehouse reduces thermal giving off through setting up of heat preservation pad, later in staff's accessible control panel opens first solenoid valve and makes the steam accessible second steam pipe in the pressure release storehouse get into first steam pipe, conveniently let out the interior unnecessary pressure of boiler main part, effectively avoid explosion's emergence.

Furthermore, the deflector is provided with a plurality ofly, and is a plurality of the deflector distributes along cabinet body axis of ordinates central line mirror image, and is a plurality of the deflector all is slope form, just the surface of guide way inclines down along the trash baffle direction.

By adopting the technical scheme, after the water inlet valve is opened, water enters the cabinet body and is softened by matching the guide plate and the cation exchange resin, so that the generation of water scales is reduced, and the guide plate is provided with a plurality of water softening devices for prolonging the flowing distance of the water, so that the water is softened conveniently.

Further, scraper blade and rotation axis sliding connection, just scraper blade and reciprocal lead screw threaded connection, reciprocal lead screw rotates through pivot and rotation axis to be connected, just rotation axis and scraper blade all rotate with the boiler main part to be connected.

Through adopting above-mentioned technical scheme, the gear of motor start back output drive is rotatory, thereby drives two scraper blades of the rotatory drive of rotation axis through two gear engagement and rotates, thereby because two scraper blades make two scraper blades reciprocate from top to bottom in the pivoted when two scraper blade pivoted with reciprocal lead screw threaded connection, conveniently strike off the incrustation scale of boiler main part inner wall.

Further, a control panel is installed in the middle of the outer surface of the boiler main body, and the motor, the first electromagnetic valve, the second electromagnetic valve, the air pressure sensor, the water pump and the heater are all electrically connected with the control panel.

By adopting the technical scheme, a worker turns on or off the motor, the first electromagnetic valve, the second electromagnetic valve, the air pressure sensor, the water pump and the heater through the control panel, water in the cabinet body is pumped into the boiler main body through the water pumping pipe after the water pump is started, the heater is ignited to start heating water to vaporize the water to form steam after the heater is started, and then the steam is discharged from the first steam pipe.

In summary, the utility model mainly has the following beneficial effects:

1. according to the utility model, through the guide plate, the cation exchange resin, the motor, the scrapers, the reciprocating screw rod and the guide groove, firstly, water is softened through the cooperation of the guide plate and the cation exchange resin so as to reduce the generation of scale, the output end drives one gear to rotate after the motor is started, the rotating shaft is driven to rotate through the meshing of the two gears so as to drive the two scrapers to rotate, the two scrapers slide up and down in a reciprocating manner while rotating due to the threaded connection of the two scrapers and the reciprocating screw rod when the two scrapers rotate, so that scale on the inner wall of the boiler main body can be conveniently scraped, and then the hung scale is guided to the direction of the waste material baffle through the guide groove, so that the scale is reduced and the scale is conveniently cleaned;

2. according to the utility model, through the second steam pipe, the first electromagnetic valve, the second electromagnetic valve, the air pressure sensor, the pressure relief pipe and the heat insulation pad, the air pressure in the boiler main body is detected through the air pressure sensor, when the air pressure in the boiler main body is over-high, the air pressure sensor sends an electric signal to the control panel, the control panel receives the electric signal and then opens the second electromagnetic valve, the second electromagnetic valve is started and then the boiler main body is communicated with the pressure relief bin, so that the air pressure in the boiler main body is reduced, the heat emission is reduced through the arrangement of the heat insulation pad, and then a worker can open the first electromagnetic valve through the control panel so that the steam in the pressure relief bin can enter the first steam pipe through the second steam pipe, so that the redundant pressure in the boiler main body can be conveniently relieved, the explosion phenomenon is effectively avoided, and the waste is reduced.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic view of a supporting seat structure according to the present invention;

fig. 4 is a schematic side view of the heat exchanger according to the present invention.

