CN212987646U

CN212987646U - Cast iron module boiler

Info

Publication number: CN212987646U
Application number: CN202021707657.9U
Authority: CN
Inventors: 吴继林; 朱奕勋; 王镜荃
Original assignee: Inner Mongolia Shuangling Boiler Manufacturing Co ltd
Current assignee: Inner Mongolia Shuangling Boiler Manufacturing Co ltd
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2021-04-16
Anticipated expiration: 2030-08-17

Abstract

The utility model discloses a cast iron module boiler, which comprises a shell, a boiler body and a plurality of heat exchange tubes, wherein the boiler body is arranged in the shell, and a heat insulation plate is arranged between the outer side wall of the pot body and the inner wall of the shell, a combustion chamber is arranged below the pot body, a burner is arranged in the combustion chamber, the burner is connected with an air supply pipe, the upper end of the pot body is provided with an opening, a top cover is welded at the upper port, a threaded through hole is formed in the top cover, an installation disc is installed in the threaded through hole in a threaded mode, two pipe connecting through holes are formed in the installation disc, connecting blocks are arranged at the lower ends of the two pipe connecting through holes respectively, a plurality of cylindrical through holes through which heat supply exchange pipes penetrate are formed in the connecting blocks, the heat exchange pipes are of U-shaped structures, two ends of each heat exchange pipe are connected with the cylindrical through holes in the two connecting blocks respectively, and the upper ends of the two pipe connecting through holes are connected with a water inlet pipe and; the utility model has the advantages of convenient replacement of heat exchange tubes, and convenient use and maintenance.

Description

Cast iron module boiler

Technical Field

The utility model relates to a gas boiler field specifically is a cast iron module boiler.

Background

The modular concept of the cast iron modular boiler is equivalent to splitting a single large boiler into a plurality of small boilers, so that the cast iron modular boiler can achieve the scale of any single boiler with steaming tons through simple parallel combination in quantity, the modular boiler can replace various heating and hot water boilers below 10 steaming tons at present, and the modular design of the boiler determines the following characteristics: 1. each boiler is mutually standby, the equipment and investment utilization rate and the operation safety are greatly improved, once a certain boiler breaks down accidentally, the heating influence is very small and is only 1/N (N is the number of the boilers); 2. the capacity expansion performance is good. Along with the continuous change (increase and decrease) of heating and domestic heat load of a community, the number of the boilers can be increased or decreased at any time, the requirement of heating can be met with smaller investment, and the capacity of a single large boiler is not difficult to adjust; 3. the requirements of the boiler room infrastructure are not high, and the infrastructure investment can be greatly reduced. The small module boiler can enter the boiler room through a common door, and a user can arrange the boiler according to the specific situation of the boiler room. The boiler has no special requirements on the boiler room, does not need to invest huge funds to deeply dig foundations, and builds a brick-concrete structure boiler room with high-grade shockproof capability; 4. the service life of the cast iron can reach 50 years, and is prolonged by 2-3 times compared with steel materials, so that the cast iron module boiler has the advantages of long service life, simplicity in maintenance and durability; 5. the mixed gas of air and fuel gas of the single large boiler is sent into a hearth through a blower, and the blower can generate great noise, cause sound pollution and worsen the working environment of staff. The combustion mode of the cast iron module boiler is atmospheric combustion, and a blower is not needed, so that the noise is low, and only slight 'calling' sound can be heard during combustion, but no other sound exists.

Because the cast iron module boiler has the advantages, the state strongly supports the development of the cast iron module boiler, but in the using process of the cast iron module boiler, scale inevitably appears in the pipe of the heat exchange pipe, when more scale is attached to the inner wall of the pipe of the heat exchange pipe, the heat exchange efficiency is seriously reduced, so that the service efficiency of the cast iron module boiler is reduced, at this time, the heat exchange pipe needs to be replaced in time, and the heat exchange pipe of the existing cast iron module boiler is fixedly welded on a boiler body and is very difficult to replace.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cast iron module boiler aims at improving the inconvenient problem of the hot exchange pipe change of current cast iron module boiler.

