CN214147835U - High-efficiency energy-saving horizontal oil-gas steam boiler - Google Patents
High-efficiency energy-saving horizontal oil-gas steam boiler Download PDFInfo
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- CN214147835U CN214147835U CN202023158255.0U CN202023158255U CN214147835U CN 214147835 U CN214147835 U CN 214147835U CN 202023158255 U CN202023158255 U CN 202023158255U CN 214147835 U CN214147835 U CN 214147835U
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Abstract
The utility model discloses a high-efficient energy-saving horizontal fuel gas steam boiler, the furnace body is horizontal on the base, the heat preservation stove outer covering is horizontally installed on the base, the pot body and the furnace body are all horizontally installed in the heat preservation stove outer covering, and the pot body is located the top of furnace body, the combustor is installed in the fire door department of furnace body, be provided with the heat transfer flame path structure and the explosion vent of many return strokes in the furnace body, be provided with water tank wind channel structure and clearance hole on the pot body, the water inlet end and the pot body of heat transfer flame path structure communicate, the play fire end of heat transfer flame path structure communicates with the fire inlet end of water tank wind channel structure through the baffling chamber, the heat transfer flame path structure will absorb the heat and convert the storage, the heat that has also can play the heat preservation effect to the furnace body; the water tank air channel structure directly transmits most of waste heat in the flue gas to the boiler body to heat the water body, and a small part of heat exchange is converted and utilized for other media, so that the horizontal fuel oil gas steam boiler greatly reduces heat loss and improves heat utilization efficiency.
Description
Technical Field
The utility model relates to a fuel gas steam boiler equipment technical field, concretely relates to energy-efficient type horizontal fuel gas steam boiler.
Background
The gas-fuel steam boiler refers to a gas-fuel steam boiler or a fuel-fuel steam boiler or a steam boiler which can be used for burning fuel and burning fuel at the same time, and is distinguished according to the energy form adopted. The horizontal gas-fuel oil steam boiler adopts an offset furnace pipe wet-back type structure, high-temperature smoke gas sequentially washes a second return smoke pipe and a third return smoke pipe, and then the high-temperature smoke gas is discharged into the atmosphere from a rear smoke chamber through a chimney. The boiler is provided with movable front and rear smoke box covers, so that the boiler is convenient to overhaul. The industrial burner with excellent boiler performance adopts advanced technologies such as automatic combustion proportion regulation, automatic water supply regulation, program start and stop, full-automatic operation and the like, and has automatic protection functions such as high and low water level alarm, extremely low water level, ultrahigh steam pressure, flameout and the like.
In the prior art, the main defects and the core technology of the fuel-gas steam boiler are basically focused on the aspect of heat conversion efficiency, the improvement of the heat conversion efficiency enables the fuel-gas steam boiler to be more efficient and energy-saving, and the main problem that people need to overcome is that a burner of the conventional fuel-gas steam boiler supplies heat to the internal flame, however, the steam boiler has unsatisfactory heat absorption and conversion utilization effects, the heat loss mainly has two forms, 1, one part of the heat can be absorbed and transmitted by a boiler body to the outside, the boiler body dissipates the heat to obtain the outside, and 2, one part of the heat is taken away by smoke; cause very big waste, the flame path of many return strokes is set up in the pot body to general means that improves heat utilization ratio, contact surface and time through the pot body and heat, improve heat conversion efficiency, nevertheless to the heat in the furnace body is lost, lack the means that improves heat conversion efficiency, current flue gas waste heat recovery is that the heat transfer in with the flue gas converts the storage for other medium, so this application provides one kind can be in the furnace body with the internal part heat of direct absorption conversion of pot, and then reduce the furnace body to thermal absorption and the heat that the flue gas is lost, improve heat utilization and conversion efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a horizontal fuel gas steam boiler of energy-efficient type to heat in solving steam boiler has partly can be absorbed by the furnace body and transmits the external world and the pot body scatters and disappears the heat and obtains the external world, and partly is taken away by the flue gas, causes very big extravagant problem.
