CN215693111U

CN215693111U - Boiler desulphurization device

Info

Publication number: CN215693111U
Application number: CN202121919105.9U
Authority: CN
Inventors: 何世友; 顾星; 吴成芳; 叶建军
Original assignee: Sichuan Xinye Paper Co ltd
Current assignee: Sichuan Xinye Paper Co ltd
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2022-02-01
Anticipated expiration: 2031-08-16

Abstract

A boiler desulfurization device relates to the technical field of desulfurization equipment, and comprises an ammonia water tank, a filter, a gauge, a water pump and a boiler which are sequentially connected through a pipeline, wherein two liquid level alarms are fixedly installed on the side wall of the ammonia water tank from top to bottom, a sealing mechanism is arranged in the ammonia water tank, the sealing mechanism is arranged right opposite to a liquid inlet of the ammonia water tank, part of the sealing mechanism is arranged between the inner side and the outer side of the liquid inlet in a sliding mode, the two liquid level alarms are electrically connected with the sealing mechanism, the liquid level alarm positioned above controls the sealing mechanism to seal the liquid inlet, and the liquid level alarm positioned below controls the sealing mechanism to open the liquid inlet; when the liquid level in the ammonia water tank drops to the liquid level alarm below, the alarm below alarms and controls the sealing mechanism to open the liquid inlet, then ammonia water is supplemented into the ammonia water tank, and when the ammonia water is supplemented until the liquid level reaches the liquid level alarm above, the alarm above alarms and controls the sealing mechanism to seal the liquid inlet, and meanwhile, liquid adding is stopped.

Description

Boiler desulphurization device

Technical Field

The utility model relates to the technical field of desulfurization equipment, in particular to a boiler desulfurization device.

Background

SO₂Is other pollutants with great influence in atmospheric pollution, and has great harm to human bodies, environment and ecological systems. With the increasing strictness of environmental requirements, SO₂The issue of emissions is of increasing concern. SO (SO)₂Mainly comes from the burning process of fossil fuels such as coal, petroleum and the like, and the flue gas emission of the roasting and smelting processes of ores.

The existing desulphurization device generally adopts ammonia water to SO₂The used ammonia water is generally barreled, the ammonia water needs to be pumped out through a pump during use, the pump needs to be stopped for replacement after a barrel is used up, meanwhile, the boiler also needs to stop the treatment of the flue gas, and the flue gas can be continuously desulfurized after the replacement is finished, so that the efficiency of flue gas treatment is influenced.

SUMMERY OF THE UTILITY MODEL

According to the problem that ammonia water cannot be continuously added in the existing desulphurization device, the utility model adopts the following technical scheme:

the utility model provides a boiler desulphurization unit, includes ammonia tank, filter, strapping table, water pump and the boiler that links to each other in proper order through the pipeline, the lateral wall top-down fixed mounting of ammonia tank has two liquid level alarm, is equipped with the closing mechanism in the ammonia tank, the closing mechanism just arranges and partial slip is worn to establish to the inlet of ammonia tank between the inside and outside of inlet, two the liquid level alarm all is connected with the closing mechanism electricity, and the liquid level alarm control closing mechanism who is located the top seals the inlet, and the liquid level alarm control closing mechanism who is located the below opens the inlet.

Compared with the prior art, the utility model has the following beneficial effects: when the ammonia water level alarm is used, the water pump is turned on, ammonia water in the ammonia water tank is sent into the boiler, the ammonia water is filtered through the filter, the ammonia water amount used is measured through the gauge, when the liquid level in the ammonia water tank drops to the liquid level alarm positioned below, the alarm positioned below alarms and controls the sealing mechanism to open the liquid inlet, then ammonia water is supplemented into the ammonia water tank, when the ammonia water is supplemented until the liquid level reaches the liquid level alarm positioned above, the alarm positioned above alarms and controls the sealing mechanism to seal the liquid inlet, and meanwhile, liquid adding is stopped; the operation is simple and convenient, the whole process does not need to stop the pump and the boiler to process the flue gas, the ammonia water can be supplied uninterruptedly, the continuous normal operation of flue gas treatment is ensured, and the flue gas treatment efficiency is improved.