The utility model discloses a realize like this: a cast iron modular boiler comprises a shell, a boiler body and a plurality of heat exchange tubes, wherein the boiler body is arranged in the shell, a heat insulation plate is arranged between the outer side wall of the boiler body and the inner wall of the shell, a combustion chamber is arranged below the boiler body, a burner is arranged in the combustion chamber and connected with an air supply pipe, an exhaust port is connected to the chamber wall of the combustion chamber and connected with an exhaust pipe, heat conduction oil is arranged in the boiler body, a top cover is arranged at the upper end opening of the boiler body in a welding mode, a threaded through hole is formed in the top cover, a mounting disc is installed in the threaded through hole in a threaded mode, two pipe connecting through holes are formed in the mounting disc, connecting blocks are arranged at the lower ends of the two pipe connecting through holes respectively, a plurality of cylindrical through holes through which the heat supply exchange tubes penetrate are formed in each connecting block, and the number of the cylindrical through holes in, the heat exchange pipe is of a U-shaped structure, two ends of the heat exchange pipe are respectively connected with the cylindrical through holes in the two connecting blocks, the heat exchange pipe is inserted into the heat conduction oil, and the upper ends of the two pipe connecting through holes are respectively connected with a water inlet pipe and a water outlet pipe.

Further, the lower extreme of the pot body is the hemispherical structure, the combustor includes plate of distributor and gas distribution pipe, the plate of distributor is hollow disc structure, the plate of distributor links to each other with the air supply pipe, the plate of distributor level sets up, be provided with three gas distribution pipes on the up end of plate of distributor, each gas distribution pipe in every gas distribution pipe evenly sets up along the circumferencial direction of plate of distributor, and the height that a set of gas distribution pipe in the outside is greater than the height of a set of gas distribution pipe in the middle of, and the height that a set of gas distribution pipe in the middle of is greater than the height of a set of gas distribution pipe in the most.

Furthermore, the bottom of combustion chamber is provided with the baffle, be provided with the screw through-hole on the baffle, and install the lead screw in this screw through-hole, the lead screw is vertical to be set up and to be located the plate of distributor under, the upper end of lead screw is connected with the supporting shoe, and the lower extreme is connected with twists the driving disk, the supporting shoe is located the top of baffle, and supports on the lower terminal surface of plate of distributor, it is located the below of baffle to twist the driving disk.

Furthermore, a plurality of air holes are formed in the partition plate, a plurality of air holes are also formed in the wall, below the partition plate, of the shell, and an adjusting through hole is further formed in the wall, below the partition plate, of the shell and can be used for a hand and an arm of a person to pass through.

Further, the upper end of mounting disc is located the top of pot body roof, and is provided with a plurality of dwangs on the upper end lateral wall of mounting disc, and is a plurality of the dwang evenly set up along the circumferencial direction of mounting disc.

Furthermore, the air supply pipe is provided with a valve, and the valve is positioned on the outer side of the shell.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model has the advantages of convenient replacement of heat exchange tubes, and convenient use and maintenance.

2. The lower extreme of the pot body is hemispherical structure, the combustor includes plate of distributor and gas distribution pipe, the plate of distributor is hollow disc structure, the plate of distributor links to each other with the air supply pipe, the plate of distributor level sets up, be provided with three component trachea on the up end of plate of distributor, each gas distribution pipe in every component trachea evenly sets up along the circumferencial direction of plate of distributor, and the tracheal height of a set of gas distribution in the middle of highly being greater than of a set of gas distribution in the outside, the tracheal height of a set of gas distribution in the middle of highly being greater than, through above-mentioned technical scheme, firstly, the gas heating area of the pot body has been improved, secondly, make the gas more even to the heating of pot body bottom, improved the utility model discloses a.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural diagram of a cast iron modular boiler according to the present invention;

FIG. 2 is a schematic perspective view of a burner of a cast iron modular boiler according to the present invention;

FIG. 3 is a schematic view of the connection structure between the mounting plate, the connecting block and the rotating rod of the cast iron modular boiler according to the present invention;

fig. 4 is a top view of the utility model of a cast iron modular boiler, which is connected with a mounting plate, a connecting block and a rotating rod.

In the figure: 1. a housing; 101. adjusting the through hole; 2. a pan body; 3. a thermal insulation board; 4. a burner; 401. a distribution tray; 402. a gas distributing pipe; 5. a gas supply pipe; 6. a smoke outlet; 7. A top cover; 8. mounting a disc; 801. a tube connecting through hole; 9. connecting blocks; 10. a heat exchange tube; 11. a water inlet pipe; 12. a water outlet pipe; 13. a partition plate; 14. a screw rod; 15. a support block; 16. screwing the disc; 17. rotating the rod; 18. and (4) a valve.