In the figure: 1. a boiler main body; 2. a cabinet body; 3. a pressure relief bin; 4. a control panel; 5. a waste material baffle; 6. a feed baffle; 7. a first steam pipe; 8. a pressure relief assembly; 801. a second steam pipe; 802. a first solenoid valve; 803. a second solenoid valve; 804. an air pressure sensor; 805. a pressure relief pipe; 806. a heat-insulating pad; 9. cleaning the assembly; 901. a guide plate; 902. a cation exchange resin; 903. a filter screen; 904. a motor; 905. a gear; 906. a rotating shaft; 907. a reciprocating screw rod; 908. a squeegee; 909. a guide groove; 10. a water inlet valve; 11. a heat exchanger; 12. a discharge baffle; 13. a water pump; 14. a water pumping pipe; 15. a water delivery pipe; 16. a flue gas pipe; 17. a natural gas pipe; 18. a heater; 19. and (4) supporting the base.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

The following describes an embodiment of the present invention based on its overall structure.

A full-automatic natural gas steam boiler is shown in figures 1-4 and comprises a boiler main body 1 and a cabinet body 2, wherein the cabinet body 2 is positioned at one side of the boiler main body 1, a heat exchanger 11 is connected between the boiler main body 1 and the cabinet body 2, the top of the heat exchanger 11 is connected with a water delivery pipe 15, the bottom of the heat exchanger 11 is respectively provided with a water pump 13 and a flue gas pipe 16, the water inlet end of the water pump 13 is connected with a water pumping pipe 14, the top of the cabinet body 2 is connected with a feeding baffle 6, the top of the feeding baffle 6 is connected with a water inlet valve 10, the bottom of the cabinet body 2 is connected with a discharging baffle 12, the other side of the boiler main body 1 is connected with a pressure relief bin 3, a pressure relief assembly 8 is arranged inside the pressure relief bin 3 to prevent explosion caused by overlarge air pressure in the boiler main body 1, the top of the boiler main body 1 is provided with a cleaning assembly 9 to reduce scale, one side of the top of the boiler main body 1 is penetrated by a first steam pipe 7, heater 18 is installed to the inside below of boiler main part 1, and the one end of flue gas pipe 16 is connected with one side of heater 18, the bottom of boiler main part 1 is connected with natural gas pipe 17, the inside both sides of boiler main part 1 all are connected with supporting seat 19, the surface below of boiler main part 1 is connected with waste material baffle 5, install control panel 4 in the middle of the surface of boiler main part 1, and motor 904, first solenoid valve 802, second solenoid valve 803, baroceptor 804, water pump 13 and heater 18 all with control panel 4 electric connection, the staff opens or closes motor 904 through control panel 4, first solenoid valve 802, second solenoid valve 803, baroceptor 804, water pump 13 and heater 18.

Referring to fig. 1-2, the pressure relief assembly 8 includes a first solenoid valve 802 installed on the top of the pressure relief bin 3, a second solenoid valve 803 installed between the boiler body 1 and the pressure relief bin 3, an air pressure sensor 804 installed above the interior of the boiler body 1, and a heat insulation pad 806 connected to the inner wall of the pressure relief bin 3, the top of the first solenoid valve 802 is connected with a second steam pipe 801, both sides of the second solenoid valve 803 are connected with pressure relief pipes 805, the heat insulation pad 806 is made of asbestos material, and one end of the second steam pipe 801 is connected to one side of the first steam pipe 7, the air pressure sensor 804 detects the air pressure inside the boiler main body 1 after being activated, when the air pressure in the boiler main body 1 is over-high, the air pressure sensor 804 sends an electric signal to the control panel 4, the control panel 4 receives the electric signal and then opens the second electromagnetic valve 803, and the second electromagnetic valve 803 is started to communicate the boiler main body 1 with the pressure relief bin 3, so that the air pressure in the boiler main body 1 is reduced.