In order to solve the technical problem, the utility model adopts the following technical scheme:
energy-efficient horizontal fuel gas steam boiler, including combustor, base, the pot body, furnace body and heat preservation stove outer covering, the horizontal level of furnace body is in on the base, heat preservation stove outer covering horizontal installation be in on the base, the pot body with the equal horizontal installation of furnace body is in the heat preservation stove outer covering, just the pot body is located the top of furnace body, the combustor is installed the fire department of furnace body, be provided with the heat transfer flame path structure and the explosion vent of many return strokes in the furnace body, be provided with water tank wind channel structure and clearance hole on the pot body, the end of intaking of heat transfer flame path structure with pot body intercommunication, the play fire end of heat transfer flame path structure through the baffling chamber with the end intercommunication of intaking of water tank wind channel structure.
The further technical scheme is as follows: the heat exchange flame path structure comprises a first heat storage pipe, a second heat storage pipe, a first heat exchange assembly, a second heat exchange assembly and a third heat exchange assembly, wherein the first heat storage pipe and the second heat storage pipe are located below the pot body and are arranged in parallel with the pot body, the first heat storage pipe and the second heat storage pipe are distributed triangularly, a plurality of the first heat exchange assembly is communicated with the first heat storage pipe and the pot body, the second heat exchange assembly is communicated with the first heat storage pipe and the second heat storage pipe, and the third heat exchange assembly is communicated with the second heat storage pipe and the pot body.
The further technical scheme is as follows: the first heat exchange assembly is composed of a plurality of parallel tube banks, and the adjacent tube banks are provided with flame paths for flame circulation.
The further technical scheme is as follows: and a communicating pipe is arranged between the first heat storage pipe and the second heat storage pipe, and a plurality of furnace wall cooling pipes communicated with the pot body are arranged on the communicating pipe.
The further technical scheme is as follows: the water tank air duct structure comprises a heat exchanger, a heat-preservation smoke tube and a plurality of fire tubes, wherein the fire tubes are arranged in the boiler body in a penetrating mode, and the heat exchanger is communicated with the outer ends of the fire tubes through the heat-preservation smoke tube.
The further technical scheme is as follows: the heat exchanger comprises a heat exchange water tank, heat exchange plates and baffle plates, wherein the air inlet end of the heat exchange water tank is communicated with the outer end of the fire tube, the heat exchange plates are uniformly arranged in the heat exchange water tank in a penetrating mode and are communicated with the heat exchange water tank, the baffle plates are arranged at two ends of the heat exchange plates, and a baffle flue is formed between the heat exchange plates and the baffle plates.
The further technical scheme is as follows: a plurality of annular depressions are provided on the fire tube.
The further technical scheme is as follows: the pot body is provided with a water level alarm and a water level gauge which are communicated with the pot body, and the low water level end of the water level gauge is horizontally arranged with the highest end of the fire tube.
Compared with the prior art, the utility model discloses can reach one of following beneficial effect at least:
1. the utility model provides a high-efficient energy-saving horizontal fuel gas steam boiler increases heat transfer flame path structure between the heat that furnace body and combustor provided, on the one hand is used for hindering the furnace body to the absorption of heat, reduces heat to external transmission and exchange, on the other hand, can further absorb the conversion to the heat of furnace body transmission, then in transmitting the water in the pot body, the scattering and disappearing of very big reduction heat improves heat utilization efficiency, heat transfer flame path structure also can convert the absorption heat and store, the heat that exists also can play the heat preservation effect to the furnace body; the water tank air channel structure directly transmits most of the waste heat in the flue gas to the pot body to heat the water body, and a small part of heat exchange is converted and utilized for other media.