Preferably, the closing mechanism comprises a driving part fixedly arranged between the inner side and the outer side of the side wall of the ammonia water tank in a penetrating manner, a supporting part fixedly arranged on the inner wall of the ammonia water tank and an executing part arranged between the supporting part and the liquid inlet in a sliding manner, the driving part is electrically connected with the two liquid level alarms, and the power output end of the driving part freely penetrates through the supporting part to be connected with the executing part in an inclined rolling manner;

the driving part drives the execution part to move between the supporting part and the liquid inlet so as to change the closed state of the execution part to the liquid inlet.

Preferably, the supporting part includes the fixed block of horizontal fixed mounting on the ammonia jar inner wall, the vertical sliding hole of having seted up of fixed block, the sliding hole is located under the inlet, the execution portion slides and sets up between sliding hole and inlet, the drive division freely penetrates in the sliding hole and carries out the portion slope roll and link to each other.

Preferably, the execution portion includes that the slip is worn to establish and is used for sealing between the sliding hole outside and the slide bar of inlet, set up the spout that the slope was arranged on the slide bar is located the one end lateral wall in the sliding hole, the contained angle of spout and horizontal direction is the acute angle, the power take off end of drive portion penetrate in the sliding hole with the spout rolls and links to each other, and the fixed cover of one end that the slide bar is close to the inlet is equipped with the closing plate.

Preferably, the drive division is including fixed the hydraulic stem of wearing to establish between the inside and outside of aqueous ammonia jar lateral wall, the flexible end of hydraulic stem freely passes stretch into behind the fixed block in the sliding hole and through the roller bearing with the spout rolls and links to each other, two the liquid level alarm all is connected with the hydraulic stem electricity.

Preferably, the boiler top fixed mounting has the heat-conducting plate, fixed mounting has the coiled pipe in the heat-conducting plate, the coiled pipe with connect the pipeline intercommunication of water pump and boiler, fixed mounting has the shower nozzle behind the heat-conducting plate after the liquid outlet of coiled pipe wears out.

Preferably, aqueous ammonia tank top is equipped with pressure release mechanism, pressure release mechanism includes that longitudinal fixation wears to establish the aiutage between aqueous ammonia tank top inside and outside and slides and set up float plate in the aiutage, the nozzle of aiutage is located the aqueous ammonia jar, and the width of aiutage nozzle is less than its bobbin base width, and two gas outlets have been seted up in opposite directions on the lateral wall that the aiutage is located the aqueous ammonia jar outside, float plate horizontal arrangement and with the aiutage between link to each other through spring elasticity.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is an enlarged view of a portion of I in FIG. 1.

Fig. 3 is a partial enlarged view of ii in fig. 1.

The numbers in the figures are in order: 1. an ammonia tank; 11. a liquid inlet; 12. a fixed block; 121. a slide hole; 13. a hydraulic lever; 14. a roller; 15. a slide bar; 151. a chute; 16. a sealing plate; 17. an exhaust funnel; 171. an air outlet; 172. a floating plate; 173. a spring; 2. a filter; 3. a meter; 4. a water pump; 5. a boiler; 51. a heat conducting plate; 52. a serpentine tube; 53. a spray head; 6. a liquid level alarm.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the functions of the utility model clearer and easier to understand, the utility model is further explained by combining the drawings and the detailed implementation mode:

as shown in fig. 1-2, an embodiment of the utility model provides a boiler desulfurization device, which comprises an ammonia water tank 1, a filter 2, a meter 3, a water pump 4 and a boiler 5 which are sequentially connected through a pipeline, wherein two liquid level alarms 6 are fixedly installed on the side wall of the ammonia water tank 1 from top to bottom, a sealing mechanism is arranged in the ammonia water tank 1, the sealing mechanism is arranged right opposite to a liquid inlet 11 of the ammonia water tank 1 and is partially penetrated between the inner side and the outer side of the liquid inlet 11 in a sliding manner, the two liquid level alarms 6 are electrically connected with the sealing mechanism, the liquid level alarm 6 positioned above controls the sealing mechanism to seal the liquid inlet 11, and the liquid level alarm 6 positioned below controls the sealing mechanism to open the liquid inlet 11.

