CN214416047U

CN214416047U - Novel flue gas treatment device

Info

Publication number: CN214416047U
Application number: CN202120306970.XU
Authority: CN
Inventors: 王吉萍; 蔡新利; 曾天敏; 魏早宁; 王瑞嘉; 蒋雯雯
Original assignee: Xinjiang Research Institute Of Building Science LLC
Current assignee: Xinjiang Research Institute Of Building Science LLC
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-10-19
Anticipated expiration: 2031-02-03

Abstract

The utility model discloses a novel flue gas treatment device, which comprises a guide pipe, wherein the output end of the guide pipe is fixedly connected with the input end of a primary cloth bag, the output end of the primary cloth bag is fixedly connected with a cooling water tank, one end of the cooling water tank is fixedly connected with a filter box, one side in the filter box is fixedly connected with a secondary cloth bag, the output end of the filter box is fixedly connected with the input end of a draught fan, the output end of the draught fan is fixedly connected with the input end of a flue gas cooling pipe, one side of the flue gas cooling pipe is fixedly connected with a circulating water tank, and the top end of the circulating water tank is fixedly provided with a spray pump; the utility model adds a cooling water tank link, so that the adsorption of the active carbon is enhanced, the cost of the active carbon is reduced, and the cost of replacing the active carbon can be saved by 20 percent compared with the prior equipment; a primary cloth bag is added in front of the water tank to remove larger particles, and large particles are cleaned in time, so that the secondary cloth bag dust removal effect is enhanced, the replacement period is prolonged, and the cost is saved.

Description

Novel flue gas treatment device

Technical Field

The utility model relates to a flue gas processing apparatus technical field specifically is a novel flue gas processing apparatus.

Background

Flue gas is a mixture of gas and smoke dust and is the main cause of atmospheric pollution in residential areas. The components of the flue gas are complex, the gas comprises water vapor, sulfur dioxide, nitrogen, oxygen, carbon monoxide, carbon dioxide, hydrocarbons, nitrogen oxides and the like, and the smoke comprises ash, coal particles, oil drops, pyrolysis products and the like of the fuel.

Therefore, the pollution of the flue gas to the environment is the composite pollution of various poisons. The harmfulness of smoke to human bodies is related to the size of particles, most of the harmfulness to human bodies is floating dust with the diameter smaller than 10um, and particularly the highest harmfulness is the floating dust with the diameter of 1-2.5 um.

Patent No. CN209752562U discloses a novel flue gas treatment device, which comprises a housin, the casing has the activated carbon box through the connecting pipe intercommunication, the activated carbon box has the air exhauster through the pipeline intercommunication, the gas vent fixed mounting of air exhauster has an exhaust chimney, the casing has the water pump through the drinking-water pipe intercommunication, and one side fixed mounting of water pump has the water pump motor, the top intercommunication of water pump has the drain pipe, the intermediate position of drain pipe has first shower through the three-way valve intercommunication, the top position of drain pipe has the second shower through two intercommunication, the outside rear position fixed mounting that is located the drain pipe of casing has the inlet tube. A novel flue gas is handled device, can dry the moisture in the flue gas, avoid influencing the filter effect of filler and active carbon board, also can spread the flue gas, improve the flue gas and the liquid decomposition homogeneity that sprays, improve the effect of handling the flue gas

The novel flue gas treatment device has the following disadvantages when in use:

1. flue gas, smoke and dust behind the insulation material monomer burning are more, and equipment dust collector can not pass through the filter screen well with the smoke and dust and keep apart, and flue gas temperature is high, and active carbon adsorption capacity is less, and current flue gas treatment purifier dust removal effect is relatively poor, and the gas pollution flue gas granule that discharges is many, extremely harms the life of monomer equipment to produce certain harm to environment and experimenter.

