CN211650754U

CN211650754U - Gas blast big boiler

Info

Publication number: CN211650754U
Application number: CN202020158350.1U
Authority: CN
Inventors: 陶玉宏; 缪琴凤; 陶文慧
Original assignee: Zhejiang Longyou Zhencui Food Co ltd
Current assignee: Zhejiang Longyou Zhencui Food Co ltd
Priority date: 2020-02-10
Filing date: 2020-02-10
Publication date: 2020-10-09
Anticipated expiration: 2030-02-10

Abstract

The utility model discloses a big boiler of gas blast air, including supporting leg frame, be fixed with the boiler seal jar body on the supporting leg frame the interior lower part of the boiler seal jar body is provided with the stove hydroecium, be provided with the combustion chamber in the stove hydroecium, be fixed with the gas combustion ware on the lateral wall of the boiler seal jar body, the end of spouting of gas combustion ware extends to in the combustion chamber, in the combustion chamber with the below of the end junction of spouting of gas combustion ware is provided with first preceding smoke box, in the combustion chamber with the top of the end junction of spouting of gas combustion ware is provided with smoke box before the second. The novel gas blast large boiler has the beneficial effects that the full utilization of energy is ensured, the high-efficiency and high-quality operation of combustion is ensured, and the steam generated by the gas blast large boiler can be efficiently utilized.

Description

Gas blast big boiler

Technical Field

The utility model relates to a big boiler field, in particular to big boiler of gas blast air.

Background

The large gas blast boiler is one of main power sources of enterprises and plays a vital role in the production and safety of the enterprises.

However, the existing gas blast large boiler has the problems that energy cannot be fully utilized, high-efficiency and high-quality operation of combustion cannot be guaranteed, and water vapor generated by the gas blast large boiler cannot be efficiently utilized.

Therefore, it is necessary to design a large gas blast boiler which can ensure the full utilization of energy, ensure the high-efficiency and high-quality operation of combustion and realize the high-efficiency utilization of the water vapor generated by the large gas blast boiler.

SUMMERY OF THE UTILITY MODEL

The utility model provides a big boiler of gas blast air can solve prior art, and the energy can not make full use of, can not guarantee the high-efficient high-quality operation of burning, can not the efficient utilize the problem of the vapor that this big boiler of gas blast air produced.

The utility model provides a gas blast air large boiler, which comprises a supporting leg frame, wherein a boiler sealing tank body is fixed on the supporting leg frame, a boiler water chamber is arranged at the inner lower part of the boiler sealing tank body, a combustion chamber is arranged in the boiler water chamber, a gas burner is fixed on the side wall of the boiler sealing tank body, the flame projecting end of the gas burner extends into the combustion chamber, a first front smoke box is arranged in the combustion chamber below the junction of the flame projecting end of the gas burner, a second front smoke box is arranged in the combustion chamber above the junction of the flame projecting end of the gas burner, the first front smoke box is communicated with the combustion chamber and the second front smoke box is communicated with the combustion chamber through conveying pipes, a rear smoke box is fixed in the boiler sealing tank body, the second front smoke box is communicated with the rear smoke box through conveying pipes, the upper portion of the boiler sealed tank body is provided with a negative pressure steam chamber, the negative pressure steam chamber is internally fixed with a first condensation heat exchanger and a second condensation heat exchanger, the front end of the first condensation heat exchanger and the front end of the second condensation heat exchanger extend to the outer front head that is fixed with respectively of the lateral wall of the boiler sealed tank body, be connected with water outlet pipe joint, wet return joint on the front head, the rear end of the first condensation heat exchanger with the rear end of the second condensation heat exchanger extends to the outer rear head that is fixed with respectively of the lateral wall of the boiler sealed tank body.

Preferably, one end of the combustion chamber extends out of the side wall of the sealed boiler tank body and is connected with the flame spraying end of the gas burner.

Preferably, the upper end of the rear smoke box extends out of the top surface of the sealed boiler body and is fixed with a smoke exhaust pipe joint.

Preferably, the combustion chamber is connected with a flame observation tube, a water level observation tube for observing a water level line in the boiler water chamber is fixed on the side wall of the boiler sealed tank body, and observation lenses are arranged in the flame observation tube and the water level observation tube.