2. First heat exchange assemblies, second heat exchange assemblies and third heat exchange assemblies in the heat transfer flame path structure group together and form the combustion chamber, and the heat is directly absorbed by each heat exchange assemblies, greatly reduces the heat to the transmission of furnace body, and heat transfer flame path structure itself can be formed with the flame path structure of many return strokes moreover, has improved heat and each heat exchange assemblies' contact time and area, improves thermal conversion efficiency.
3. The water level alarm and the water level gauge are arranged on the pot body and communicated with the pot body, the water level in the pot body can be controlled through the water level gauge to overflow the fire tube, the device is prevented from being damaged by idle burning, and meanwhile, the waste heat of flue gas can be prevented from being emptied.
Drawings
FIG. 1 is a schematic structural view of the horizontal fuel-gas steam boiler of the present invention.
Fig. 2 is a schematic structural view of the pot body and the furnace body in fig. 1 of the present invention.
Fig. 3 is a schematic structural view of the heat exchange flue structure in fig. 1 according to the present invention.
FIG. 4 is a schematic view of the fire tube of FIG. 1 according to the present invention.
Reference numerals: 1. a burner; 2. a base; 3. a pan body; 4. a furnace body; 5. a thermal insulation material; 6. a heat preservation furnace shell; 7. a heat exchange flue structure; 71. a first heat storage pipe; 72. a second heat storage pipe; 73. a first heat exchange assembly; 731. a tube bank; 74. a second heat exchange assembly; 75. a third heat exchange assembly; 8. a fire tube; 81. an annular recess; 11. a communicating pipe; 12. furnace wall cooling tubes; 13. a water tank air duct structure; 131. a heat exchanger; 132. a heat preservation smoke pipe; 1311. a heat exchange water tank; 1312. a heat exchange plate; 1313. a baffle plate; 14. a baffling cavity; 15. an explosion vent; 16. cleaning the holes; 17. a water level alarm; 18. a water level gauge.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1:
embodiment 1 referring to fig. 1 and one embodiment shown, an energy-efficient horizontal oil-gas steam boiler comprises a burner 1, a base 2, a boiler body 3, a boiler body 4 and a heat-preserving furnace shell 6, the furnace body 4 is horizontally arranged on the base 2, the heat preservation furnace shell 6 is horizontally arranged on the base 2, the pot body 3 and the furnace body 4 are both horizontally arranged in the heat preservation furnace shell 6, the boiler body 3 is positioned above the furnace body 4, the burner 1 is arranged at the fire hole of the furnace body 4, a multi-return-stroke heat exchange flame path structure 7 and an explosion door 15 are arranged in the furnace body 4, a water tank air path structure 13 and a cleaning hole 16 are arranged on the pot body 3, the water inlet end of the heat exchange flame path structure 7 is communicated with the pot body 3, and the fire outlet end of the heat exchange flame path structure 7 is communicated with the fire inlet end of the water tank air duct structure 13 through the baffling cavity 14.
The high-efficiency energy-saving pot body structure and the horizontal fuel gas steam boiler are characterized in that a heat preservation furnace shell 6 is horizontally arranged and transversely arranged on a base 2, a pot body 3 and a furnace body 4 are horizontally arranged in the heat preservation furnace shell 6, the pot body 3 is positioned above the furnace body 4, a burner 1 is arranged at a fire hole of the furnace body 4, the burner 1 can be of a fuel type or a fuel type, the burner 1 sprays fire into the furnace body 4, the pot body 3 is heated and boiled to generate steam, an external control device is used for controlling the work of the fuel gas steam boiler, a multi-return-stroke heat exchange fire path structure 7 and a water tank air channel structure 13 are arranged on the pot body 3, a water inlet end of the heat exchange fire path structure 7 is communicated with the pot body 3 and used for water circulation, the water heated in the pot body 4 is lifted to the pot body 3, a fire outlet end of the heat exchange fire path structure 7 is communicated with a fire inlet end of the water tank structure 13 through a baffling cavity 14, an explosion-proof door 15 on the furnace body 4 prevents explosion, set up clearance hole 16 on the pot body 3 and be convenient for personnel's clearance dirt rust cleaning, heat transfer flame path structure 7 is located between the heat that furnace body 4 and combustor 1 provided, on the one hand, be used for hindering furnace body 4 to thermal absorption, reduce heat to external transmission and exchange, on the other hand, can be with the further absorption conversion of heat to furnace body 4 transmission, then in the water of transmission in the pot body 3, the water in the heat transfer flame path structure 7 absorbs the heat and converts the storage, the heat that exists also can play the heat preservation effect to furnace body 4, water tank wind channel structure 13 transmits the waste heat majority in the flue gas for pot body 3, little part of heat transfer is utilized for other medium conversion, this pot body structure is in the aspect of the heat conversion link and the flue gas waste heat utilization of pot body 3 and furnace body 4, very big reduction thermal scattering and disappearing, improve heat utilization efficiency.
