CN214536096U

CN214536096U - Steam generator

Info

Publication number: CN214536096U
Application number: CN202120501735.8U
Authority: CN
Inventors: 蔡军
Original assignee: Linyi Taihe Environmental Protection And Energy Saving Technology Co ltd
Current assignee: Linyi Taihe Environmental Protection And Energy Saving Technology Co ltd
Priority date: 2021-03-09
Filing date: 2021-03-09
Publication date: 2021-10-29
Anticipated expiration: 2031-03-09

Abstract

The utility model belongs to steam generation equipment field, concretely relates to steam generator. The steam generator comprises a generator main body, a first preheater and a second preheater; the flue outlet positioned at the upper part of the generator main body is communicated with the flue inlet at the upper part of the first preheater; the flue outlet at the lower part of the first preheater is communicated with the flue inlet at the lower part of the second preheater; a smoke outlet is arranged at the upper part of the smoke outlet at the upper part of the second preheater; the outlet of the water delivery pipe positioned at the upper part of the second preheater is communicated with the inlet of the water delivery pipe positioned at the lower part of the first preheater; the water delivery pipe outlet positioned at the upper part of the first preheater is communicated with the water delivery pipe inlet at the lower part of the generator main body; the upper part of the generator main body is provided with a steam exhaust pipe. This steam generator has realized the thermal reuse of flue gas, preheats water, has improved steam production rate, reduces the energy consumption.

Description

Steam generator

Technical Field

The utility model belongs to steam generation equipment field, concretely relates to steam generator.

Background

The steam generator is widely applied in life, such as washing and ironing industry, medical disinfection and sterilization industry and the like. For example, CN201921556643.9 provides a steam generator with high tuyere mixing degree, which realizes steam generation, but basically makes the inlet water become steam by generating heat inside the steam generator as in the current steam generator, but the exhausted flue gas also has high heat, which is wasted, resulting in energy waste and increased energy consumption.

Disclosure of Invention

In view of the above-mentioned deficiency of the prior art, the present invention provides a steam generator. This steam generator is provided with first preheating chamber and second preheating chamber, has realized the thermal recycle of flue gas, preheats water, has improved steam production rate, reduces the energy consumption.

In order to realize the functions, the novel steam generator comprises a generator main body, a first preheater and a second preheater;

a fire inlet is formed in the side wall of the generator main body, and a flue outlet positioned at the upper part of the generator main body is communicated with a flue inlet at the upper part of the first preheater through a first smoke conveying pipe; a flue outlet at the lower part of the first preheater is communicated with a flue inlet at the lower part of the second preheater through a second smoke conveying pipe; a smoke outlet is arranged at the upper part of the smoke outlet at the upper part of the second preheater;

the bottom of the second preheater is provided with a water pipe inlet, and a water pipe outlet positioned at the upper part of the second preheater is communicated with a water pipe inlet at the lower part of the first preheater through a first water pipe; the water delivery pipe outlet positioned at the upper part of the first preheater is communicated with the water delivery pipe inlet at the lower part of the generator main body through a second water delivery pipe; the upper part of the generator main body is provided with a steam exhaust pipe.

This novel further improvement, the inside raceway of generator main part, first pre-heater, second pre-heater is the coil pipe. By adopting the technical scheme, the contact area of the water delivery pipe and the flue gas is increased, and the heat exchange efficiency is improved. A sandwich design can be used for the inside of the generator body, with the flame (hot flue gas) inside and the water outside.

This novel further improvement has the accent burner on the generator main part lateral wall, and the combustor goes out the burner and is connected with the generator main part through advancing the burner. The fire adjusting port mainly adjusts air inlet amount, so that the condition of a burner inside the fire adjusting port is controlled. Each device is provided with a burner connector (fire inlet), and a fuel oil or gas pipeline can be connected by dismounting a burner connector blocking screw and mounting the burner.

This novel further improvement, generator main part, first pre-heater bottom have the drain and with drain assorted valve, the inside raceway of generator main part, first pre-heater respectively with correspond the drain intercommunication. By adopting the technical scheme, the impurities in the residual water inside can be cleaned conveniently and regularly.

This novel further improvement, there is manometer and air valve generator body top, and generator body lateral wall has the fluviograph, and the fluviograph communicates with the inside raceway of generator body. The safety of the whole device is ensured by the pressure gauge and the air valve, and the water level gauge ensures that the water level in the generator main body is proper.

This novel further improvement, generator main part inside top-down has first refractory material layer, second refractory material layer, and first refractory material layer, second refractory material layer divide into first room, second room, third room with generator main part top-down, and the second room passes through the flue UNICOM with the third room, and the third room passes through the flue UNICOM with first room, and above-mentioned flue all has many. Adopt this technical scheme, prevent that flame (hot flue gas) from directly scurrying out from upper portion, through this design, flame (hot flue gas) gets into the third room in bottom by the second room, and the first room in reentrant upper portion has increased flame (hot flue gas) and water heat transfer's area of contact, the more energy of utilization.

