CN218820477U - A protection device for a boiler - Google Patents

Abstract

The utility model discloses a protection device for a boiler, which comprises a recovery component, a suction fan, and a flue gas pipe arranged at one end of the suction fan; and a dust removal component, which is arranged at one side of the suction fan, including The sewage tank arranged on one side of the suction fan, the spray box arranged on the top of the sewage tank, the communicating pipe arranged inside the spray box, the spray pipe arranged outside the communicating pipe, and the The spray head at the bottom of the spray pipe, the suction fan includes a fixed seat arranged at the bottom, and a first pipeline arranged at one end of the suction fan, and the suction fan also includes a the second pipeline. The device described in the utility model solves the problem that the existing boiler flue gas is directly discharged, and the wasted flue gas contains more heat, which is not fully recycled. The problem of air pollution.

Description

A protection device for a boiler

technical field

The utility model relates to the technical field of boiler flue gas protection, in particular to a protection device for boilers.

Background technique

The boiler is a kind of energy conversion equipment. The energy input to the boiler includes chemical energy and electric energy in the fuel. The boiler outputs steam, high-temperature water or organic heat carrier with a certain amount of heat energy. The original meaning of the pot refers to the water container heated on the fire. Furnace refers to the place where fuel is burned. The boiler includes two parts: the boiler and the furnace. The hot water or steam generated in the boiler can directly provide the required heat energy for industrial production and people's life, and can also be converted into mechanical energy through a steam power device, or regenerated. The generator converts mechanical energy into electrical energy, and the boiler that provides hot water is called a hot water boiler. It is mainly used in daily life and has a small amount of application in industrial production. The boiler that generates steam is called a steam boiler, often referred to as a boiler, and is mostly used in thermal power stations. , Ships, locomotives and industrial and mining enterprises, various boilers are now more and more widely used, but in the existing technology, many boiler flue gases are directly discharged, and the wasted flue gas contains more heat, which is not fully exhausted. At the same time, the flue gas contains a large number of tiny particles, and it is easy to pollute the air if it is directly discharged.

Utility model content

The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section, as well as in the abstract of the specification and the title of the utility model of this application, to avoid obscuring the purpose of this section, the abstract of the specification, and the title of the utility model, and such simplifications or omissions cannot be used to limit the utility model range.

In view of the problems mentioned above and/or in the existing protection devices for boilers, the utility model is proposed.

Therefore, the problem to be solved by the utility model is that various boilers are used more and more widely nowadays, but in the prior art, many boiler flue gases are directly discharged, and the wasted flue gas contains more heat. Without sufficient recycling, the flue gas contains a large number of tiny particles, and it is easy to pollute the air if it is directly discharged.

In order to solve the above technical problems, the utility model provides the following technical solutions: a protection device for boilers, which includes a recovery component, including a suction fan, and a flue gas pipe arranged at one end of the suction fan; and a dust removal component, It is arranged on one side of the suction fan, including a sewage tank arranged on one side of the suction fan, a spray box arranged on the top of the sewage tank, a connecting pipe arranged inside the spray box, and a The shower pipe on the outside of the connecting pipe, and the spray head arranged at the bottom of the shower pipe.

As a preferred solution of the protection device for boilers described in the present invention, wherein: the suction fan includes a fixing seat provided at the bottom, and a first pipe provided at one end of the suction fan.

As a preferred solution of the protection device for boilers described in the present invention, wherein: the suction fan also includes a second pipe arranged on one side of the spray box, and a second pipe arranged at one end of the second pipe Third pipeline.

As a preferred solution of the protection device for boilers described in the present invention, wherein: the suction fan further includes an air-gas heat exchanger arranged at one end of the third pipeline, and an air-gas heat exchanger arranged at the other end of the third pipeline Air-to-water heat exchanger at one end.

As a preferred solution of the protection device for boilers described in the present invention, wherein: the flue gas pipe includes a first control valve arranged outside the third pipe, and a first control valve arranged on the gas-gas heat exchanger Intake pipe on one side.

As a preferred solution of the protection device for boilers described in the present invention, wherein: the flue gas pipe also includes an outlet pipe arranged on one side of the gas-gas heat exchanger, and a gas outlet pipe arranged on the side of the gas-gas heat exchanger The first discharge pipe on the other side of the heater.

As a preferred solution of the protection device for boilers described in the present invention, wherein: the flue gas pipe also includes a water inlet pipe arranged on one side of the gas-water heat exchanger, and a water inlet pipe arranged under the water inlet pipe the outlet pipe.

As a preferred solution of the boiler protection device of the present invention, wherein: the flue gas pipe further includes a second discharge pipe arranged on one side of the gas-water heat exchanger.