Referring to fig. 2-3, the cleaning assembly 9 includes guide plates 901 connected to two sides of the interior of the cabinet 2, cation exchange resin 902 disposed in the interior of the cabinet 2, a filter screen 903 installed below the interior of the cabinet 2, a motor 904 installed on the other side of the top of the boiler body 1, a rotating shaft 906 penetrating the top of the boiler body 1, a reciprocating screw 907 welded to the top of the supporting base 19, and guide slots 909 formed at two sides of the top of the supporting base 19, one end of the water pumping pipe 14 penetrates the lower side of one side of the cabinet 2 and is connected with the filter screen 903, gears 905 are respectively sleeved on the output end of the motor 904 and the exterior of the rotating shaft 906, scrapers 908 are respectively penetrated through two sides of the rotating shaft 906, one sides of the two scrapers 908 are connected with the reciprocating screw 907, a plurality of the guide plates 901 are provided, and the plurality of guide plates 901 are distributed in a mirror image along the center line of the longitudinal axis of the cabinet 2, and the plurality of guide plates 901 are in a slope shape, and the outer surface of the guide groove 909 inclines downwards along the direction of the waste baffle 5, the scraping plate 908 is connected with the rotating shaft 906 in a sliding way, the scraping plate 908 is in threaded connection with the reciprocating screw rod 907, the reciprocating screw rod 907 is rotationally connected with the rotating shaft 906 through the rotating shaft, the rotating shaft 906 and the scraping plate 908 are rotationally connected with the boiler main body 1, and after the water inlet valve 10 is opened, water enters the cabinet body 2 and is softened through the cooperation of the guide plate 901 and the cation exchange resin 902, so that the generation of scale is reduced.

The implementation principle of the embodiment is as follows: firstly, a worker is externally connected with a water pipe at the top of the water inlet valve 10 for inputting a water source, then the worker is externally connected with a natural gas storage device at one end of the natural gas pipe 17 for inputting natural gas, then the worker is externally connected with a discharge pipe at the top of the heat exchanger 11 for discharging flue gas, then the worker is externally connected with a steam conveying pipeline at one end of the first steam pipe 7 for conveying steam, after the preparation work is finished, the worker starts the motor 904, the water pump 13 and the heater 18 through the control panel 4, then the worker opens the water inlet valve 10, after the water inlet valve 10 is opened, water enters the cabinet body 2 and is softened through the matching of the guide plate 901 and the cation exchange resin 902, so that the generation of scale is reduced, because the guide plate 901 is provided with a plurality of water, the flowing distance of the water is prolonged, the water is convenient to soften, and meanwhile, the filter screen prevents the cation exchange resin 902 from entering the water pumping pipe 14, after the water pump 13 is started, water in the cabinet 2 is pumped into the boiler body 1 through the pumping pipe 14, the heater 18 is started to ignite and heat water to vaporize the water to form steam, then the steam is discharged from the first steam pipe 7, meanwhile, flue gas discharged by the heater 18 enters the heat exchanger 11 through the flue gas pipe 16 to preheat the water, then the flue gas is discharged from an external discharge pipe, after the motor 904 is started, an output end drives one gear 905 to rotate, the two gears 905 are meshed to drive the rotating shaft 906 to rotate, so that the two scraping plates 908 are driven to rotate, when the two scraping plates 908 rotate, the two scraping plates 908 are in threaded connection with the reciprocating screw rod 907, so that the two scraping plates 908 slide up and down in a reciprocating manner while rotating, so that scale on the inner wall of the boiler body 1 can be conveniently scraped, then the hung scale is guided to the direction of the waste baffle 5 through the guide groove 909, the air pressure sensor 804 is started to detect air pressure inside the boiler body 1, when the atmospheric pressure in the boiler main body 1 is too big, baroceptor 804 sends an electric signal to control panel 4, control panel 4 opens second solenoid valve 803 after receiving the electric signal, thereby make boiler main body 1 and pressure release bin 3 be linked together after second solenoid valve 803 starts and reduce the atmospheric pressure in the boiler main body 1, the steam that gets into in the pressure release bin 3 reduces thermal giving off through the setting of heat preservation pad 806, later staff's accessible control panel 4 opens first solenoid valve 802 and makes in the pressure release bin 3 steam accessible second steam pipe 801 gets into in first steam pipe 7, conveniently let out unnecessary pressure in the boiler main body 1, effectively avoid the emergence of explosion phenomenon, after the work is finished, the staff opens waste material baffle 5 and discharges the incrustation scale, later the staff opens feeding baffle 6 and inputs the functional of salt water recovery cation exchange resin 902 in the cabinet body 2, later the staff opens ejection of compact baffle 12 and discharges salt water.

Although embodiments of the present invention have been shown and described, the present embodiments are merely illustrative of the present invention and are not intended to limit the present invention, and the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and those skilled in the art can make modifications, substitutions, variations, etc. of the embodiments as required without departing from the principle and spirit of the present invention, but within the scope of the claims of the present invention.

