CN220506749U

CN220506749U - Boiler water-cooling front smoke box

Info

Publication number: CN220506749U
Application number: CN202321808961.6U
Authority: CN
Inventors: 汪亚平; 李正斌; 汪立; 刘卓辉; 甘鑫
Original assignee: Chongqing Taihu Boiler Co ltd
Current assignee: Chongqing Taihu Boiler Co ltd
Priority date: 2023-07-11
Filing date: 2023-07-11
Publication date: 2024-02-20
Anticipated expiration: 2033-07-11

Abstract

The utility model relates to the technical field of boilers, in particular to a water-cooling front smoke box of a boiler, which comprises a condensation outer box, wherein a sealing ring is fixedly connected to the back surface of the condensation outer box, a condensation inner box is arranged on the surface of the sealing ring, the condensation inner box is positioned in the condensation outer box, a condensation channel is formed between the condensation outer box and the condensation inner box, a water inlet pipe is fixedly connected to the upper surface of the condensation outer box, a water outlet pipe is fixedly connected to the upper surface of the condensation outer box, the water outlet pipe is positioned on the right side of the water inlet pipe, and a box cover is fixedly connected to the front surface of the condensation outer box. According to the utility model, the heat dissipation loss of the front smoke box of the boiler can be reduced in a water cooling mode, the heat efficiency of the boiler is improved, the L-shaped partition plate is used for separating the cold water inlet pipe from the hot water inlet pipe, so that the water inlet pipe and the water outlet pipe are not affected, the temperature of the smoke box is reduced more fully, and the service life of the smoke box is prolonged.

Description

Boiler water-cooling front smoke box

Technical Field

The utility model relates to the field of boilers, in particular to a water-cooling front smoke box of a boiler.

Background

The boiler is a device for transferring heat energy released after fuel combustion to water in a container to make the water reach required temperature or steam, and it is an integral body formed from "boiler", "pan", accessory instrument and accessory equipment so as to ensure its normal safe operation.

When the high-temperature flue gas flows in the furnace body, a front smoke box is needed for increasing the flow length of the heated surface, but when the flue gas flows in the front smoke box, the front smoke box is damaged if the temperature is too high, and the heat dissipation loss of the front smoke box can reduce the heat efficiency of the boiler.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a water-cooling front smoke box of a boiler.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a smoke box before boiler water-cooling, includes the condensation outer box, the back fixedly connected with sealing ring of condensation outer box, the surface mounting of sealing ring has the condensation inner box, and the condensation inner box is located the inside of condensation outer box, be formed with the condensation passageway between condensation outer box and the condensation inner box, the last fixedly connected with inlet tube of condensation outer box, the last fixedly connected with outlet pipe of condensation outer box, the outlet pipe is located the right side of inlet tube, the positive fixedly connected with case lid of condensation outer box.

As a further description of the above technical solution:

through holes are formed in the surface of the box cover, burner interfaces are fixedly connected to the inner portions of the through holes, and the right sides of the burner interfaces extend to the inner portion of the condensation inner box.

As a further description of the above technical solution:

the surface of the burner interface is fixedly connected with a flange, and the surface of the flange is provided with a threaded hole.

As a further description of the above technical solution:

the surface of the inner condensation box is fixedly connected with heat conducting strips, and the number of the heat conducting strips is multiple.

As a further description of the above technical solution:

the inner wall fixedly connected with baffle of condensation outer box, the baffle is L shape, and the baffle is located between inlet tube and the outlet pipe.

As a further description of the above technical solution:

the surface of the outer condensation box is fixedly connected with a condensate drain pipe, and the top of the condensate drain pipe extends to the inside of the inner condensation box.

As a further description of the above technical solution:

the surface of the condensing outer box is fixedly connected with a drain pipe, and the tail end of the drain pipe is fixedly connected with a valve.

The utility model has the following beneficial effects:

1. compared with the prior art, this smoke box before boiler water-cooling passes through condensing outer box, condensing inner box, inlet tube, outlet pipe, condensation passageway, lets in cold water to condensing outer box top fixed connection's inlet tube, cold water gets into inside the condensation passageway that is equipped with between condensing outer box and the condensing inner box, for preceding smoke box heat dissipation, by the outlet pipe outflow again, compare in conventional device, when flue gas flows in preceding smoke box, if the smoke box before the high temperature then can damage, and the heat loss of preceding smoke box can reduce boiler thermal efficiency, the device can reduce the heat loss of smoke box before the boiler through the mode of water-cooling, improve boiler thermal efficiency.

2. Compared with the prior art, this smoke box before boiler water-cooling passes through inlet tube, outlet pipe, condensation outer box, condensation inner box, condensation passageway, baffle, let in cold water to the inlet tube, cold water is around condensation inner box round along the condensation passageway that is equipped with between condensation outer box and the condensation inner box, after follow the outlet pipe outflow, L shape baffle will intake and go out water separately, compare when the smoke box flows before in the smoke box in conventional device flue gas, if the temperature is too high then can damage preceding smoke box, reduce smoke box life, this L shape baffle separates cold and hot inlet tube for the water that advances does not influence each other, the cooling of smoke box is more abundant, the life of smoke box has been improved.

