Desulfurizing tower for producing refractory material

Abstract

The utility model belongs to the technical field of desulfurizing towers, and particularly relates to a desulfurizing tower for producing refractory materials, which comprises a base and a desulfurizing tower, and a scraping device and a desulfurizing device are arranged in the desulfurizing tower. According to the desulfurizing tower for producing the refractory material, after flue gas generated during production of the refractory material is desulfurized, a rotating motor is started to drive a rotating shaft to rotate in a sealing bearing, so that a scraping plate at the top of the rotating shaft and a side wall scraping plate at one end of the rotating shaft are driven to synchronously rotate; calcium sulfide and sodium sulfide crystals adhering to the inner wall and the bottom wall of the desulfurization tower are scraped off and discharged, the inner wall of the desulfurization tower is prevented from being corroded, and the service life of the desulfurization tower is prevented from being influenced; and therefore, the atomization nozzle at the bottom of the spray nozzle is driven to rotate, and the flue gas is subjected to spraying contact reaction, so that the flue gas is desulfurized.

Description

Technical Field

[0001] The utility model relates to the technical field of desulfurization towers, in particular to a desulfurization tower used for producing refractory materials. Background Art

[0002] A large amount of waste gas is generated during the industrial production process. Factories will use waste gas treatment equipment to purify the waste gas and reduce the impact on the environment. The desulfurization tower is one of the waste gas treatment equipment. In the existing technology, if the sulfur content in the flue gas is too high, the desulfurization capacity of the desulfurization tower is certain. Relying solely on the desulfurization tower, the flue gas cannot meet the desulfurization standard, the desulfurization effect is not very good, and the emission will pollute the air. In addition, the exhaust pipe of the conventional desulfurization tower is a branch pipe, and the flue gas flow rate is fast. The impurities contained in the flue gas will hit the tower wall of the desulfurization tower, which will wear the tower wall over a long period of time.

[0003] For example, Chinese patent announcement No. CN211302636U discloses a desulfurization tower for clean production of refractory materials. When in use, a desulfurization pretreatment device is installed on the air inlet pipe of the desulfurization tower. The desulfurization pretreatment device first uses an activated carbon layer to adsorb a portion of SO2 and impurities, and then allows the sulfur-containing flue gas to react with SO2 under a high-temperature environment with a desulfurizer to remove part of the SO2 in the flue gas, thereby reducing the desulfurization pressure of the desulfurization tower and improving the desulfurization effect of the desulfurization tower. In addition, the exhaust pipe inside the desulfurization tower is changed into an exhaust component, and the exhaust component is set as an upward spiral pipe to slow down the flue gas flow rate and increase the contact time with the solution sprayed from the spray pipe. A liquid level observation tube connected to the interior of the accommodating part is installed on the side wall of the accommodating part of the tower body to replace the traditional observation window for easy installation and observation.

[0004] However, the refractory clean production desulfurization tower in the above application will produce calcium sulfide and sodium sulfide during the desulfurization process of the flue gas. Both of these substances are corrosive and adhere to the bottom wall of the desulfurization tower to corrode it, reducing the service life of the desulfurization tower. Therefore, there are certain limitations.

[0005] For this reason, we urgently need to provide a desulfurization tower for producing refractory materials. Utility Model Content

[0006] The purpose of the utility model is to provide a desulfurization tower for producing refractory materials, so as to solve the problem of the desulfurization tower for clean production of refractory materials proposed in the above background technology, which produces calcium sulfide and sodium sulfide in the process of desulfurizing flue gas. Both of these substances have certain corrosiveness and adhere to the bottom wall of the desulfurization tower to corrode, thereby reducing the service life of the desulfurization tower.

[0007] To achieve the above objectives, the present invention provides the following technical solutions: a desulfurization tower for producing refractory materials, comprising a base and a desulfurization tower, wherein the desulfurization tower is installed on the top of the base, and a scraping device and a desulfurization device are provided inside the desulfurization tower.