Example 2:
on the basis of the above embodiment 1, in embodiment 2, referring to fig. 2 and fig. 3, the heat exchange flue structure 7 includes a first heat storage pipe 71, a second heat storage pipe 72, a first heat exchange assembly 73, a second heat exchange assembly 74, and a third heat exchange assembly 75, the first heat storage pipe 71 and the second heat storage pipe 72 are located below the pot body 3 and are arranged in parallel with the pot body 3, the first heat storage pipe 71, the second heat storage pipe 72, and the pot body 3 are distributed in a triangular shape, the plurality of first heat exchange assemblies 73 communicate the first heat storage pipe 71 with the pot body 3, the second heat exchange assembly 74 communicates the first heat storage pipe 71 and the second heat storage pipe 72, and the third heat exchange assembly 75 communicates the second heat storage pipe 72 with the pot body 3.
Preferably, the first heat exchange assembly 73 is composed of a plurality of tube rows 731 which are parallel to each other, and the adjacent tube rows 731 are provided with flame paths for flame circulation.
The first heat storage pipe 71, the second heat storage pipe 72 and the pot body 3 are arranged in parallel and distributed in a triangular shape, the first heat exchange assembly 73, the second heat exchange assembly 74 and the third heat exchange assembly 75 enable the first heat storage pipe 71, the second heat storage pipe 72 and the pot body 3 to be communicated with each other, the first heat exchange assembly 73 is composed of a plurality of parallel pipe rows 731, adjacent pipe rows 731 are provided with flame paths for flame circulation, and a multi-return flame path structure is formed, heat provided by the burner 1 enters the first heat exchange assembly 73, the second heat exchange assembly 74 and the third heat exchange assembly 75 and then is blocked by a rear wall of the furnace body 4, the baffled heat enters the first heat exchange assembly 73 composed of the plurality of pipe rows 731 through a flame inlet, then enters the flame path 8 through the flame paths between the pipe rows 731, the heat exchange flame path structure 7 can form a multi-return flame path structure, contact time and area of the heat and each heat exchange assembly are improved, the heat conversion efficiency is improved, the heat exchange flame path structure 7 can also convert and store the absorbed heat, and the stored heat can also play a role in heat preservation of the furnace body 4, so that the heat utilization rate is further improved.
The first heat exchange assembly 73 is composed of a plurality of parallel tube rows 731, the adjacent tube rows 731 are provided with flame paths for flame circulation, so that the flame circulation is facilitated, meanwhile, the contact surfaces of water and flame inside the parallel tube rows 731 can be increased, and the heat receiving efficiency is improved.
Example 3:
in addition to the above-described embodiments, embodiment 3 shows an embodiment in which a communicating pipe 11 is provided between the first heat storage pipe 71 and the second heat storage pipe 72, and the communicating pipe 11 is provided with a plurality of furnace wall cooling pipes 12 communicating with the pot body 3.