Drawings

FIG. 1 is a schematic view of the overall structure of a first view of a boiler water-cooling front smoke box of the boiler water-cooling front smoke box;

FIG. 2 is a cross-sectional view of a boiler water-cooled front smoke box of the boiler water-cooled front smoke box provided by the utility model;

FIG. 3 is a schematic diagram of the internal structure of a boiler water-cooling front smoke box of the boiler water-cooling front smoke box;

fig. 4 is an enlarged view of a boiler water-cooling front smoke box partition plate of the boiler water-cooling front smoke box.

Legend description:

1. a condensing outer box; 2. a case cover; 3. a burner interface; 4. a condensing channel; 5. a blow-down pipe; 6. a condensate drainage pipe; 7. a partition plate; 8. a water inlet pipe; 9. a water outlet pipe; 10. condensing the inner box; 11. a heat conducting strip; 12. and (3) a sealing ring.

Detailed Description

Referring to fig. 1-4, the utility model provides a boiler water-cooling front smoke box: including condensation outer box 1, the back fixedly connected with sealing ring 12 of condensation outer box 1, the surface mounting of sealing ring 12 has condensation inner box 10, and condensation inner box 10 is located the inside of condensation outer box 1, be formed with condensation channel 4 between condensation outer box 1 and the condensation inner box 10, the last fixedly connected with inlet tube 8 of condensation outer box 1, the last fixedly connected with outlet pipe 9 of condensation outer box 1, outlet pipe 9 is located the right side of inlet tube 8, the positive fixedly connected with case lid 2 of condensation outer box 1.

Through-holes are formed in the surface of the box cover 2, the burner interface 3 is fixedly connected to the inside of the through-holes, the right side of the burner interface 3 extends to the inside of the inner condensation box 10, the surface of the burner interface 3 is fixedly connected with a flange, threaded holes are formed in the surface of the flange, heat conducting strips 11 are fixedly connected to the surface of the inner condensation box 10, the number of the heat conducting strips 11 is multiple, the heat conducting strips 11 can increase the contact area of the inner condensation box 10 with cold water, and the temperature is reduced better.

The inner wall fixedly connected with baffle 7 of condensation outer tank 1, baffle 7 is L shape, L shape baffle 7 separates cold and hot inlet tube for business turn over water each other does not influence, and the cooling of smoke box is more abundant, has improved the life of smoke box, and baffle 7 is located between inlet tube 8 and outlet pipe 9, and the fixed surface of condensation outer tank 1 is connected with arranges condenser pipe 6, arranges condenser pipe 6's top and extends to the inside of condensation inner tank 10, and the fixed surface of condensation outer tank 1 is connected with blow off pipe 5, and the end fixedly connected with valve of blow off pipe 5 can regularly open blow off pipe 5 when the water of letting in has impurity, prevents to block up.

Working principle: the cold water is introduced into the water inlet pipe 8 fixedly connected with the upper part of the condensation outer box 1, the cold water enters the condensation channel 4 formed between the condensation outer box 1 and the condensation inner box 10 and flows out of the front smoke box through the water outlet pipe 9 after being wound around the condensation inner box 10 for heat dissipation, and then flows out of the front smoke box through the water outlet pipe 9, the L-shaped partition plate 7 separates the cold water inlet pipe from the cold water inlet pipe, so that the water inlet and the water outlet are not influenced, the cooling of the smoke box is more sufficient, the service life of the smoke box is prolonged, the burner interface 3 introduces smoke into the condensation inner box 10, the smoke flows out along the condensation water discharging pipe 6 after being condensed, the lower surface of the condensation outer box 1 is provided with the drain pipe 5, and when the introduced water has impurities, the drain pipe 5 can be opened regularly to prevent blockage.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a smoke box before boiler water-cooling, includes condensation outer box (1), its characterized in that: the back fixedly connected with sealing ring (12) of condensation outer tank (1), the surface mounting of sealing ring (12) has condensation inner tank (10), and condensation inner tank (10) are located the inside of condensation outer tank (1), be formed with condensation passageway (4) between condensation outer tank (1) and condensation inner tank (10), the last fixedly connected with inlet tube (8) of condensation outer tank (1), the last fixedly connected with outlet pipe (9) of condensation outer tank (1), outlet pipe (9) are located the right side of inlet tube (8), the positive fixedly connected with case lid (2) of condensation outer tank (1).

2. The boiler water-cooled front smoke box of claim 1, wherein: through holes are formed in the surface of the box cover (2), a burner interface (3) is fixedly connected to the inside of the through holes, and the right side of the burner interface (3) extends to the inside of the condensation inner box (10).

3. A boiler water cooled front smoke box as claimed in claim 2, wherein: the surface of the burner interface (3) is fixedly connected with a flange, and the surface of the flange is provided with a threaded hole.

4. The boiler water-cooled front smoke box of claim 1, wherein: the surface of the condensation inner box (10) is fixedly connected with heat conducting strips (11), and the number of the heat conducting strips (11) is multiple.

5. The boiler water-cooled front smoke box of claim 1, wherein: the inner wall fixedly connected with baffle (7) of condensation outer tank (1), baffle (7) are L shape, and baffle (7) are located between inlet tube (8) and outlet pipe (9).

6. The boiler water-cooled front smoke box of claim 1, wherein: the surface of the outer condensation box (1) is fixedly connected with a condensate drainage pipe (6), and the top of the condensate drainage pipe (6) extends to the inside of the inner condensation box (10).

7. The boiler water-cooled front smoke box of claim 1, wherein: the surface of the condensing outer box (1) is fixedly connected with a blow-down pipe (5), and the tail end of the blow-down pipe (5) is fixedly connected with a valve.