CN209901029U

CN209901029U - Desulphurization unit who uses in sintering process

Info

Publication number: CN209901029U
Application number: CN201920378451.7U
Authority: CN
Inventors: 任庆印; 王东国; 徐志保; 王亮
Original assignee: Qinhuangdao Baigong Iron And Steel Co Ltd
Current assignee: Qinhuangdao Baigong Iron And Steel Co Ltd
Priority date: 2019-03-25
Filing date: 2019-03-25
Publication date: 2020-01-07
Anticipated expiration: 2029-03-25

Abstract

The utility model relates to a flue gas treatment facility technical field just discloses a desulphurization unit that uses among sintering process, including advancing the tobacco pipe, the fixed cover in bottom of advancing the tobacco pipe is equipped with the connecting pipe, the fixed cover in middle part of connecting pipe inner chamber is equipped with the filter screen, one side swing joint at filter screen top has the scraper blade. This desulphurization unit who uses in the sintering process, dust in to the flue gas through the filter screen filters, a period of time back, start the electric push rod and drive the scraper blade and strike off the dust of collecting on the filter screen, and utilize the roof on the scraper blade to push away the baffle, thereby clear up the dust in pushing away the collecting box, start the air pump simultaneously, the jet orifice through roof bottom sprays compressed air and clears up the filter screen, thereby avoid the filter screen to be blockked up, improve the life of filterable effect of flue gas and filter screen, avoid the dust in the flue gas to flue gas desulfurization's influence, flue gas desulfurization's effect has been improved.

Description

Desulphurization unit who uses in sintering process

Technical Field

The utility model relates to a flue gas treatment facility technical field specifically is a desulphurization unit that uses among the sintering process.

Background

Desulfurization generally refers to the process of removing sulfur in fuel before combustion and the process of removing sulfur before emission of flue gas, and is one of important technical measures for preventing and treating air pollution, currently, desulfurization methods generally comprise three types, namely desulfurization before combustion, desulfurization during combustion and desulfurization after combustion, the craving for energy is continuously increased along with the development of industry and the improvement of living standard of people, SO2 in coal-fired flue gas becomes a main cause of air pollution, the reduction of SO2 pollution becomes a current urgent task for treating the atmospheric environment, a plurality of flue gas desulfurization processes are widely applied in industry, and the desulfurization process also has important practical significance for treating tail gas of various boilers and incinerators.

However, the existing desulphurization device does not perform effective filtering treatment on dust in the flue gas before desulphurization of the flue gas, so that the dust is mixed in the flue gas, the desulphurization effect of the flue gas is influenced, and the existing desulphurization device can not detect whether the flue gas after desulphurization meets the emission standard after desulphurization of the flue gas, so that the flue gas can not be recycled and reprocessed, and the existing desulphurization device has large loss and higher cost.

SUMMERY OF THE UTILITY MODEL

The utility model is not enough to prior art, the utility model provides a desulphurization unit that uses in sintering process, it is good to possess dust filter effect, desulfurization effect is good, resources are saved's advantage, it is before desulfurization to the flue gas to have solved current desulphurization unit, do not carry out effectual filtration reason to the dust in the flue gas, thereby cause the dust to mix in the flue gas, the desulfurization effect of flue gas has been influenced, and current desulphurization unit can't detect the flue gas after the desulfurization after desulfurization to the flue gas and whether accord with emission standard, therefore can't circulate the reprocessing to the flue gas, and current desulphurization unit loss is big, the higher problem of cost.