[0008] The scraping device includes a rotating motor, a sealed bearing, a rotating shaft, a scraper, and a side wall scraper. The rotating motor is installed inside the base, and the sealed bearing is installed at the inner center of the bottom of the desulfurization tower. The rotating shaft is connected to the output end of the rotating motor and is rotatably connected to the inside of the sealed bearing. The two scrapers are respectively fixedly connected to the front and rear ends of the rotating shaft and are tightly attached to the bottom wall of the desulfurization tower. The two side wall scrapers are respectively fixedly connected to the top end of the scraper and are tightly attached to the side wall of the desulfurization tower. After desulfurization of the flue gas generated during the production of refractory materials, the rotating motor is started to drive the rotating shaft to rotate inside the sealed bearing, thereby driving the scraper on the top of the rotating shaft and the side wall scraper at one end thereof to rotate synchronously, scraping off and discharging the calcium sulfide and sodium sulfide crystals adhering to the inner wall and bottom wall of the desulfurization tower to prevent them from corroding the inner wall of the desulfurization tower and affecting the service life of the desulfurization tower.

[0009] A further improvement is that a sewage pipe is fixedly connected to the bottom of the right outer surface of the desulfurization tower, an electric valve is installed on the outer surface of the sewage pipe, and a liquid level sensor is installed on the side wall of the desulfurization tower. When the accumulated liquid at the bottom of the desulfurization tower reaches the position of the liquid level sensor, the liquid level sensor sends an electrical signal, and the electric valve is activated by an external central controller to discharge the desulfurized sewage through the sewage pipe for treatment, thereby avoiding excessive accumulation of liquid.

[0010] A further improvement is that the desulfurization device includes a smoke inlet unit, a desulfurization unit and a secondary desulfurization unit.

[0011] The smoke inlet unit includes a smoke inlet pipe, a filter assembly, a smoke exhaust pipe, and a collision plate. The smoke inlet pipe is installed on the left side of the base, the filter assembly is fixedly connected to the right end of the smoke inlet pipe, the smoke exhaust pipe is fixedly connected to the right end of the filter assembly, and its right end extends into the interior of the desulfurization tower. The collision plate is fixedly connected to the top of the smoke exhaust pipe through a connecting rod. After the flue gas is discharged into the interior of the desulfurization tower through the smoke exhaust pipe, it impacts the collision plate and overflows, thereby increasing the contact area between the flue gas and the desulfurization liquid in the desulfurization unit and improving the desulfurization efficiency.

[0012] A further improvement is that the filter assembly includes a filter box, a filter screen, and a pull ring. The filter box is fixedly connected to the right end of the smoke inlet pipe, the filter screen is installed inside the filter box, and the pull ring is fixedly connected to the top of the filter screen. When the flue gas enters the interior of the filter box through the smoke inlet pipe, the flue gas passes through the filter screen and the large particles of impurities in the flue gas are intercepted by the filter assembly, which is more convenient for subsequent desulfurization and purification treatment.

[0013] A further improvement is that a plug-in slot is provided on the top of the filter box, and the filter is plugged into the inside of the plug-in slot. The pull ring is pulled regularly to remove the filter from the inside of the plug-in slot for cleaning, so as to avoid the filter being clogged by impurities and affecting the passage of smoke.

[0014] A further improvement is that the desulfurization unit includes a first liquid inlet pipe, a rotating bearing, a T-shaped connecting pipe, and an atomizing nozzle. The first liquid inlet pipe is fixedly connected to the middle of the desulfurization tower, and its right end extends into the interior of the desulfurization tower. The rotating bearing is installed inside the bottom of the first liquid inlet pipe, and the top of the T-shaped connecting pipe is rotatably connected to the interior of the rotating bearing. The two groups of atomizing nozzles are respectively fixedly connected to the left and right sides of the bottom of the T-shaped connecting pipe. When the flue gas is desulfurized and purified, the desulfurization liquid flows to its bottom through the first liquid inlet pipe. Under the impact of the desulfurization liquid, the T-shaped connecting pipe rotates inside the rotating bearing, thereby driving the atomizing nozzle at its bottom to rotate, spraying the flue gas for contact reaction, and thus desulfurizing the flue gas.

[0015] A further improvement is that the secondary desulfurization unit includes a second liquid inlet pipe, a shower nozzle, and a gas equalizing plate. The second liquid inlet pipe is fixedly connected to the top of the desulfurization tower, and its right end extends into the interior of the desulfurization tower. The shower nozzle is fixedly connected to one end of the second liquid inlet pipe, and the gas equalizing plate is fixedly connected to the upper middle part of the interior of the desulfurization tower. The flue gas after preliminary desulfurization and purification floats into the upper part of the interior of the desulfurization tower through the gas equalizing plate, and the desulfurization liquid is input into the interior of the shower nozzle through the second liquid inlet pipe and sprayed out, thereby performing secondary desulfurization and purification on the flue gas, further improving the desulfurization effect.