When the device is used, the water pump 4 is turned on, the ammonia water in the ammonia water tank 1 is sent into the boiler 5, the ammonia water is filtered through the filter 2, the ammonia water amount used is measured through the gauge 3, when the liquid level in the ammonia water tank 1 drops to the liquid level alarm 6 positioned below, the alarm positioned below alarms and controls the sealing mechanism to open the liquid inlet 11, then the ammonia water is supplemented into the ammonia water tank 1, when the ammonia water is supplemented until the liquid level reaches the liquid level alarm 6 positioned above, the alarm positioned above alarms and controls the sealing mechanism to seal the liquid inlet 11, and meanwhile, liquid adding is stopped; the operation is simple and convenient, the whole process does not need to stop the pump and the boiler 5 to process the flue gas, the continuous supply of the ammonia water can be realized, the continuous normal operation of the flue gas treatment is ensured, and the flue gas treatment efficiency is improved.

As shown in fig. 1-2, according to another embodiment of the present invention, the boiler desulfurization device further optimizes the sealing mechanism included therein, the sealing mechanism includes a driving part fixedly inserted between the inside and outside of the sidewall of the ammonia tank 1, a supporting part fixedly installed on the inner wall of the ammonia tank 1, and an executing part slidably disposed between the supporting part and the liquid inlet 11, the driving part is electrically connected to both liquid level alarms 6, and the power output end of the driving part freely passes through the supporting part and is connected to the executing part in an inclined rolling manner; according to the liquid level condition in the ammonia water tank 1, the actuating part is driven by the driving parts of the two liquid level alarms 6 to move between the supporting part and the liquid inlet 11 so as to change the closed state of the actuating part to the liquid inlet 11.

As shown in fig. 2, according to another embodiment of the present invention, the boiler desulfurization device further optimizes a supporting portion, an executing portion and a driving portion, wherein the supporting portion includes a fixed block 12 horizontally and fixedly mounted on an inner wall of the ammonia tank 1, the fixed block 12 is vertically provided with a sliding hole 121, the sliding hole 121 is located right below the liquid inlet 11, the executing portion is slidably disposed between the sliding hole 121 and the liquid inlet 11, and the driving portion freely penetrates into the sliding hole 121 and is connected with the executing portion in an inclined rolling manner; the executing part comprises a slide rod 15 which is arranged between the inner side and the outer side of the slide hole 121 in a sliding mode and used for sealing the liquid inlet 11, a slide groove 151 which is obliquely arranged is formed in the side wall of one end, located in the slide hole 121, of the slide rod 15, an included angle between the slide groove 151 and the horizontal direction is an acute angle, the power output end of the driving part penetrates into the slide hole 121 and is connected with the slide groove 151 in a rolling mode, and a sealing plate 16 is fixedly sleeved at one end, close to the liquid inlet 11, of the slide rod 15; the driving part comprises a hydraulic rod 13 fixedly arranged between the inner side and the outer side of the side wall of the ammonia water tank 1 in a penetrating mode, the telescopic end of the hydraulic rod 13 freely penetrates through the fixed block 12, then extends into the sliding hole 121 and is connected with the sliding groove 151 in a rolling mode through a rolling shaft 14, and the liquid level alarm 6 is electrically connected with the hydraulic rod 13.

The water pump 4 is started to introduce ammonia water into the boiler 5, the liquid level in the ammonia water tank 1 is lowered, when the liquid level is lowered to the liquid level alarm 6 positioned below, the liquid level alarm 6 positioned below alarms and controls the telescopic end of the hydraulic rod 13 to move, the roller 14 is driven to roll in the chute 151, and because the included angle between the chute 151 and the horizontal direction is an acute angle, the roller 14 can drive the slide rod 15 to move downwards when rolling in the chute 151, so that the liquid inlet 11 is opened, and then the ammonia water is supplemented into the ammonia water tank 1; when the ammonia water is supplemented to the liquid level alarm 6 positioned above, the liquid level alarm 6 positioned above gives an alarm and controls the telescopic end of the hydraulic rod 13 to move reversely, so that the sliding rod 15 is driven to move upwards and extend into the liquid inlet 11 for sealing, meanwhile, the sealing plate 16 is used for sealing, and the liquid supplement is stopped, so that the ammonia water can be continuously supplied.