As a preferred solution of the protection device for boilers described in the present invention, wherein: the sewage tank includes a sewage pipe disposed on one side, a second control valve disposed on the outside of the sewage pipe, and a second control valve disposed on the A filter plate inside the sewage tank, a water tank arranged on one side of the sewage tank, and a water adding pipe arranged on one side of the water tank.

As a preferred solution of the protection device for boilers described in the present invention, wherein: the spray box includes a water pump arranged on one side of the water tank, a suction pipe arranged at one end of the water pump, and a water pump arranged at one end of the water pump The water delivery pipe at the other end of the water pump, and the through holes arranged on both sides of the spray box.

The beneficial effects of the utility model are as follows: the utility model removes dust from the flue gas generated when the boiler burns by setting the recovery component and the dust removal component, avoids polluting the environment, and recycles the high-temperature flue gas to avoid energy waste.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention , for those skilled in the art, other drawings can also be obtained according to these drawings on the premise of not paying creative labor. in:

Fig. 1 is a structural diagram of a protection device for a boiler.

Fig. 2 is a structural diagram of a dust removal assembly used in a boiler protection device.

Fig. 3 is a structural diagram of a water pump used in a boiler protection device.

Fig. 4 is an internal structure diagram of the sewage tank used for the protection device of the boiler.

Detailed ways

In order to make the above purpose, features and advantages of the utility model more obvious and easy to understand, the specific implementation of the utility model will be described in detail below in conjunction with the accompanying drawings.

In the following description, a lot of specific details have been set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways that are different from those described here, and those skilled in the art can do so without violating the connotation of the utility model. Under the circumstances, similar promotion is done, so the utility model is not limited by the specific embodiments disclosed below.

Secondly, "one embodiment" or "embodiment" referred to herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. "In one embodiment" appearing in different places in this specification does not all refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments.

Example 1

Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, it is the first embodiment of the present utility model, which provides a protection device for a boiler, which includes a recovery assembly 100 and a dust removal assembly 200, by setting the recovery component 100 and the dust removal component 200 to remove dust from the flue gas generated during the combustion of the boiler to avoid environmental pollution, and to recycle the high-temperature flue gas to avoid energy waste.

Specifically, the recovery assembly 100 includes a suction fan 101 and a flue gas pipe 102 arranged at one end of the suction fan 101 . By setting the suction fan 101, the suction fan 101 communicates with the flue of the boiler through the flue gas pipe 102, so as to extract the flue gas generated during the combustion of the boiler.

Preferably, the dust removal assembly 200 is arranged on one side of the suction fan 101, and includes a sewage tank 201 arranged on one side of the suction fan 101, a spray box 202 arranged on the top of the sewage tank 201, and a communication tank 202 arranged inside the spray box 202. The pipe 203 , the shower pipe 204 arranged outside the communication pipe 203 , and the shower head 205 arranged at the bottom of the shower pipe 204 . By setting the spray box 202, after the flue gas enters the spray box 202, a spray pipe 204 is provided on the outside of the communication pipe 203, and the bottom of the spray pipe 204 is provided with a nozzle 205, so that the spray nozzle 205 can spray the inside of the spray box 202. The flue gas is sprayed to remove dust, which makes the flue gas cleaner and greatly reduces the pollution to the environment.

When in use, by setting the suction fan 101, the suction fan 101 communicates with the flue of the boiler through the flue gas pipe 102, so as to extract the flue gas generated during the combustion of the boiler, and by setting the spray box 202, the flue gas enters the spray After the box 202, a spray pipe 204 is installed on the outside of the connecting pipe 203, and the bottom of the spray pipe 204 is provided with a nozzle 205, so that the smoke inside the spray box 202 is sprayed and dust-removed through the nozzle 205, so that the smoke is cleaner , greatly reducing environmental pollution.

Example 2

Referring to Fig. 1, it is the second embodiment of the present utility model, and this embodiment is based on the previous embodiment.

Specifically, the suction fan 101 includes a fixing seat 101a arranged at the bottom, and a first pipe 101b arranged at one end of the suction fan 101 . The suction fan 101 is supported and fixed by setting the fixing base 101a, and the exhaust end of the suction fan 101 communicates with one side of the spray box 202 through the first pipe 101b, so as to discharge the flue gas into the spray box 202.

Preferably, the suction fan 101 further includes a second pipeline 101c disposed on one side of the spray box 202, and a third pipeline 101d disposed on one end of the second pipeline 101c. The spray box 202 discharges the dedusted flue gas into the third pipeline 101d through the second pipeline 101c.

Preferably, the suction fan 101 further includes an air-air heat exchanger 101e disposed at one end of the third pipeline 101d, and an air-water heat exchanger 101f disposed at the other end of the third pipeline 101d. The flue gas enters the air-gas heat exchanger 101e and the air-water heat exchanger 101f respectively through the third pipe 101d, and the high-temperature flue gas is exchanged and utilized through the air-gas heat exchanger 101e and the air-water heat exchanger 101f.