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. 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, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1, 3 and 4, in an embodiment of the present invention, a cast iron modular boiler includes a housing 1, a boiler body 2 and a plurality of heat exchange tubes 10, the heat exchange tubes 10 are made of stainless steel material, the boiler body 2 is disposed in the housing 1, and a heat insulation plate 3 is arranged between the outer side wall of the pot body 2 and the inner wall of the shell 1, the heat insulation plate 3 can reduce the heat loss in the pot body 2 and has the functions of heat insulation and energy conservation, a combustion chamber is arranged below the pot body 2, a burner 4 is arranged in the combustion chamber, the burner 4 is connected with an air supply pipe 5, an electronic igniter is also arranged in the combustion chamber, the gas supply pipe 5 supplies gas to the combustor 4, the gas is discharged from a gas outlet of the combustor 4 and then ignited by the electronic igniter, the pot body 2 is heated, the wall of the combustion chamber is connected with a smoke outlet 6, the smoke outlet 6 is connected with a smoke exhaust pipe, and waste gas generated by combustion is exhausted from the smoke exhaust pipe.

Be provided with the conduction oil in the pot body 2, the upper end opening setting of the pot body 2, and the welding of upper port department is provided with top cap 7, be provided with threaded through hole on the top cap 7, and threaded mounting has mounting disc 8 in this threaded through hole, be provided with two union coupling through holes 801 on the mounting disc 8, two union coupling through holes 801's lower extreme respectively is provided with connecting block 9, be provided with the cylindrical through hole that a plurality of heat supply exchange pipe 10 passed on the connecting block 9, the quantity of the cylindrical through hole on a connecting block 9 is the same with the quantity of hot exchange pipe 10, hot exchange pipe 10 is the U-shaped structure, the both ends of hot exchange pipe 10 link to each other with the cylindrical through hole on two connecting blocks 9 respectively, hot exchange pipe 10 inserts to the conduction oil, the. The upper end of mounting disc 8 is located the top of the 2 roof of the pot body, and is provided with a plurality of dwang 17 on the upper end lateral wall of mounting disc 8, and a plurality of dwang 17 evenly set up along the circumferencial direction of mounting disc 8.

The utility model discloses a theory of operation: cold water enters the heat exchange tubes 10 from the water inlet tube 11, and when flowing in the heat exchange tubes, the cold water exchanges heat with heat conduction oil in the pot body 2 through the heat exchange tubes 10, is heated by the heat conduction oil, is discharged from the water outlet tube 12 and is conveyed to a water using place. When more scale is attached to the inner wall of the heat exchange tube 10, the water inlet tube 11 and the water outlet tube 12 are removed, the mounting disc 8 is rotated by the rotating rod 17, the mounting disc 8 and the heat exchange tube 10 are taken out together, then a new mounting disc 8 and the heat exchange tube 10 are slid on, and the old heat exchange tube 10 can be cleaned by introducing acid liquor into the mounting disc 8 and the heat exchange tube 10. Therefore, compared with the existing cast iron module boiler, the utility model has the advantages of convenient replacement of the heat exchange pipe 10 and convenient use and maintenance.

Please refer to fig. 1 and 2, in the embodiment of the present invention, the lower end of the pot body 2 is a hemispherical structure, the burner 4 includes a distribution plate 401 and a gas distribution pipe 402, the distribution plate 401 is a hollow disc structure, the distribution plate 401 is connected to the gas supply pipe 5, the distribution plate 401 is horizontally disposed, the upper end surface of the distribution plate 401 is provided with three gas distribution pipes 402, each gas distribution pipe 402 in each gas distribution pipe 402 is uniformly disposed along the circumferential direction of the distribution plate 401, and the height of the outermost gas distribution pipe 402 is greater than the height of the middle gas distribution pipe 402, the height of the middle gas distribution pipe 402 is greater than the height of the innermost gas distribution pipe 402, through the above technical scheme, the gas heating area of the pot body 2 is increased, and the heating of the bottom of the pot body 2 is more uniform, thereby improving the heating efficiency of the present invention.

Referring to fig. 1, in the embodiment of the present invention, a partition plate 13 is disposed at the bottom end of the combustion chamber, a thread through hole is disposed on the partition plate 13, a screw 14 is installed in the thread through hole, the screw 14 is vertically disposed and located under the distribution plate 401, a supporting block 15 is connected to the upper end of the screw 14, a screwing plate 16 is connected to the lower end of the screw, the supporting block 15 is located above the partition plate 13 and supported on the lower end surface of the distribution plate 401, and the screwing plate 16 is located under the partition plate 13. The partition plate 13 is provided with a plurality of air holes, the shell wall of the shell 1 below the partition plate 13 is also provided with an adjusting through hole 101, and the adjusting through hole 101 can be penetrated by hands and arms of people. The screw rod 14, the supporting block 15 and the screwing disc 16 can be used for supporting the combustor 4, so that the combustor 4 is stably arranged, and external air enters a combustion chamber through air holes in the shell 1 and air holes in the partition plate 13 when the combustor 4 burns.