This novel further improvement, steam vent-pipe and fan UNICOM, second preheater bottom raceway entry and water pump intercommunication. The setting of the fan is convenient for the flow of the flue gas of the whole system, and the inlet of the water delivery pipe is communicated with the water pump to ensure that water enters rapidly.

This novel further improvement, there is the check valve on the second raceway. By adopting the technical scheme, the water backflow is prevented.

This novel further improvement, there is the inspection door second preheater lower part, and the flue intercommunication of inspection door and second preheater lower part. By adopting the technical scheme, the smoke deposition is convenient to clean while the detection is carried out. The bottom of the first preheater and the bottom of the second preheater share one cavity, namely, the flue is directly communicated at the bottom and plays a role in fixing the first preheater and the second preheater, and the cleaning is convenient.

This novel further improvement, generator main part, first pre-heater, second pre-heater are fixed on same bottom plate, have the wheel on the bottom plate. By adopting the technical scheme, the whole device is convenient to move.

In addition, the processor can be electrically connected with a pressure gauge, a water level gauge, a water pump and a burner to realize intellectualization.

This neotype beneficial effect lies in:

(1) the steam generator is provided with a first preheating chamber and a second preheating chamber, hot flue gas sequentially passes through a generator main body, a first preheater and a second preheater, and inlet water sequentially passes through the second preheater, the first preheater and the generator main body through a water conveying pipeline, so that the repeated utilization of heat energy is realized, water is preheated through the first preheater and the second preheater, the steam generation rate is improved, the air outlet time is short, the steam is used quickly and flexibly, and the air quantity is sufficient; the waste heat of the smoke temperature is fully utilized to improve the thermal efficiency of the equipment, and the energy consumption is reduced.

(2) The steam generator and the burner are connected in a combined mode, adaptability to fuel is improved, and transportation and maintenance are facilitated.

(3) The steam generator is simple in structure and easy to prepare, can be discharged into the atmosphere through the dust removal system after the flue gas is subjected to multistage cold shortage, achieves the effects of energy conservation and emission reduction in emission amount, and is suitable for industrial large-scale production.

Drawings

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

Fig. 1 is a schematic diagram of the novel structure (the solid line is the flow direction of flue gas, and the dotted line is the flow direction of water (steam)).

Fig. 2 is a schematic view of the connection structure of the generator main body and the first preheater.

Fig. 3 is a schematic view of the connection structure of the first preheater and the second preheater of the present invention.

Fig. 4 is a schematic diagram of the structure of the flue gas pipeline in the main body of the novel generator.

In the figure, 1, a generator main body, 2, a fire adjusting port, 3, a fire inlet, 4, a bottom plate, 5, a sewage outlet, 6, an inspection door, 7, a steam exhaust pipe, 8, an air valve, 9, a pressure gauge, 10, a first smoke conveying pipe, 11, a second water conveying pipe, 12, a water level gauge, 13, a first preheater, 14, a one-way valve, 15, a second preheater, 16, a first water conveying pipe, 17, a second smoke conveying pipe, 18, a water conveying pipe inlet, 19, a first refractory material layer, 20, a second refractory material layer, 101, a first chamber, 102, a second chamber, 103 and a third chamber.

Detailed Description

In order to make the technical solutions in the present invention better understood, the technical solutions 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, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

Example 1

As shown in fig. 1, the steam generator includes a generator body 1, and further includes a first preheater 13 and a second preheater 15;

a fire inlet 3 is arranged on the side wall of the generator main body, and a flue outlet positioned at the upper part of the generator main body 1 is communicated with a flue inlet at the upper part of a first preheater 13 through a first smoke conveying pipe 10; the flue outlet at the lower part of the first preheater 13 is communicated with the flue inlet at the lower part of the second preheater 15 through a second smoke conveying pipe 17; the upper part of the second preheater 15 is provided with a smoke outlet;

the bottom of the second preheater 15 is provided with a water pipe inlet 18, and a water pipe outlet positioned at the upper part of the second preheater 15 is communicated with a water pipe inlet at the lower part of the first preheater 13 through a first water pipe 16; the outlet of the water delivery pipe positioned at the upper part of the first preheater is communicated with the inlet of the water delivery pipe at the lower part of the generator main body through a second water delivery pipe 11; the upper part of the generator main body is provided with a steam exhaust pipe.

Example 2

On the basis of the embodiment 1, as shown in fig. 2 to 3, the water conveying pipes inside the generator main body 1, the first preheater 13 and the second preheater 15 are all coil pipes.