Preferably, the flue gas pipe 102 includes a first control valve 102a arranged outside the third pipe 101d, and an air inlet pipe 102b arranged on one side of the air-gas heat exchanger 101e. The flow of flue gas entering the air-gas heat exchanger 101e and the air-water heat exchanger 101f is controlled by setting the first control valve 102a, and the gas delivery to the gas-gas heat exchanger 101e is facilitated by setting the intake pipe 102b.

Preferably, the flue gas pipe 102 further includes an outlet pipe 102c arranged on one side of the air-gas heat exchanger 101e, and a first discharge pipe 102d arranged on the other side of the air-gas heat exchanger 101e. The heat-exchanged gas is discharged through the air outlet pipe 102c, and the flue gas whose heat has been used is discharged through the first discharge pipe 102d.

When in use, by setting the suction fan 101, the suction fan 101 communicates with the flue of the boiler through the flue gas pipe 102, so as to extract the flue gas generated during the combustion of the boiler, and by setting the spray box 202, the flue gas enters the spray After the box 202, a spray pipe 204 is installed on the outside of the connecting pipe 203, and the bottom of the spray pipe 204 is provided with a nozzle 205, so that the smoke inside the spray box 202 is sprayed and dust-removed through the nozzle 205, so that the smoke is cleaner , which greatly reduces the pollution to the environment. The suction fan 101 is supported and fixed by setting the fixing seat 101a. The exhaust end of the suction fan 101 communicates with one side of the spray box 202 through the first pipe 101b, so that the smoke is discharged into the into the spray box 202, the spray box 202 discharges the dedusted flue gas into the third pipeline 101d through the second pipeline 101c, and the flue gas enters the air-gas heat exchanger 101e and the gas-water exchanger through the third pipeline 101d respectively. Inside the heat exchanger 101f, the high-temperature flue gas is used for heat exchange through the air-gas heat exchanger 101e and the air-water heat exchanger 101f. The flue gas flow rate is controlled, and the gas transmission to the gas-gas heat exchanger 101e is facilitated by setting the inlet pipe 102b, and the gas after heat exchange is discharged by setting the gas outlet pipe 102c, and the exhausted flue gas is discharged through the first discharge pipe 102d. gas is discharged.

Example 3

Referring to Figs. 1-4, it is the third embodiment of the present utility model, which is based on the first two embodiments.

Specifically, the flue gas pipe 102 further includes a water inlet pipe 102e arranged on one side of the air-water heat exchanger 101f, and a water outlet pipe 102f arranged below the water inlet pipe 102e. It is convenient to add water to the air-water heat exchanger 101f by setting the water inlet pipe 102e, and discharge the hot water after heat exchange through the water outlet pipe 102f.

Preferably, the flue gas pipe 102 further includes a second discharge pipe 102g disposed on one side of the air-water heat exchanger 101f. The exhausted flue gas in the air-water heat exchanger 101f is discharged through the second discharge pipe 102g.

Preferably, the sewage tank 201 includes a sewage discharge pipe 201a disposed on one side, a second control valve 201b disposed outside the sewage discharge pipe 201a, a filter plate 201c disposed inside the sewage tank 201, and a water tank disposed on one side of the sewage tank 201. 201d, and the water adding pipe 201e arranged on one side of the water tank 201d. The sewage in the sewage tank 201 is discharged by setting the sewage pipe 201a, the second control valve 201b controls the sewage flow, the filter plate 201c filters the sewage entering the sewage tank 201 from the spray box 202, and passes through the water adding pipe 201e The inside of the water tank 201d is filled with water.

Preferably, the spray box 202 includes a water pump 202a arranged on one side of the water tank 201d, a water suction pipe 202b arranged at one end of the water pump 202a, a water delivery pipe 202c arranged at the other end of the water pump 202a, and water pipes arranged on both sides of the spray box 202. The through hole 202d. The water in the water tank 201d is pumped out by the water pump 202a and discharged into the water pipe 202c, the water is supplied to the connecting pipe 203 through the air pipe 202c, and the smoke gas is facilitated to enter and exit the spray box 202 by setting the through hole 202d.