The furnace wall cooling pipe 12 is tightly attached to the rear wall of the furnace body 4 and communicated with the heat exchange flame path structure 7, so that the flame entering the heat exchange flame path structure 7 in a first return stroke can be reduced, the rear wall of the furnace body 4 is damaged, and the flame in the first return stroke is converted and utilized.
Example 5:
on the basis of the above embodiment, embodiment 5 shows an embodiment, the water tank air duct structure 13 includes a heat exchanger 131, a heat preservation smoke pipe 132 and a plurality of fire pipes 8, the fire pipes 8 are installed in the pot body 3 in a penetrating manner, and the heat exchanger 131 is communicated with the outer ends of the fire pipes 8 through the heat preservation smoke pipe 132.
Preferably, the heat exchanger 131 comprises a heat exchange water tank 1311, heat exchange plates 1312 and a baffle 1313, an air inlet end of the heat exchange water tank 1311 is communicated with an outer end of the fire tube 8, the heat exchange plates 1312 are uniformly and penetratingly arranged in the heat exchange water tank 1311, the heat exchange plates 1312 are communicated with the heat exchange water tank 1311, the baffle 1313 are arranged at two ends of the heat exchange plates 1312, and a baffling flue is formed between the heat exchange plates 1312 and the baffle 1313.
The water tank air duct structure 13 is communicated with the heat exchange flame path structure 7, is the last flame return, basically only remains flue gas, most of the residual heat in the flue gas is converted into water in the pot body 3 through the fire tube 8, and a small part of the residual heat in the flue gas can be absorbed by the heat exchanger 131 and transmitted to other media for absorption.
A baffling flue is formed between the heat exchange plates 1312 and the baffle plate 1313 in the heat exchanger 131 to form a multi-return flue, so that the waste heat of the flue gas is greatly utilized.
Example 6:
in addition to the above embodiments, in the embodiment 6, referring to fig. 4, a plurality of annular recesses 81 are formed on the fire tube 8.
The fire tube 8 is provided with a plurality of annular recesses 81, and the plurality of annular recesses 81 can increase the contact time and area of the fire tube 8 with flue gas, thereby improving the heat conversion efficiency.
Example 7:
on the basis of the above embodiment, embodiment 7 shows an embodiment, a water level alarm 17 and a water level gauge 18 are arranged on the pot body 3 and communicated with the pot body, and the low water level end of the water level gauge 18 is horizontally arranged with the highest end of the fire tube 8.
The pot body 3 is provided with a water level alarm 17 and a water level gauge 18 which are communicated with the pot body, the water level gauge 18 is used for controlling the water level in the pot body 3 to overflow the fire tube 8, the device is prevented from being damaged by idle combustion, and meanwhile, the exhaust of residual heat of flue gas can be prevented.
Reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," "a preferred embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally in this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (8)
1. High-efficient energy-saving horizontal fuel gas steam boiler, its characterized in that: comprises a burner (1), a base (2), a pot body (3), a furnace body (4) and a heat preservation furnace shell (6), the furnace body (4) is horizontally arranged on the base (2) in the transverse direction, the heat-insulating furnace shell (6) is horizontally arranged on the base (2), the pot body (3) and the furnace body (4) are both horizontally arranged in the heat preservation furnace shell (6), the pot body (3) is positioned above the furnace body (4), the burner (1) is arranged at the fire hole of the furnace body (4), a multi-return heat exchange flame path structure (7) and an explosion door (15) are arranged in the furnace body (4), the pot body (3) is provided with a water tank air duct structure (13) and a cleaning hole (16), the water inlet end of the heat exchange flame path structure (7) is communicated with the pot body (3), the fire outlet end of the heat exchange fire channel structure (7) is communicated with the fire inlet end of the water tank air channel structure (13) through a baffling cavity (14).