2. The cloth bag used for dust removal and the active carbon are high in consumption, the cleaning process is troublesome, and the solution containing 0.5% of sodium hydroxide sprayed in an atomizing mode is high in consumption, so that the monomer combustion equipment is poor in use effect and high in cost. Therefore, a solution is urgently needed to improve the dust removal effect of the existing monomer combustion equipment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel flue gas is handled device to solve the relatively poor and trouble problem of cleaning process of dust removal effect that proposes in the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a novel flue gas treatment device, includes the pipe, the input of the output fixedly connected with one-level sack of pipe, the output fixedly connected with coolant tank of one-level sack, coolant tank's one end fixedly connected with rose box, inside one side fixedly connected with second grade sack of rose box, the input of the output fixedly connected with draught fan of rose box, the output fixedly connected with flue gas cooling tube's of draught fan input, one side fixedly connected with circulating water tank of flue gas cooling tube, circulating water tank's top fixed mounting has the spray pump, the input of the output fixedly connected with connecting pipe of spray pump.

Preferably, a negative pressure pump is fixedly mounted inside the cooling water tank, and the input end of the negative pressure pump is electrically connected with an external power supply.

Preferably, a filter chamber is arranged on one side of the filter box, activated carbon is filled in the filter chamber, and impurities such as smoke dust discharged by filtering are collected and then are subjected to catalytic oxidation by the activated carbon to remove odor.

Preferably, the atomizer is inserted into one end of the connecting pipe, the atomizer is fixedly installed inside the flue gas cooling pipe, when flue gas enters the quenching, the spray pump can be controlled, NaOH dilute solution inside the circulating water tank is sprayed out through the atomizer at one end of the connecting pipe, and harmful gases such as SO2 and HC1 in the flue gas are removed while the temperature of the flue gas is reduced.

Preferably, the output fixedly connected with bent pipe's of negative pressure pump input, the output fixedly connected with negative pressure pump's of bent pipe input, negative pressure pump can form hydrologic cycle through the bent pipe with external water resource through the rotation of inside motor, the circulation of cooling water tank normal water, comes the rapid flue gas temperature that reduces effectively.

Preferably, the input and the external power electric connection of draught fan, the input and the external power electric connection of pump spray.

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

1. the utility model discloses, through increasing the one-level sack, pass through the pipe when the flue gas, through the one-level sack, the belt removes dust and filters the back, the coolant tank that increases effectively reduces the flue gas temperature, surplus solid particle passes through the draught fan drainage and gets into the flue gas cooling tube after second grade sack removes dust and active carbon filtration fast, through NaOH dilution system this moment, the spray water that contains 0.5% sodium hydroxide solution atomizes and sprays, the NaOH solution after diluting spouts through water spray desuperheating system and with flue gas intensive mixing, form a quench tower effect, the acid gas in NaOH and the flue gas takes place neutralization reaction, just reached and got rid of most HCl, harmful substance and flue gas cooling purpose such as SO 2. Effectively reduces the emission of acid gas into the air and reduces the environmental pollution. Reach below HCl and SO2 emission concentration daily average emission standard in the flue gas, increase one-level sack and remove dust, can effectively filter solid particle in the gas that passes through, filter most tiny solid particle, reduce the inside that the smoke and dust large granule got into the rose box, guarantee that current sack filter effect and active carbon adsorption effect reach the best, further reach the dust removal effect of optimization, and the effectual second grade sack that has protected, avoid the second grade sack directly to absorb a large amount of smog particles, prolong its life, effectively reduce part use cost.

2. The utility model, by adding the cooling water tank, when in use, the external power supply is switched on, the external switch is switched on, so that the negative pressure pump and the negative pressure pump can form water circulation by passing external water through the bent pipe through the rotating action of the internal motor, the temperature of the flue gas is rapidly and effectively reduced by the circulation of water in the cooling water tank, the adsorption capacity of the activated carbon is further enhanced along with the reduction of the temperature, the fine solid particles are easier to be gathered together in the flue gas cooling pipe, when the flue gas enters the quenching, the spray pump can be controlled to spray the NaOH dilute solution in the circulating water tank through the atomizer at one end of the connecting pipe to reduce the temperature of the flue gas and remove harmful gases of SO2 and HC1 in the flue gas, a cooling water tank link is added, the adsorption of the activated carbon is enhanced, the cost of the activated carbon is reduced, and compared with the prior equipment, the cost of replacing the activated carbon can be saved by 20 percent. The one-level sack that increases before the water tank is detached great granule, in time clears up big particulate matter, makes second grade sack dust removal effect reinforcing and change cycle, practices thrift the cost, and fume outlet carries out the solution effect reinforcing that contains 0.5% sodium hydroxide that atomizes and spray in addition to draught fan life-span reinforcing, the effectual condition that reduces the draught fan damage takes place.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural view of a filter box according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a cooling water tank according to an embodiment of the present invention.