[0016] A further improvement is that an exhaust hole is opened at the top of the desulfurization tower, and a cyclone plate is installed at the top of the interior of the desulfurization tower. The purified flue gas passes through the interior of the cyclone plate, and the gas-liquid mixture is quickly separated by the rotational kinetic energy and centrifugal force, so that the droplets therein are separated outward due to the action of centrifugal force, and the treated flue gas is discharged into the atmosphere through the exhaust hole.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] 1. The desulfurization tower used for producing refractory materials, after desulfurizing the flue gas generated during the production of refractory materials, starts the rotating motor to drive the rotating shaft to rotate inside the sealed bearing, thereby driving the scraper on the top of the rotating shaft and the side wall scraper at one end thereof to rotate synchronously, scraping off and discharging the calcium sulfide and sodium sulfide crystals adhering to the inner wall and bottom wall of the desulfurization tower, thereby preventing them from corroding the inner wall of the desulfurization tower and affecting the service life of the desulfurization tower.

[0019] 2. This desulfurization tower is used for producing refractory materials. When the flue gas enters the filter box through the smoke inlet pipe, the flue gas passes through the filter mesh and the large particles of impurities in the flue gas are intercepted by the filter components, which is more convenient for subsequent desulfurization and purification treatment.

[0020] 3. In the desulfurization tower used for producing refractory materials, when desulfurizing and purifying the flue gas, the desulfurization liquid flows to the bottom of the tower through the first liquid inlet pipe. Under the impact of the desulfurization liquid, the T-shaped connecting pipe rotates inside the rotating bearing, thereby driving the atomizing nozzle at the bottom of the tower to rotate, spraying the flue gas for contact reaction, thereby desulfurizing the flue gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a front view structural diagram of the utility model;

[0022] Figure 2 This is a schematic diagram of the front cross-sectional structure of the present utility model;

[0023] Figure 3 For the utility model Figure 2 Schematic diagram of the split structure at A in the middle;

[0024] Figure 4 This is a schematic cross-sectional view of the scraping device of the present invention;

[0025] Figure 5 This is a schematic diagram of the independently disassembled structure of the smoke inlet unit of the present invention.

[0026] In the figure: 1. Base; 2. Desulfurization tower; 301. Rotating motor; 302. Sealed bearing; 303. Rotating shaft; 304. Scraper; 305. Side scraper; 306. Drain pipe; 307. Electric valve; 308. Liquid level sensor; 401. Smoke inlet pipe; 402. Filter assembly; 4021. Filter box; 4022. Filter screen; 4023. Pull ring; 403. Smoke exhaust pipe; 404. Impact plate; 405. First liquid inlet pipe; 406. Rotating bearing; 407. T-type connecting pipe; 408. Atomizing nozzle; 409. Second liquid inlet pipe; 410. Shower nozzle; 411. Gas equalizing plate; 5. Swirl plate. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] See also Figure 1-Figure 5, the utility model provides a technical solution:

[0029] Example 1:

[0030] A desulfurization tower for producing refractory materials comprises a base 1 and a desulfurization tower 2. The desulfurization tower 2 is installed on the top of the base 1. A scraping device and a desulfurization device are provided inside the desulfurization tower 2.

[0031] The scraping device includes a rotating motor 301, a sealed bearing 302, a rotating shaft 303, a scraper 304, and a side wall scraper 305. The rotating motor 301 is installed inside the base 1, and the sealed bearing 302 is installed at the inner center of the bottom of the desulfurization tower 2. The rotating shaft 303 is connected to the output end of the rotating motor 301 and is rotatably connected to the inside of the sealed bearing 302. The two scrapers 304 are respectively fixedly connected to the front and rear ends of the rotating shaft 303 and are close to the bottom wall of the desulfurization tower 2. The two side wall scrapers 305 are respectively fixedly connected to the front and rear ends of the rotating shaft 303 and are close to the bottom wall of the desulfurization tower 2. It is fixedly connected to one end of the top of the scraper 304 and is tightly attached to the side wall of the desulfurization tower 2. After desulfurization treatment of the flue gas generated during the production of refractory materials, the rotating motor 301 is started to drive the rotating shaft 303 to rotate inside the sealed bearing 302, thereby driving the scraper 304 on the top of the rotating shaft 303 and the side wall scraper 305 at one end thereof to rotate synchronously, scraping off and discharging the calcium sulfide and sodium sulfide crystals adhering to the inner wall and bottom wall of the desulfurization tower 2 to prevent them from corroding the inner wall of the desulfurization tower 2 and affecting the service life of the desulfurization tower 2.