Preferably, a sewage pipe joint is connected to the side wall of the lower part of the first front smoke box, and the other end of the sewage pipe joint extends out of the side wall of the boiler sealing tank body and is provided with a switch valve.

Preferably, the top surface of the boiler sealing tank body is connected with a pressure relief interface and a pressure gauge, and the pressure relief interface is used for being connected with a pressure relief device.

The utility model has the advantages that:

1. according to the large gas blast boiler, the combustion chamber is arranged in the boiler water chamber, the gas burner is fixed on the side wall of the sealed boiler tank body, and the fire spraying end of the gas burner extends into the combustion chamber, so that energy generated by combustion of the gas burner is directly applied to water in the boiler water chamber through the outer wall of the combustion chamber, and the full utilization of the energy is ensured; and between first preceding smoke box and the combustion chamber and between second preceding smoke box and the combustion chamber respectively through conveyer pipe through connection, be fixed with back smoke box in the boiler sealed tank body, smoke box and back smoke box before wherein through conveyer pipe through connection, also set up below the water level line of stove water chamber through the conveyer pipe that will carry the burning flue gas, the heat that carries in the utilization flue gas that can be abundant guarantees the make full use of energy.

2. This big boiler of gas blast air, set up first preceding smoke box through the below with gas burner's the end junction of flaming in the combustion chamber, smoke box before the top with gas burner's the end junction of flaming sets up the second in the combustion chamber, between first preceding smoke box wherein and the combustion chamber and between smoke box and the combustion chamber before the second respectively through conveyer pipe through connection, through conveyer pipe through connection between smoke box and the back smoke box before the second, the lighter flue gas that the burning produced passes through smoke box before the second, discharge in the conveyer pipe carried the back smoke box, the heavier oil that the burning produced drips impurity such as in carrying first preceding smoke box through the conveyer pipe, and discharge through the blow off pipe joint, guarantee the high-efficient high-quality operation of burning.

3. This big boiler of gas blast air sets up the negative pressure steam chamber through the upper portion at the boiler sealed tank body, and first condensation heat exchanger, second condensation heat exchanger of negative pressure steam chamber internal fixation wherein to the front end of first condensation heat exchanger and the front end of second condensation heat exchanger extend to outside the lateral wall of the boiler sealed tank body respectively and fix the front head respectively, be connected with out water pipe joint, wet return joint on the front head wherein, can realize the efficient vapor that utilizes this big boiler of gas blast air to produce.

Drawings

FIG. 1 is a schematic structural view of a gas blast large boiler provided by the present invention;

fig. 2 is the internal structure schematic diagram of the gas blast big boiler provided by the utility model.

Description of reference numerals: a support leg frame 1; a boiler sealing tank body 2; a combustion chamber 3; a negative pressure steam chamber 4; a first condensing heat exchanger 5; a second condensing heat exchanger 6; a furnace water chamber 7; a gas burner 8; a first front smoke box 9; a second front smoke box 10; a delivery pipe 11; a flame observation tube 12; a rear smoke box 13; a rear end enclosure 14; a front seal head 15; a water outlet pipe joint 16; a return pipe joint 17; a water level observation cylinder 18; a water line 19; a sewage pipe joint 20; a smoke evacuation pipe joint 21; a pressure relief interface 22; a pressure gauge 23.

Detailed Description

In the following, an embodiment of the present invention will be described in detail with reference to the drawings, but it should be understood that the scope of the present invention is not limited by the embodiment.