2. The high-efficiency energy-saving horizontal fuel-oil-gas steam boiler according to claim 1, wherein: the heat exchange flame path structure (7) comprises a first heat storage pipe (71), a second heat storage pipe (72), a first heat exchange assembly (73), a second heat exchange assembly (74) and a third heat exchange assembly (75), wherein the first heat storage pipe (71) and the second heat storage pipe (72) are positioned below the pot body (3) and are arranged in parallel with the pot body (3), the first heat storage pipe (71), the second heat storage pipe (72) and the pot body (3) are distributed in a triangular mode, the first heat exchange assembly (73) is communicated with the first heat storage pipe (71) and the pot body (3), the second heat exchange assembly (74) is communicated with the first heat storage pipe (71) and the second heat storage pipe (72), and the third heat exchange assembly (75) is communicated with the second heat storage pipe (72) and the pot body (3).
3. The high-efficiency energy-saving horizontal fuel-oil-gas steam boiler according to claim 2, wherein: the first heat exchange assembly (73) is composed of a plurality of mutually parallel tube rows (731), and the adjacent tube rows (731) are provided with flame paths for flame circulation.
4. The high-efficiency energy-saving horizontal fuel-oil-gas steam boiler according to claim 2, wherein: a communicating pipe (11) is arranged between the first heat storage pipe (71) and the second heat storage pipe (72), and a plurality of furnace wall cooling pipes (12) communicated with the pot body (3) are arranged on the communicating pipe (11).
5. The high-efficiency energy-saving horizontal fuel-oil-gas steam boiler according to claim 1, wherein: the water tank air duct structure (13) comprises a heat exchanger (131), a heat-preservation smoke tube (132) and a plurality of fire tubes (8), the fire tubes (8) are arranged in the pot body (3) in a penetrating mode, and the heat exchanger (131) is communicated with the outer ends of the fire tubes (8) through the heat-preservation smoke tube (132).
6. The high-efficiency energy-saving horizontal fuel-oil-gas steam boiler according to claim 5, wherein: the heat exchanger (131) comprises a heat exchange water tank (1311), heat exchange plates (1312) and baffle plates (1313), the air inlet end of the heat exchange water tank (1311) is communicated with the outer end of the fire tube (8), the heat exchange plates (1312) are uniformly arranged in the heat exchange water tank (1311) in a penetrating mode, the heat exchange plates (1312) are communicated with the heat exchange water tank (1311), the baffle plates (1313) are arranged at two ends of the heat exchange plates (1312), and a baffling flue is formed between the heat exchange plates (1312) and the baffle plates (1313).
7. The high-efficiency energy-saving horizontal fuel-oil-gas steam boiler according to claim 5, wherein: a plurality of annular recesses (81) are provided on the fire tube (8).
8. The high-efficiency energy-saving horizontal fuel-oil-gas steam boiler according to claim 5, wherein: a water level alarm (17) and a water level gauge (18) which are communicated with the pot body (3) are arranged on the pot body (3), and the low water level end of the water level gauge (18) is horizontally arranged with the highest end of the fire tube (8).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023158255.0U CN214147835U (en) | 2020-12-24 | 2020-12-24 | High-efficiency energy-saving horizontal oil-gas steam boiler |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023158255.0U CN214147835U (en) | 2020-12-24 | 2020-12-24 | High-efficiency energy-saving horizontal oil-gas steam boiler |
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| CN214147835U true CN214147835U (en) | 2021-09-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116412536A (en) * | 2023-06-09 | 2023-07-11 | 张家港德海锅炉有限公司 | Horizontal waste heat recovery boiler |
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2020
- 2020-12-24 CN CN202023158255.0U patent/CN214147835U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116412536A (en) * | 2023-06-09 | 2023-07-11 | 张家港德海锅炉有限公司 | Horizontal waste heat recovery boiler |
| CN116412536B (en) * | 2023-06-09 | 2023-08-15 | 张家港德海锅炉有限公司 | Horizontal waste heat recovery boiler |
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