The side wall of the generator body is provided with a fire adjusting port 2, and a fire outlet of the burner is connected with the generator body through a fire inlet 3.

The bottom of the generator main body and the bottom of the first preheater are provided with a drain outlet 5 and a valve matched with the drain outlet, and the water conveying pipes in the generator main body and the first preheater are respectively communicated with the corresponding drain outlets 5.

The top of the generator body is provided with a pressure gauge 9 and an air valve 8, the side wall of the generator body is provided with a water level gauge 12, and the water level gauge is communicated with a water conveying pipe inside the generator body.

The generator main body is internally provided with a first refractory material layer 19 and a second refractory material layer 20 from top to bottom, the first refractory material layer and the second refractory material layer divide the generator main body into a first chamber 101, a second chamber 102 and a third chamber 103 from top to bottom, the second chamber is communicated with the third chamber through a flue, and the third chamber is communicated with the first chamber through the flue, as shown in figure 4.

The steam exhaust pipe is communicated with the fan, and the water conveying pipe inlet 18 at the bottom of the second preheater is communicated with the water pump.

The second water pipe is provided with a one-way valve 14.

The lower part of the second preheater is provided with an inspection door 6 which is communicated with a flue at the lower part of the second preheater.

The generator body, the first preheater and the second preheater are fixed on the same bottom plate 4, and wheels are arranged on the bottom plate.

When specifically using, open the combustor, adjust 2 apertures of fire adjusting mouth, hot flue gas passes through generator main part 1, first preheater 13, second preheater 15 in proper order, discharges through exhaust port, dust remover, and it is driven by the water pump to intake and passes through second preheater 15, first preheater 13, the inside coil pipe of generator main part 1 in proper order through the conduit, and the steam that produces is discharged through steam vent-pipe 7.

Although the present invention has been described in detail by referring to the drawings in conjunction with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and substance of the present invention, and these modifications or substitutions are intended to be within the scope of the present invention/any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A steam generator comprising a generator body (1), characterized in that: the steam generator further comprises a first preheater (13) and a second preheater (15);

a fire inlet (3) is arranged on the side wall of the generator main body, and a flue outlet positioned at the upper part of the generator main body (1) is communicated with a flue inlet at the upper part of a first preheater (13) through a first smoke conveying pipe (10); a flue outlet at the lower part of the first preheater (13) is communicated with a flue inlet at the lower part of the second preheater (15) through a second smoke conveying pipe (17); the upper part of the second preheater (15) is provided with a smoke outlet;

a water pipe inlet (18) is formed in the bottom of the second preheater (15), and a water pipe outlet positioned at the upper part of the second preheater (15) is communicated with a water pipe inlet at the lower part of the first preheater (13) through a first water pipe (16); the water delivery pipe outlet positioned at the upper part of the first preheater is communicated with the water delivery pipe inlet at the lower part of the generator main body through a second water delivery pipe (11); the upper part of the generator main body is provided with a steam exhaust pipe.

2. The steam generator of claim 1, wherein: the water conveying pipes in the generator main body (1), the first preheater (13) and the second preheater (15) are all coil pipes.

3. The steam generator of claim 1, wherein: the side wall of the generator main body is provided with a fire adjusting port (2), and a fire outlet of the burner is connected with the generator main body through a fire inlet (3).

4. The steam generator of claim 1, wherein: the bottom of the generator main body and the bottom of the first preheater are provided with a drain outlet (5) and a valve matched with the drain outlet, and the water conveying pipes in the generator main body and the first preheater are respectively communicated with the corresponding drain outlets (5).

5. The steam generator of claim 1, wherein: the top of the generator main body is provided with a pressure gauge (9) and an air valve (8), the side wall of the generator main body is provided with a water level gauge (12), and the water level gauge is communicated with a water pipe in the generator main body.

6. The steam generator of claim 1, wherein: a first refractory material layer (19) and a second refractory material layer (20) are arranged in the generator main body from top to bottom, the first refractory material layer and the second refractory material layer divide the generator main body into a first chamber (101), a second chamber (102) and a third chamber (103) from top to bottom, the second chamber is communicated with the third chamber through a flue, and the third chamber is communicated with the first chamber through the flue.

7. The steam generator of claim 1, wherein: the steam exhaust pipe is communicated with the fan, and a water pipe inlet (18) at the bottom of the second preheater is communicated with the water pump.

8. The steam generator of claim 1, wherein: the second water delivery pipe (11) is provided with a one-way valve (14).

9. The steam generator of claim 1, wherein: and an inspection door (6) is arranged at the lower part of the second preheater and is communicated with a flue at the lower part of the second preheater.

10. The steam generator of claim 1, wherein: the generator main body, the first preheater and the second preheater are fixed on the same bottom plate (4), and wheels are arranged on the bottom plate.