As shown in fig. 1 to 2, a gas blast big boiler provided by the embodiment of the present invention comprises a supporting leg frame 1, a boiler sealing tank 2 is fixed on the supporting leg frame 1, a boiler water chamber 7 is arranged at the inner lower part of the boiler sealing tank 2, a combustion chamber 3 is arranged in the boiler water chamber 7, a gas burner 8 is fixed on the side wall of the boiler sealing tank 2, the flame-spraying end of the gas burner 8 extends into the combustion chamber 3, a first front smoke box 9 is arranged in the combustion chamber 3 below the flame-spraying end connection part of the gas burner 8, a second front smoke box 10 is arranged in the combustion chamber 3 above the flame-spraying end connection part of the gas burner 8, the first front smoke box 9 and the combustion chamber 3 and the second front smoke box 10 and the combustion chamber 3 are respectively connected through a conveying pipe 11, the utility model discloses a boiler sealing tank body 2, including boiler sealing tank body 2, rear smoke box 13, smoke box 10 before the second with through conveyer pipe 11 through-going connection between the rear smoke box 13, the upper portion of boiler sealing tank body 2 is provided with negative pressure steam chamber 4, negative pressure steam chamber 4 internal fixation has first condensation heat exchanger 5, second condensation heat exchanger 6, the front end of first condensation heat exchanger 5 with the front end of second condensation heat exchanger 6 extends to respectively outside the lateral wall of boiler sealing tank body 2 and be fixed with preceding head 15 respectively, be connected with outlet pipe joint 16, wet return joint 17 on the preceding head 15, the rear end of first condensation heat exchanger 5 with the rear end of second condensation heat exchanger 6 extends to respectively outside the lateral wall of boiler sealing tank body 2 and be fixed with back head 14 respectively.

In this embodiment, one end of the combustion chamber 3 extends to the outside of the side wall of the boiler sealed tank 2 and is connected with the flame-throwing end of the gas burner 8.

In this embodiment, the upper end of the rear smoke box 13 extends to the outside of the top surface of the boiler sealing tank 2 and is fixed with a smoke exhaust pipe joint 21.

In this embodiment, the combustion chamber 3 is connected with a flame observation tube 12, a water level observation tube 18 for observing a water level line 19 in the boiler water chamber 7 is fixed on the side wall of the boiler sealed tank body 2, and observation lenses are arranged in the flame observation tube 12 and the water level observation tube 18.

In this embodiment, a sewage pipe joint 20 is connected to the lower side wall of the first front smoke box 9, and the other end of the sewage pipe joint 20 extends to the outside of the side wall of the boiler sealing tank 2 and is provided with a switch valve.

In this embodiment, the top surface of the boiler sealing tank 2 is connected with a pressure relief interface 22 and a pressure gauge 23, and the pressure relief interface 22 is used for connecting a pressure relief device.

The working principle is as follows: firstly, cold water enters the first condensation heat exchanger 5 and the second condensation heat exchanger 6 from the water return pipe joint 17 respectively, then the gas burner 8 is opened, the water in the furnace water chamber 7 is continuously heated, the water in the furnace water chamber 7 can be changed into water vapor due to the heating part, then the water vapor can rise to the inside of the negative pressure steam chamber 4, the cold water in the first condensation heat exchanger 5 and the second condensation heat exchanger 6 is heated, the water in the first condensation heat exchanger 5 and the second condensation heat exchanger 6 can be discharged through the water return pipe joint 17 after being heated, the smoke in the combustion chamber 3 enters the smoke exhaust pipe joint 21 from the rear smoke box 13 and is discharged out of the device, when the slightly important oil drops which are burned in the combustion chamber 3 fall in the furnace water chamber 7 due to the action of gravity, and the smoke in the first front smoke box 9 and the sewage discharge pipe joint 20 are discharged out of the device through the delivery pipe 11.

The technical effects are as follows: according to the gas blast large boiler, the combustion chamber 3 is arranged in the boiler water chamber 7, the gas burner 8 is fixed on the side wall of the boiler sealing tank body 2, and the fire spraying end of the gas burner 8 extends into the combustion chamber 3, so that energy generated by combustion of the gas burner 8 is directly applied to water in the boiler water chamber 7 through the outer wall of the combustion chamber 3, and the full utilization of the energy is ensured; and the first front smoke box 9 and the combustion chamber 3 and the second front smoke box 10 and the combustion chamber 3 are respectively communicated through the conveying pipes 11, the rear smoke box 13 is fixed in the boiler sealed tank body 2, the second front smoke box 10 and the rear smoke box 13 are communicated through the conveying pipes 11, and the conveying pipes 11 for conveying the combustion smoke are also arranged below the water level line 19 of the boiler water chamber 7, so that the heat carried in the smoke can be fully utilized, and the full utilization of energy is ensured. This big boiler of gas blast air, set up first preceding smoke box 9 through the below with gas burner 8's the end junction of flaming in combustion chamber 3, set up smoke box 10 before the top with gas burner 8's the end junction of flaming in combustion chamber 3 before the second, between smoke box 9 and combustion chamber 3 and before the second respectively through conveyer pipe 11 through connection between smoke box 10 and the combustion chamber 3, through conveyer pipe 11 through connection between smoke box 10 and the back smoke box 13 before the second, the lighter flue gas that the burning produced passes through smoke box 10 before the second, conveyer pipe 11 carries and discharges in the back smoke box 13, the heavier impurity such as oil that the burning produced passes through conveyer pipe 11 and carries in the first smoke box 9, and discharge through blow off pipe joint 20, guarantee the high-efficient high-quality operation of burning. This big boiler of gas blast air, through set up negative pressure steam chamber 4 at the upper portion of the sealed jar of body 2 of boiler, negative pressure steam chamber 4 internal fixation wherein first condensation heat exchanger 5, second condensation heat exchanger 6 to the front end of first condensation heat exchanger 5 and the front end of second condensation heat exchanger 6 extend to outside the lateral wall of the sealed jar of body 2 of boiler respectively and fix preceding head 15 respectively, be connected with water outlet pipe joint 16 on preceding head 15 wherein, return water pipe joint 17, can realize the high-efficient vapor that utilizes this big boiler of gas blast air to produce.