Claims

1. The utility model provides a full-automatic natural gas steam boiler, includes boiler main part (1) and cabinet body (2), its characterized in that: the boiler is characterized in that the cabinet body (2) is located on one side of the boiler main body (1), a heat exchanger (11) is connected between the boiler main body (1) and the cabinet body (2), a water delivery pipe (15) is connected to the top of the heat exchanger (11), a water pump (13) and a flue gas pipe (16) are respectively arranged at the bottom of the heat exchanger (11), a water inlet end of the water pump (13) is connected with a water pumping pipe (14), a feeding baffle (6) is connected to the top of the cabinet body (2), a water inlet valve (10) is connected to the top of the feeding baffle (6), a discharging baffle (12) is connected to the bottom of the cabinet body (2), the other side of the boiler main body (1) is connected with a pressure relief bin (3), a pressure relief assembly (8) is arranged inside the pressure relief bin (3), a cleaning assembly (9) is arranged at the top of the boiler main body (1), a first steam pipe (7) penetrates through one side of the top of the boiler main body (1), heater (18) are installed to the inside below of boiler main part (1), just the one end of flue gas pipe (16) is connected with one side of heater (18), the bottom of boiler main part (1) is connected with natural gas pipe (17), the inside both sides of boiler main part (1) all are connected with supporting seat (19), the surface below of boiler main part (1) is connected with waste material baffle (5).

2. A fully automatic natural gas steam boiler according to claim 1, wherein: pressure release subassembly (8) including install first solenoid valve (802) at pressure release storehouse (3) top, install second solenoid valve (803) between boiler main part (1) and pressure release storehouse (3), install baroceptor (804) in boiler main part (1) inside top and connect in heat preservation pad (806) of pressure release storehouse (3) inner wall, the top of first solenoid valve (802) is connected with second steam pipe (801), the both sides of second solenoid valve (803) all are connected with pressure release pipe (805).

3. A fully automatic natural gas steam boiler according to claim 1, wherein: the cleaning assembly (9) comprises guide plates (901) connected with two sides in the cabinet body (2), cation exchange resin (902) arranged in the cabinet body (2), a filter screen (903) arranged below the inside of the cabinet body (2), a motor (904) arranged on the other side of the top of the boiler main body (1), a rotating shaft (906) penetrating through the top of the boiler main body (1), a reciprocating screw rod (907) welded on the top of the supporting seat (19) and guide grooves (909) arranged on two sides of the top of the supporting seat (19), one end of the water pumping pipe (14) penetrates through the lower part of one side of the cabinet body (2) and is connected with a filter screen (903), the output end of the motor (904) and the outer part of the rotating shaft (906) are sleeved with gears (905), scrapers (908) penetrate through two sides of the rotating shaft (906), and one sides of the two scrapers (908) are connected with a reciprocating screw rod (907).

4. A fully automatic natural gas steam boiler according to claim 2, wherein: the heat insulation pad (806) is made of asbestos materials, and one end of the second steam pipe (801) is connected with one side of the first steam pipe (7).

5. A fully automatic natural gas steam boiler according to claim 3, wherein: the plurality of guide plates (901) are arranged, the plurality of guide plates (901) are distributed in a mirror image mode along the longitudinal axis central line of the cabinet body (2), the plurality of guide plates (901) are all in a slope shape, and the outer surface of the guide groove (909) inclines downwards along the direction of the waste baffle (5).

6. A fully automatic natural gas steam boiler according to claim 3, wherein: the scraper (908) is connected with the rotating shaft (906) in a sliding mode, the scraper (908) is in threaded connection with the reciprocating screw rod (907), the reciprocating screw rod (907) is rotatably connected with the rotating shaft (906) through the rotating shaft, and the rotating shaft (906) and the scraper (908) are both rotatably connected with the boiler body (1).

7. A fully automatic natural gas steam boiler according to claim 3, wherein: the utility model discloses a boiler, including boiler body (1), motor (904), first solenoid valve (802), second solenoid valve (803), baroceptor (804), water pump (13) and heater (18), control panel (4) are installed to the surface centre of boiler body (1), just motor (904), first solenoid valve (802), second solenoid valve (803), baroceptor (804) all with control panel (4) electric connection.