The utility model provides a following technical scheme: a desulfurization device used in a sintering process comprises a smoke inlet pipe, wherein a connecting pipe is fixedly sleeved at the bottom of the smoke inlet pipe, a filter screen is fixedly sleeved at the middle part of an inner cavity of the connecting pipe, a scraper is movably connected to one side of the top of the filter screen, a top plate is fixedly connected to the top of the side surface of the scraper, a fixed box is fixedly installed on the side surface of the connecting pipe, an electric push rod is arranged in the fixed box, a collecting box is arranged on the side surface of the connecting pipe away from the fixed box, a desulfurization tower is fixedly sleeved at one end of the smoke inlet pipe, a first spray device is arranged at the bottom of the inner cavity of the desulfurization tower, an atomization spray nozzle is fixedly sleeved at the top of the first spray device, a cyclone positioned above the first spray device is fixedly installed in the desulfurization tower, a water inlet pipe is fixedly sleeved at, the fixed cover of delivery port department of circulating pump is equipped with the outlet pipe, the fixed cover in one side of first spray set is equipped with the drain pipe, the inside of desulfurizing tower is equipped with the second spray set who is located the swirler top, the fixed cover in one end of second spray set has connect the feed liquor pipe, the inside of desulfurizing tower is equipped with the play tobacco pipe that is located the second spray set top, the equal fixed mounting in both sides at play tobacco pipe inner chamber top has gas concentration detection device, the top fixed mounting who goes out the tobacco pipe inner chamber has the axial fan that is located gas concentration detection device top.

Preferably, the middle part of the inner cavity of the top plate is fixedly sleeved with a branch pipe, the bottom of the inner cavity of the top plate is provided with a gas jet hole, the side surface of the branch pipe is fixedly sleeved with a gas outlet pipe, and one end of the gas outlet pipe is fixedly sleeved with a gas pump.

Preferably, one side of the inner cavity of the collecting box is fixedly connected with a telescopic rod, one end of the telescopic rod is movably sleeved with a spring, and one end of the telescopic rod is fixedly connected with a baffle.

Preferably, the scraper is movably sleeved with the connecting pipe, and the side surface of the scraper is fixedly connected with one end of the electric push rod.

Preferably, the top of the side surface of the baffle is movably connected with the side surface of the top plate, and the baffle is movably sleeved with the connecting pipe.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this desulphurization unit who uses in the sintering process, dust in to the flue gas through the filter screen filters, a period of time back, start the electric push rod and drive the scraper blade and strike off the dust of collecting on the filter screen, and utilize the roof on the scraper blade to push away the baffle, thereby clear up the dust in pushing away the collecting box, start the air pump simultaneously, the jet orifice through roof bottom sprays compressed air and clears up the filter screen, thereby avoid the filter screen to be blockked up, improve the life of filterable effect of flue gas and filter screen, avoid the dust in the flue gas to flue gas desulfurization's influence, flue gas desulfurization's effect has been improved.

2. This desulphurization unit who uses in sintering process, spray atomizing water through utilizing atomizer, subside the dust in the flue gas, the small dust of cooperation swirler in to the flue gas simultaneously filters the reason once more, recycle second spray set atomizing and spray alkali lye, carry out desulfurization treatment to the flue gas, flue gas after the desulfurization gets into out the tobacco pipe, utilize the content of sulphide in the gas concentration detection device real-time supervision flue gas in the tobacco pipe, when sulphide content is higher in the flue gas, start axial fan blows back the flue gas and carries out desulfurization once more, thereby the desulfurization effect of flue gas has been improved, through the mixture of the alkali lye that starts circulating pump extraction desulfurizing tower bottom and water collected, and carry to first spray set, thereby the waste liquid recycles, the resource has been practiced thrift.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is the schematic diagram of the structure collecting box of the utility model.

In the figure: 1. a smoke inlet pipe; 2. a connecting pipe; 3. a filter screen; 4. a squeegee; 5. a top plate; 501. a branch pipe; 502. a gas injection hole; 503. an air outlet pipe; 504. an air pump; 6. a fixed box; 7. an electric push rod; 8. a collection box; 801. a telescopic rod; 802. a spring; 803. a baffle plate; 9. a desulfurizing tower; 10. a first spraying device; 11. an atomizing spray head; 12. a swirler; 13. a water inlet pipe; 14. a circulation pump; 15. a water outlet pipe; 16. a drain pipe; 17. a second spraying device; 18. a liquid inlet pipe; 19. discharging the smoke tube; 20. a gas concentration detection device; 21. an axial flow fan.

Detailed Description

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.