In the figure: 1. a conduit; 2. a primary cloth bag; 3. a cooling water tank; 4. a filter box; 5. an induced draft fan; 6. a flue gas cooling pipe; 7. a circulating water tank; 8. a spray pump; 9. a connecting pipe; 10. an atomizer; 11. a secondary cloth bag; 12. a filter chamber; 13. activated carbon; 14. a negative pressure pump; 15. and (4) bending the tube.

Detailed Description

In order to facilitate the use/solve the relatively poor and troublesome problem of cleaning process of dust removal effect, the embodiment of the utility model provides a novel flue gas is handled device. The technical solutions in the embodiments of the present invention will be described clearly and completely 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, not all embodiments. 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.

Example 1

Referring to fig. 1, 2 and 3, the embodiment provides a novel flue gas treatment device, which includes a conduit 1, an output end of the conduit 1 is fixedly connected with an input end of a primary cloth bag 2, an output end of the primary cloth bag 2 is fixedly connected with a cooling water tank 3, one end of the cooling water tank 3 is fixedly connected with a filter box 4, one side inside the filter box 4 is fixedly connected with a secondary cloth bag 11, an output end of the filter box 4 is fixedly connected with an input end of an induced draft fan 5, an output end of the induced draft fan 5 is fixedly connected with an input end of a flue gas cooling pipe 6, one side of the flue gas cooling pipe 6 is fixedly connected with a circulating water tank 7, a top end of the circulating water tank 7 is fixedly provided with a spray pump 8, an output end of the spray pump 8 is fixedly connected with an input end of a connecting pipe 9, spray water containing 0.5% sodium hydroxide solution is atomized and sprayed through a NaOH dilution system, the diluted solution is sprayed through a NaOH spraying temperature reduction system and fully mixed with flue gas, the method has the advantages that a quench tower effect is formed, NaOH and acid gas in the flue gas are subjected to neutralization reaction, the purposes of removing most of harmful substances such as HCl and SO2 and cooling the flue gas are achieved, the acidic gas is effectively reduced and discharged into the air, the environmental pollution is reduced, the emission concentration daily average discharge amount standard of HCl and SO2 in the flue gas is achieved, the primary cloth bag 2 is added for dust removal, solid particles in the passing gas can be effectively filtered, most of fine solid particles are filtered, large smoke particles are reduced and enter the filter box 4, the optimal filtering effect of the conventional cloth bag and the optimal adsorption effect of the active carbon 13 are guaranteed, the optimal dust removal effect is further achieved, the secondary cloth bag 11 is effectively protected, a large amount of smoke particles are prevented from being directly absorbed by the secondary cloth bag 11, the service life of the secondary cloth bag is prolonged, and part of use cost is effectively reduced.

In the embodiment, when the flue gas cooling device is used, the primary cloth bag 2 is added, when the flue gas passes through the guide pipe 1, passes through the primary cloth bag 2, is subjected to belt type dust removal and filtration, the temperature of the flue gas is effectively reduced by the added cooling water tank 3, residual solid particles are drained by the draught fan 5, quickly pass through the secondary cloth bag 11 for dust removal and are filtered by the activated carbon 13, and then enter the flue gas cooling pipe 6, at the moment, spray water containing 0.5% of sodium hydroxide solution is sprayed in an atomizing manner by the NaOH dilution system, the diluted NaOH solution is sprayed in the water spraying temperature reduction system to be fully mixed with the flue gas, SO that a quench tower effect is formed, the NaOH and acidic gas in the flue gas are subjected to neutralization reaction, most of harmful substances such as HCl, SO2 and the like and the flue gas are removed, the temperature of the flue gas is reduced, the acidic gas is effectively discharged into the air, the environmental pollution is reduced, and the daily emission concentration of HCl and SO2 in the flue gas is below the standard, increase 2 dust removals of one-level sack, can effectively filter in the gas solid particle that passes through, filter most tiny solid particle, reduce the inside that the smoke and dust large granule got into rose box 4, guarantee that current sack filter effect and active carbon 13 adsorption efficiency reach the best, further reach the dust removal effect of optimization, and effectual second grade sack 11 of having protected, avoid second grade sack 11 directly to absorb a large amount of smog granules, prolong its life, effectively reduce part use cost.