When in use, by setting the suction fan 101, the suction fan 101 communicates with the flue of the boiler through the flue gas pipe 102, so as to extract the flue gas generated during the combustion of the boiler, and by setting the spray box 202, the flue gas enters the spray After the box 202, a spray pipe 204 is installed on the outside of the connecting pipe 203, and the bottom of the spray pipe 204 is provided with a nozzle 205, so that the smoke inside the spray box 202 is sprayed and dust-removed through the nozzle 205, so that the smoke is cleaner , which greatly reduces the pollution to the environment. The suction fan 101 is supported and fixed by setting the fixing seat 101a. The exhaust end of the suction fan 101 communicates with one side of the spray box 202 through the first pipe 101b, so that the smoke is discharged into the into the spray box 202, the spray box 202 discharges the dedusted flue gas into the third pipeline 101d through the second pipeline 101c, and the flue gas enters the air-gas heat exchanger 101e and the gas-water exchanger through the third pipeline 101d respectively. Inside the heat exchanger 101f, the high-temperature flue gas is used for heat exchange through the air-gas heat exchanger 101e and the air-water heat exchanger 101f. The flue gas flow rate is controlled, and the gas transmission to the gas-gas heat exchanger 101e is facilitated by setting the inlet pipe 102b, and the gas after heat exchange is discharged by setting the gas outlet pipe 102c, and the exhausted flue gas is discharged through the first discharge pipe 102d. It is convenient to add water to the air-water heat exchanger 101f by setting the water inlet pipe 102e, discharge the hot water after heat exchange through the water outlet pipe 102f, and utilize the heat in the air-water heat exchanger 101f through the second discharge pipe 102g The exhausted flue gas is discharged, the sewage in the sewage tank 201 is discharged by setting the sewage pipe 201a, the second control valve 201b controls the sewage flow, and the filter plate 201c controls the sewage entering the sewage tank 201 from the spray box 202 Filter, add water to the inside of the water tank 201d through the water pipe 201e, pump out the water in the water tank 201d by the water pump 202a and discharge it into the water delivery pipe 202c, and supply water to the connecting pipe 203 through the air delivery pipe 202c, and facilitate the operation by setting the through hole 202d The flue gas enters and exits the spray box 202 .

It should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model without limitation. Although the utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the utility model can be Modifications or equivalent replacements of the technical solutions without departing from the spirit and scope of the technical solutions of the utility model shall be covered by the claims of the utility model.

Claims (10)

1. A protection device for a boiler, characterized in that: comprising, A recovery assembly (100), including a suction fan (101), and a flue gas pipe (102) arranged at one end of the suction fan (101); and, The dust removal assembly (200) is arranged on one side of the suction fan (101), including a sewage tank (201) arranged on one side of the suction fan (101), and a spray nozzle arranged on the top of the sewage tank (201). A shower box (202), a communication pipe (203) arranged inside the spray box (202), a shower pipe (204) arranged outside the communication pipe (203), and a shower pipe (204) arranged on the outside of the shower pipe (204) spray head (205) at the bottom. 2. The protection device for the boiler according to claim 1, characterized in that: the suction fan (101) includes a fixing base (101a) arranged at the bottom, and a First conduit (101b). 3. The protection device for a boiler according to claim 2, characterized in that: the suction fan (101) further comprises a second pipe (101c) arranged on one side of the spray box (202), and A third pipeline (101d) arranged at one end of the second pipeline (101c). 4. The protection device for boilers according to claim 3, characterized in that: the suction fan (101) further comprises an air-gas heat exchanger (101e) arranged at one end of the third pipeline (101d), And an air-water heat exchanger (101f) arranged at the other end of the third pipeline (101d). 5. The protection device for a boiler according to claim 4, characterized in that: the flue gas pipe (102) includes a first control valve (102a) arranged outside the third pipe (101d), and The air intake pipe (102b) is arranged on one side of the air-gas heat exchanger (101e). 6. The protection device for boilers according to claim 4 or 5, characterized in that: the flue gas pipe (102) also includes an outlet pipe ( 102c), and the first discharge pipe (102d) arranged on the other side of the gas-air heat exchanger (101e). 7. The protection device for boilers according to claim 6, characterized in that: the flue gas pipe (102) further includes a water inlet pipe (102e) arranged on one side of the gas-water heat exchanger (101f) , and a water outlet pipe (102f) arranged below the water inlet pipe (102e). 8. The protection device for a boiler according to claim 7, characterized in that: the flue gas pipe (102) further comprises a second discharge pipe ( 102g). 9. The protection device for boilers according to claim 7 or 8, characterized in that: the sewage tank (201) includes a sewage discharge pipe (201a) arranged on one side, a sewage discharge pipe (201a) The second control valve (201b) on the outside, the filter plate (201c) arranged inside the sewage tank (201), the water tank (201d) arranged on one side of the sewage tank (201), and the water tank (201d) arranged on the water tank (201d) the water adding pipe (201e) on one side. 10. The protection device for boilers according to claim 9, characterized in that: the spray box (202) includes a water pump (202a) arranged on one side of the water tank (201d), (202a) a water suction pipe (202b) at one end, a water delivery pipe (202c) arranged at the other end of the water pump (202a), and through holes (202d) arranged at both sides of the spray box (202).

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