Referring to fig. 1-2, a desulfurization device used in a sintering process comprises a smoke inlet pipe 1, a connecting pipe 2 is fixedly sleeved at the bottom of the smoke inlet pipe 1, a filter screen 3 is fixedly sleeved at the middle part of an inner cavity of the connecting pipe 2, a scraper 4 is movably connected at one side of the top of the filter screen 3, the scraper 4 is movably sleeved with the connecting pipe 2, the side surface of the scraper 4 is fixedly connected with one end of an electric push rod 7, a top plate 5 is fixedly connected at the top of the side surface of the scraper 4, a branch pipe 501 is fixedly sleeved at the middle part of the inner cavity of the top plate 5, an air jet hole 502 is formed at the bottom of the inner cavity of the top plate 5, an air outlet pipe 503 is fixedly sleeved at the side surface of the branch pipe 501, an air pump 504 is fixedly sleeved at one end of the air outlet pipe 503, compressed air is conveyed into the branch pipe 501 in the top plate 5 by starting the air pump 504 and, a fixed box 6 is fixedly installed on the side surface of the connecting pipe 2, an electric push rod 7 is arranged inside the fixed box 6, a collecting box 8 is arranged on the side surface of the connecting pipe 2 far away from the fixed box 6, an expansion link 801 is fixedly connected to one side of the inner cavity of the collecting box 8, a spring 802 is movably sleeved at one end of the expansion link 801, a baffle 803 is fixedly connected to one end of the expansion link 801, the top of the side surface of the baffle 803 is movably connected with the side surface of the top plate 5, the baffle 803 is movably sleeved with the connecting pipe 2, by utilizing the matching of the spring 802 and the expansion link 801, when the top plate 5 extrudes the baffle 803, the spring 802 and the expansion link 801 drive the baffle 803 to shrink, so as to collect dust pushed by the scraper 4 into the collecting box 8, a desulfurizing tower 9 is fixedly sleeved at one end of the smoke inlet pipe 1, a first spraying device 10 is arranged at the bottom of the inner cavity of the desulfurizing tower 9, a water inlet pipe 13 is fixedly sleeved on one side of the bottom of the desulfurizing tower 9, a circulating pump 14 is fixedly sleeved on the water inlet pipe 13, a water outlet pipe 15 is fixedly sleeved at a water outlet of the circulating pump 14, a water outlet pipe 16 is fixedly sleeved on one side of the first spraying device 10, the other end of the water outlet pipe 16 is fixedly connected with the water storage tank, dust in the flue gas is settled by using spraying water of the first spraying device 10, meanwhile, the circulating pump 14 extracts a mixture of water and alkali liquor at the bottom of the desulfurizing tower 9 through the water inlet pipe 13 and conveys the mixture to the first spraying device 10 through the water outlet pipe 15, so that the water and the alkali liquor are recycled, resources are saved, the filtering effect of the dust in the flue gas and the flue gas desulfurization effect are improved, a second spraying device 17 positioned above the cyclone 12 is arranged inside the desulfurizing tower 9, and the other end of a liquid inlet pipe, thereby extract alkali lye through second spray set 17 and atomize and spray, carry out desulfurization treatment to the flue gas, the fixed cover in one end of second spray set 17 has connect feed liquor pipe 18, the inside of desulfurizing tower 9 is equipped with the play tobacco pipe 19 that is located the second spray set 17 top, the equal fixed mounting in both sides at 19 inner chamber tops of play tobacco pipe has gas concentration detection device 20, the top fixed mounting who goes out the 19 inner chambers of tobacco pipe has the axial fan 21 that is located gas concentration detection device 20 top, utilize the sulfide content in the 19 flue gas of gas concentration detection device 20 real-time supervision through a tobacco pipe, when the sulfide content in the flue gas is higher, start axial fan 21 and blow back the flue gas and carry out further desulfurization, it can until the flue gas satisfies emission standard, thereby flue gas purification's effect has been improved, be favorable to the protection of environment.