The above disclosure is only for the specific embodiments of the present invention, however, the embodiments of the present invention are not limited thereto, and any changes that can be considered by those skilled in the art should fall into the protection scope of the present invention.

Claims

1. A gas blast big boiler is characterized in that: comprises a supporting leg frame (1), a boiler sealing tank body (2) is fixed on the supporting leg frame (1), a boiler water chamber (7) is arranged at the inner lower part of the boiler sealing tank body (2), a combustion chamber (3) is arranged in the boiler water chamber (7), a gas burner (8) is fixed on the side wall of the boiler sealing tank body (2), the fire spraying end of the gas burner (8) extends into the combustion chamber (3), a first front smoke box (9) is arranged below the fire spraying end connection part of the gas burner (8) in the combustion chamber (3), a second front smoke box (10) is arranged above the fire spraying end connection part of the gas burner (8) in the combustion chamber (3), the first front smoke box (9) is communicated with the combustion chamber (3) and the second front smoke box (10) is communicated with the combustion chamber (3) through a conveying pipe (11), a rear smoke box (13) is fixed in the boiler sealed tank body (2), the second front smoke box (10) is communicated with the rear smoke box (13) through a conveying pipe (11), a negative pressure steam chamber (4) is arranged at the upper part of the boiler sealing tank body (2), a first condensing heat exchanger (5) and a second condensing heat exchanger (6) are fixed in the negative pressure steam chamber (4), the front end of the first condensing heat exchanger (5) and the front end of the second condensing heat exchanger (6) respectively extend out of the side wall of the boiler sealing tank body (2) and are respectively fixed with a front seal head (15), the front seal head (15) is connected with a water outlet pipe joint (16) and a water return pipe joint (17), the rear ends of the first condensation heat exchanger (5) and the second condensation heat exchanger (6) respectively extend out of the side wall of the boiler sealing tank body (2) and are respectively fixed with a rear end enclosure (14).

2. A gas blast big boiler as defined in claim 1, characterized in that one end of said combustion chamber (3) extends outside the side wall of said boiler containment vessel (2) to be connected to the firing end of said gas burner (8).

3. A gas-fired forced air large boiler as defined in claim 1, characterized in that the upper end of said rear smoke box (13) extends outside the top surface of said boiler containment vessel (2) and is fixed with a smoke pipe joint (21).

4. The large gas blast boiler according to claim 1, characterized in that a flame observation tube (12) is connected to the combustion chamber (3), a water level observation tube (18) for observing a water level line (19) in the boiler water chamber (7) is fixed on the side wall of the boiler sealed tank (2), and observation lenses are arranged in the flame observation tube (12) and the water level observation tube (18).

5. A gas blast big boiler as defined in claim 1, characterized in that a sewage pipe joint (20) is connected to the lower side wall of said first front smoke box (9), and the other end of said sewage pipe joint (20) extends out of the side wall of said boiler sealed tank (2) and is provided with a switch valve.

6. A gas blast big boiler as defined in claim 1, characterized in that said boiler containment vessel (2) is connected on its top surface with a pressure relief port (22) and a pressure gauge (23), said pressure relief port (22) being used for connection of a pressure relief device.