Referring to fig. 1, in the embodiment of the present invention, a valve 18 is disposed on the air supply pipe 5, the valve 18 is located at the outer side of the casing 1, the valve 18 is disposed so that a plurality of cast iron modular boilers can be combined for use, the air supply pipes 5 of the combined cast iron modular boilers are connected in parallel, and when the combined cast iron modular boilers are used, the valve 18 on the air supply pipe 5 is closed.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A cast iron module boiler is characterized by comprising a shell (1), a boiler body (2) and a plurality of heat exchange pipes (10), wherein the boiler body (2) is arranged in the shell (1), a heat insulation plate (3) is arranged between the outer side wall of the boiler body (2) and the inner wall of the shell (1), a combustion chamber is arranged below the boiler body (2), a burner (4) is arranged in the combustion chamber, the burner (4) is connected with an air supply pipe (5), a smoke exhaust port (6) is connected to the chamber wall of the combustion chamber, the smoke exhaust port (6) is connected with a smoke exhaust pipe, heat conduction oil is arranged in the boiler body (2), an upper end opening of the boiler body (2) is arranged, a top cover (7) is welded at the upper end opening, a thread through hole is formed in the top cover (7), a mounting disc (8) is installed in the thread through hole, two pipe connecting through holes (801) are formed in the mounting disc (, two the lower extreme of pipe connection through-hole (801) respectively be provided with connecting block (9), be provided with the cylindrical through-hole that a plurality of heat supply exchange tube (10) passed on connecting block (9), one connecting block (9) on the quantity of cylindrical through-hole the same with the quantity of heat exchange tube (10), heat exchange tube (10) are the U-shaped structure, the both ends of heat exchange tube (10) link to each other with the cylindrical through-hole on two connecting blocks (9) respectively, heat exchange tube (10) insert to the conduction oil in, two the upper end of pipe connection through-hole (801) be connected with inlet tube (11) and outlet pipe (12) respectively.

2. A cast iron modular boiler as claimed in claim 1, characterized in that the lower end of the boiler body (2) is of a hemispherical structure, the burner (4) comprises a distribution plate (401) and gas distribution pipes (402), the distribution plate (401) is of a hollow disc structure, the distribution plate (401) is connected with the gas supply pipe (5), the distribution plate (401) is horizontally arranged, three gas distribution pipes (402) are arranged on the upper end surface of the distribution plate (401), each gas distribution pipe (402) in each gas distribution pipe (402) is uniformly arranged along the circumferential direction of the distribution plate (401), the height of the outermost gas distribution pipe (402) is greater than that of the middle gas distribution pipe (402), and the height of the middle gas distribution pipe (402) is greater than that of the innermost gas distribution pipe (402).

3. A cast iron module boiler according to claim 2, characterized in that the bottom end of the combustion chamber is provided with a partition plate (13), the partition plate (13) is provided with a threaded through hole, a screw rod (14) is installed in the threaded through hole, the screw rod (14) is vertically arranged and is positioned under the distribution plate (401), the upper end of the screw rod (14) is connected with a supporting block (15), the lower end is connected with a screwing plate (16), the supporting block (15) is positioned above the partition plate (13) and is supported on the lower end surface of the distribution plate (401), and the screwing plate (16) is positioned under the partition plate (13).

4. A cast iron modular boiler as claimed in claim 3, characterized in that a plurality of ventilation holes are provided on the partition plate (13), a plurality of ventilation holes are also provided on the wall of the housing (1) below the partition plate (13), and an adjusting through hole (101) is further provided on the wall of the housing (1) below the partition plate (13), the adjusting through hole (101) being adapted to allow a person's hand and arm to pass through.

5. A cast iron module boiler according to any one of claims 1-4, characterized in that the upper end of the mounting plate (8) is located above the top wall of the boiler body (2), and the side wall of the upper end of the mounting plate (8) is provided with a plurality of rotating rods (17), and the plurality of rotating rods (17) are uniformly arranged along the circumferential direction of the mounting plate (8).

6. A cast iron modular boiler according to any one of claims 1-4, characterized in that the gas supply pipe (5) is provided with a valve (18), which valve (18) is located outside the housing (1).