[0032] A sewage pipe 306 is fixedly connected to the bottom of the right outer surface of the desulfurization tower 2, and an electric valve 307 is installed on the outer surface of the sewage pipe 306. A liquid level sensor 308 is installed on the side wall of the desulfurization tower 2. When the accumulated liquid at the bottom of the desulfurization tower 2 reaches the position of the liquid level sensor 308, the liquid level sensor 308 sends an electrical signal, and the electric valve 307 is activated by the external central controller to discharge the desulfurized sewage through the sewage pipe 306 for treatment to avoid excessive liquid accumulation.

[0033] The desulfurization device includes a smoke inlet unit and a desulfurization unit.

[0034] The smoke inlet unit includes a smoke inlet pipe 401, a filter assembly 402, a smoke exhaust pipe 403, and a collision plate 404. The smoke inlet pipe 401 is installed on the left side of the base 1, the filter assembly 402 is fixedly connected to the right end of the smoke inlet pipe 401, the smoke exhaust pipe 403 is fixedly connected to the right end of the filter assembly 402, and its right end extends into the interior of the desulfurization tower 2. The collision plate 404 is fixedly connected to the top of the smoke exhaust pipe 403 through a connecting rod. After the flue gas is discharged into the interior of the desulfurization tower 2 through the smoke exhaust pipe 403, it impacts the collision plate 404, thereby scattering and overflowing, increasing the contact area between the flue gas and the desulfurization liquid in the desulfurization unit, and improving the desulfurization efficiency.

[0035] The filter assembly 402 includes a filter box 4021, a filter screen 4022, and a pull ring 4023. The filter box 4021 is fixedly connected to the right end of the smoke inlet pipe 401, the filter screen 4022 is installed inside the filter box 4021, and the pull ring 4023 is fixedly connected to the top of the filter screen 4022. When the flue gas enters the interior of the filter box 4021 through the smoke inlet pipe 401, the flue gas passes through the filter screen 4022 and is intercepted by the filter assembly 402 to facilitate subsequent desulfurization and purification treatment.

[0036] A plug-in slot is provided on the top of the filter box 4021, and the filter screen 4022 is plugged into the inside of the plug-in slot. The pull ring 4023 is pulled regularly to remove the filter screen 4022 from the inside of the plug-in slot for cleaning to prevent the filter screen 4022 from being clogged by impurities and affecting the passage of smoke.

[0037] The desulfurization unit includes a first liquid inlet pipe 405, a rotating bearing 406, a T-shaped connecting pipe 407, and an atomizing nozzle 408. The first liquid inlet pipe 405 is fixedly connected to the middle of the desulfurization tower 2, and its right end extends into the interior of the desulfurization tower 2. The rotating bearing 406 is installed inside the bottom of the first liquid inlet pipe 405. The top of the T-shaped connecting pipe 407 is rotatably connected to the interior of the rotating bearing 406. Two groups of atomizing nozzles 408 are respectively fixedly connected to the left and right sides of the bottom of the T-shaped connecting pipe 407. When the flue gas is desulfurized and purified, the desulfurization liquid flows to its bottom through the first liquid inlet pipe 405. Under the impact of the desulfurization liquid, the T-shaped connecting pipe 407 rotates inside the rotating bearing 406, thereby driving the atomizing nozzle 408 at its bottom to rotate, spraying the flue gas for contact reaction, and thus desulfurizing the flue gas.

[0038] Example 2:

[0039] On the basis of Example 1, the desulfurization device includes a secondary desulfurization unit, which includes a second liquid inlet pipe 409, a shower nozzle 410, and a gas equalizing plate 411. The second liquid inlet pipe 409 is fixedly connected to the top of the desulfurization tower 2, and its right end extends into the interior of the desulfurization tower 2. The shower nozzle 410 is fixedly connected to one end of the second liquid inlet pipe 409, and the gas equalizing plate 411 is fixedly connected to the middle and upper part of the interior of the desulfurization tower 2. The flue gas after preliminary desulfurization and purification floats into the upper part of the interior of the desulfurization tower 2 through the gas equalizing plate 411, and the desulfurization liquid is input into the interior of the shower nozzle 410 through the second liquid inlet pipe 409 and sprayed out, thereby performing secondary desulfurization and purification on the flue gas, further improving the desulfurization effect.