The working principle is as follows: firstly, the flue gas enters a connecting pipe 2 through a flue gas inlet pipe 1, the flue gas is filtered by a filter screen 3 in the connecting pipe 2, the filtered flue gas enters a desulfurizing tower 9, water is extracted from a water storage tank by a first spraying device 10, dust in the flue gas is settled by an atomizing nozzle 11, meanwhile, the cyclone 12 is matched to further filter and clean tiny dust in the flue gas, alkali liquor is extracted from the alkali liquor tank by a second spraying device 17 and atomized and sprayed, so that the flue gas is desulfurized, then, the desulfurized flue gas enters a flue gas outlet pipe 19, the gas concentration in the flue gas is monitored in real time by a gas concentration detection device 20, when the sulfide content in the flue gas is high, an axial flow fan 21 is started to blow the flue gas back for further desulfurization until the sulfide content in the flue gas meets the emission standard, and finally, after a period of time, start electric putter 7 and drive scraper blade 4 and scrape the clearance to the dust of collecting on the filter screen 3 to utilize roof 5 to back open baffle 803, collect dust propelling movement to collecting box 8 in, electric putter 7 drives the in-process that scraper blade 4 contracts again, starts air pump 504, carries compressed air to branch pipe 501 in through outlet duct 503, finally through the blowout of fumarole 502, clears up filter screen 3, can.

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. The utility model provides a desulphurization unit who uses in sintering process, includes into tobacco pipe (1), its characterized in that: the bottom of the smoke inlet pipe (1) is fixedly sleeved with a connecting pipe (2), the middle of an inner cavity of the connecting pipe (2) is fixedly sleeved with a filter screen (3), one side of the top of the filter screen (3) is movably connected with a scraper (4), the top of the side of the scraper (4) is fixedly connected with a top plate (5), the side of the connecting pipe (2) is fixedly provided with a fixed box (6), the inside of the fixed box (6) is provided with an electric push rod (7), the side of the connecting pipe (2) far away from the fixed box (6) is provided with a collecting box (8), one end of the smoke inlet pipe (1) is fixedly sleeved with a desulfurizing tower (9), the bottom of the inner cavity of the desulfurizing tower (9) is provided with a first spraying device (10), the top of the first spraying device (10) is fixedly sleeved with an atomizing spray nozzle (11), the inside of the desulfurizing tower (9) is fixedly provided with a swirler (, a water inlet pipe (13) is fixedly sleeved on one side of the bottom of the desulfurizing tower (9), a circulating pump (14) is fixedly sleeved on the water inlet pipe (13), a water outlet pipe (15) is fixedly sleeved at the water outlet of the circulating pump (14), a water discharge pipe (16) is fixedly sleeved at one side of the first spraying device (10), a second spraying device (17) positioned above the cyclone (12) is arranged in the desulfurizing tower (9), one end of the second spraying device (17) is fixedly sleeved with a liquid inlet pipe (18), a smoke outlet pipe (19) positioned above the second spray device (17) is arranged in the desulfurizing tower (9), the two sides of the top of the inner cavity of the smoke outlet pipe (19) are fixedly provided with a gas concentration detection device (20), and an axial flow fan (21) positioned above the gas concentration detection device (20) is fixedly installed at the top of the inner cavity of the smoke outlet pipe (19).

2. The desulfurization apparatus for use in a sintering process according to claim 1, wherein: the fixed cover in middle part of roof (5) inner chamber is equipped with branch pipe (501), and the fumarole (502) have been seted up to the bottom of roof (5) inner chamber, the fixed cover in side of branch pipe (501) is equipped with outlet duct (503), the fixed cover in one end of outlet duct (503) has connect air pump (504).

3. The desulfurization apparatus for use in a sintering process according to claim 1, wherein: one side fixedly connected with telescopic link (801) of collecting box (8) inner chamber, the one end movable sleeve of telescopic link (801) is equipped with spring (802), and the one end fixedly connected with baffle (803) of telescopic link (801).

4. The desulfurization apparatus for use in a sintering process according to claim 1, wherein: the scraper (4) is movably sleeved with the connecting pipe (2), and the side surface of the scraper (4) is fixedly connected with one end of the electric push rod (7).

5. A desulfurization apparatus for use in a sintering process according to claim 3, characterized in that: the top of the side surface of the baffle plate (803) is movably connected with the side surface of the top plate (5), and the baffle plate (803) is movably sleeved with the connecting pipe (2).