As shown in fig. 2, according to another embodiment of the present invention, in the boiler desulfurization apparatus, preferably, a heat conducting plate 51 is fixedly installed on the top of the boiler 5, a coiled pipe 52 is fixedly installed in the heat conducting plate 51, the coiled pipe 52 is communicated with a pipeline connecting the water pump 4 and the boiler 5, and a spray nozzle 53 is fixedly installed after a liquid outlet of the coiled pipe 52 penetrates out of the heat conducting plate 51; in transmitting boiler 5's temperature to coiled pipe 52 through heat-conducting plate 51 for the aqueous ammonia preheats in coiled pipe 52, guarantees that the aqueous ammonia can fully react with the flue gas in getting into boiler 5, improves desulfurization efficiency, and shower nozzle 53 is high temperature resistant shower nozzle, can spout the aqueous ammonia atomizing into boiler 5 in, can improve the area of contact of flue gas and aqueous ammonia, improves desulfurization efficiency.

As shown in fig. 1 and 3, according to another embodiment of the present invention, preferably, a pressure relief mechanism is disposed on the top of the ammonia tank 1, the pressure relief mechanism includes an exhaust stack 17 longitudinally and fixedly disposed between the inside and the outside of the top of the ammonia tank 1, and a floating plate 172 slidably disposed in the exhaust stack 17, a cylinder opening of the exhaust stack 17 is located in the ammonia tank 1, a width of the cylinder opening of the exhaust stack 17 is smaller than a width of a cylinder bottom thereof, two air outlets 171 are oppositely disposed on a side wall of the exhaust stack 17 located outside the ammonia tank 1, and the floating plate 172 is horizontally disposed and elastically connected to the cylinder bottom of the exhaust stack 17 through a spring 173; when the pressure in the ammonia water tank 1 rises, the floating plate 172 is pushed to slide upwards and compress the spring 173, when the floating plate 172 slides to the gas outlet 171, the pressure in the ammonia water tank 1 is discharged from the gas outlet 171, and after the pressure in the ammonia water tank 1 is balanced, the floating plate 172 is pushed to move downwards under the action of the elastic force of the spring 173, so that the ammonia water tank 1 is reset, and the use safety of the ammonia water tank 1 is ensured.

The use principle of the utility model is as follows: when the device is used, the water pump 4 is turned on, the ammonia water in the ammonia water tank 1 is sent into the boiler 5, the ammonia water is filtered through the filter 2, meanwhile, the ammonia water amount used is measured through the meter 3, when the liquid level in the ammonia water tank 1 drops to the liquid level alarm 6 positioned below, the liquid level alarm 6 positioned below gives an alarm and controls the telescopic end of the hydraulic rod 13 to move, the roller 14 is driven to roll in the chute 151, and because the included angle between the chute 151 and the horizontal direction is an acute angle, the roller 14 can drive the sliding rod 15 to move downwards when rolling in the chute 151, so that the liquid inlet 11 is opened, and then the ammonia water is supplemented into the ammonia water tank 1; when the ammonia water is supplemented to the liquid level alarm 6 positioned above, the liquid level alarm 6 positioned above gives an alarm and controls the telescopic end of the hydraulic rod 13 to move reversely, so as to drive the sliding rod 15 to move upwards and extend into the liquid inlet 11 for sealing, and meanwhile, the sealing plate 16 is used for sealing and stopping the liquid supplementation, so that the ammonia water can be continuously supplied; meanwhile, when the pressure in the ammonia tank 1 rises, the floating plate 172 is pushed to slide upwards and compress the spring 173, when the floating plate 172 slides to the gas outlet 171, the pressure in the ammonia tank 1 is discharged from the gas outlet 171, and after the pressure in and out of the ammonia tank 1 is balanced, the floating plate 172 is pushed to move downwards under the action of the elastic force of the spring 173, so that the ammonia tank is reset, and the safety of the ammonia tank 1 in use is ensured.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims

1. The utility model provides a boiler desulphurization unit, its characterized in that includes ammonia tank (1), filter (2), strapping table (3), water pump (4) and boiler (5) that link to each other in proper order through the pipeline, the lateral wall top-down fixed mounting of ammonia tank (1) has two liquid level alarm (6), is equipped with the closing mechanism in ammonia tank (1), the closing mechanism just arranges and partial slip wears to establish to inlet (11) of ammonia tank (1) between the inside and outside of inlet (11), two liquid level alarm (6) all are connected with the closing mechanism electricity, and liquid level alarm (6) control closing mechanism that are located the top seals inlet (11), and liquid level alarm (6) control closing mechanism that are located the below open inlet (11).

2. The boiler desulphurization device according to claim 1, wherein the sealing mechanism comprises a driving part fixedly arranged between the inside and the outside of the side wall of the ammonia water tank (1), a supporting part fixedly arranged on the inner wall of the ammonia water tank (1) and an executing part arranged between the supporting part and the liquid inlet (11) in a sliding manner, the driving part is electrically connected with both the liquid level alarms (6), and the power output end of the driving part freely passes through the supporting part to be connected with the executing part in an inclined rolling manner;

the driving part drives the execution part to move between the supporting part and the liquid inlet (11) so as to change the closed state of the execution part to the liquid inlet (11).

3. The boiler desulfurization device according to claim 2, wherein the supporting portion comprises a fixing block (12) horizontally and fixedly mounted on the inner wall of the ammonia tank (1), the fixing block (12) is vertically provided with a sliding hole (121), the sliding hole (121) is located right below the liquid inlet (11), the actuating portion is slidably arranged between the sliding hole (121) and the liquid inlet (11), and the driving portion freely penetrates into the sliding hole (121) and is connected with the actuating portion in an inclined rolling manner.

4. The boiler desulfurization device according to claim 3, wherein the actuating portion comprises a slide rod (15) slidably inserted between the inner side and the outer side of the slide hole (121) and used for sealing the liquid inlet (11), a slide groove (151) obliquely arranged is formed in the side wall of one end of the slide rod (15) located in the slide hole (121), an included angle between the slide groove (151) and the horizontal direction is an acute angle, the power output end of the driving portion is inserted into the slide hole (121) and is connected with the slide groove (151) in a rolling manner, and a sealing plate (16) is fixedly sleeved at one end of the slide rod (15) close to the liquid inlet (11).

5. The boiler desulphurization device according to claim 4, wherein the driving part comprises a hydraulic rod (13) fixedly arranged between the inner side and the outer side of the side wall of the ammonia tank (1), the telescopic end of the hydraulic rod (13) freely passes through the fixed block (12) and then extends into the sliding hole (121) and is connected with the sliding groove (151) in a rolling manner through a roller (14), and the two liquid level alarms (6) are electrically connected with the hydraulic rod (13).

6. The boiler desulphurization device according to claim 1, wherein a heat conducting plate (51) is fixedly installed at the top of the boiler (5), a coiled pipe (52) is fixedly installed in the heat conducting plate (51), the coiled pipe (52) is communicated with a pipeline connecting the water pump (4) and the boiler (5), and a spray head (53) is fixedly installed after a liquid outlet of the coiled pipe (52) penetrates out of the heat conducting plate (51).

7. The boiler desulfurization device according to claim 1, characterized in that a pressure relief mechanism is arranged at the top of the ammonia tank (1), the pressure relief mechanism comprises an exhaust funnel (17) longitudinally and fixedly arranged between the inside and the outside of the top of the ammonia tank (1) and a floating plate (172) slidably arranged in the exhaust funnel (17), the opening of the exhaust funnel (17) is positioned in the ammonia tank (1), the width of the opening of the exhaust funnel (17) is smaller than the width of the bottom of the exhaust funnel, two air outlets (171) are oppositely arranged on the side wall of the exhaust funnel (17) positioned outside the ammonia tank (1), and the floating plate (172) is horizontally arranged and elastically connected with the bottom of the exhaust funnel (17) through a spring (173).