Example 2

Referring to fig. 1 and fig. 3, a further improvement is made on the basis of embodiment 1: the inside fixed mounting of cooling water tank 3 has negative pressure pump 14, the input of negative pressure pump 14 and external power supply electric connection, filter chamber 12 has been seted up to one side of filter tank 4, filter chamber 12 is inside to be filled with active carbon 13, the one end of connecting pipe 9 is pegged graft and is had atomizer 10, atomizer 10 is fixed mounting in the inside of flue gas cooling tube 6, the output of negative pressure pump 14 is fixed connection with the input of bent pipe 15, the output of bent pipe 15 is fixed connection with the input of negative pressure pump 14, the input of draught fan 5 and external power supply electric connection, the input of spray pump 8 and external power supply electric connection, through increasing cooling water tank 3, when using, switch on external power supply, open external switch, make negative pressure pump 14, negative pressure pump 14 can pass through the rotation of internal motor, with external water resource through bent pipe 15, form the water circulation, the circulation of water in cooling water tank 3, the flue gas temperature is quickly and effectively reduced, the adsorption capacity of the activated carbon 13 is further enhanced along with the temperature reduction, fine solid particles are easier to gather together in the flue gas cooling pipe 6, when the flue gas enters the rapid cooling, the spray pump 8 can be controlled to spray the NaOH dilute solution in the circulating water tank 7 through the atomizer 10 at one end of the connecting pipe 9 to be thin and discharged, the harmful gases of SO2 and HC1 in the flue gas are removed while the flue gas temperature is reduced, the link of the cooling water tank 3 is added, the adsorption of the activated carbon 13 is enhanced, the cost of the activated carbon 13 is reduced, compared with the prior equipment, the cost of replacing the activated carbon 13 can be saved by 20 percent, a primary cloth bag 2 is added in front of the water tank to remove larger particles, large particles are cleaned in time, the dust removal effect and replacement period of a secondary cloth bag 11 are enhanced, the cost is saved, in addition, the effect of the solution containing 0.5 percent of sodium hydroxide atomized and sprayed at the flue gas outlet is enhanced, thereby draught fan 5 life-span reinforcing, the effectual condition that reduces draught fan 5 and damage takes place.

The spray pump 8 is of a common XBD9.0/20G-L model, the negative pressure pump 14 is of a common ISG65-100 model, and the induced draft fan 5 is of a common 2TB1630-7AH26 model.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A novel flue gas treatment device comprises a conduit (1), and is characterized in that: the input of output fixedly connected with one-level sack (2) of pipe (1), output fixedly connected with coolant tank (3) of one-level sack (2), the one end fixedly connected with rose box (4) of coolant tank (3), inside one side fixedly connected with second grade sack (11) of rose box (4), the input of the output fixedly connected with draught fan (5) of rose box (4), the input of the output fixedly connected with flue gas cooling tube (6) of draught fan (5), one side fixedly connected with circulating water tank (7) of flue gas cooling tube (6), the top fixed mounting of circulating water tank (7) has spray pump (8), the input of the output fixedly connected with connecting pipe (9) of spray pump (8).

2. The novel flue gas treatment device according to claim 1, wherein: the inside fixed mounting of coolant tank (3) has negative pressure pump (14), the input and the external power source electric connection of negative pressure pump (14).

3. The novel flue gas treatment device according to claim 1, wherein: a filter cavity (12) is formed in one side of the filter box (4), and activated carbon (13) is filled in the filter cavity (12).

4. The novel flue gas treatment device according to claim 1, wherein: one end of the connecting pipe (9) is spliced with an atomizer (10), and the atomizer (10) is fixedly installed inside the flue gas cooling pipe (6).

5. The novel flue gas treatment device according to claim 2, wherein: the output end of the negative pressure pump (14) is fixedly connected with the input end of a curved pipe (15), and the output end of the curved pipe (15) is fixedly connected with the input end of the negative pressure pump (14).

6. The novel flue gas treatment device according to claim 1, wherein: the input and the external power source electric connection of draught fan (5), the input and the external power source electric connection of pump (8) spray.