[0040] Example 3:

[0041] On the basis of Example 2, an exhaust hole is opened on the top of the desulfurization tower 2, and a cyclone plate 5 is installed on the top of the interior of the desulfurization tower 2. The purified flue gas passes through the interior of the cyclone plate 5, and the gas-liquid mixture is quickly separated by the rotational kinetic energy and centrifugal force, so that the droplets therein are separated outward due to the action of centrifugal force, and the treated flue gas is discharged into the atmosphere through the exhaust hole.

[0042] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a..." does not exclude the presence of additional identical elements in the process, method, article, or device comprising the element.

Claims

1. A desulfurization tower for producing refractory materials, comprising a base (1) and a desulfurization tower (2), wherein the desulfurization tower (2) is installed on the top of the base (1), and is characterized in that: The desulfurization tower (2) is provided with a scraping device and a desulfurization device inside; The scraping device comprises a rotating motor (301), a sealed bearing (302), a rotating shaft (303), a scraper (304), and a side wall scraper (305). The rotating motor (301) is installed inside the base (1). The sealed bearing (302) is installed at the inner center of the bottom of the desulfurization tower (2). The rotating shaft (303) is connected to the output end of the rotating motor (301) and is rotatably connected to the inside of the sealed bearing (302). The two scrapers (304) are respectively fixedly connected to the front and rear ends of the rotating shaft (303) and are in close contact with the bottom wall of the desulfurization tower (2). The two side wall scrapers (305) are respectively fixedly connected to the top end of the scraper (304) and are in close contact with the side wall of the desulfurization tower (2).

2. A desulfurization tower for producing refractory materials according to claim 1, characterized in that: A sewage pipe (306) is fixedly connected to the bottom of the right outer surface of the desulfurization tower (2), an electric valve (307) is installed on the outer surface of the sewage pipe (306), and a liquid level sensor (308) is installed on the side wall of the desulfurization tower (2).

3. A desulfurization tower for producing refractory materials according to claim 1, characterized in that: The desulfurization device includes a smoke inlet unit, a desulfurization unit and a secondary desulfurization unit; The smoke inlet unit comprises a smoke inlet pipe (401), a filter assembly (402), a smoke exhaust pipe (403), and a collision plate (404); the smoke inlet pipe (401) is installed on the left side of the base (1); the filter assembly (402) is fixedly connected to the right end of the smoke inlet pipe (401); the smoke exhaust pipe (403) is fixedly connected to the right end of the filter assembly (402), and its right end extends into the interior of the desulfurization tower (2); and the collision plate (404) is fixedly connected to the top of the smoke exhaust pipe (403) via a connecting rod.

4. A desulfurization tower for producing refractory materials according to claim 3, characterized in that: The filter assembly (402) comprises a filter box (4021), a filter screen (4022), and a pull ring (4023); the filter box (4021) is fixedly connected to the right end of the smoke inlet pipe (401); the filter screen (4022) is installed inside the filter box (4021); and the pull ring (4023) is fixedly connected to the top of the filter screen (4022).

5. A desulfurization tower for producing refractory materials according to claim 4, characterized in that: A plug-in slot is provided on the top of the filter box (4021), and the filter screen (4022) is plugged into the inside of the plug-in slot.

6. A desulfurization tower for producing refractory materials according to claim 3, characterized in that: The desulfurization unit comprises a first liquid inlet pipe (405), a rotary bearing (406), a T-shaped connecting pipe (407), and an atomizing nozzle (408). The first liquid inlet pipe (405) is fixedly connected to the middle of the desulfurization tower (2), and its right end extends into the interior of the desulfurization tower (2). The rotary bearing (406) is installed inside the bottom of the first liquid inlet pipe (405). The top of the T-shaped connecting pipe (407) is rotatably connected to the interior of the rotary bearing (406). Two groups of the atomizing nozzles (408) are respectively fixedly connected to the left and right sides of the bottom of the T-shaped connecting pipe (407).

7. The desulfurization tower for producing refractory materials according to claim 3, characterized in that: The secondary desulfurization unit comprises a second liquid inlet pipe (409), a shower nozzle (410), and a gas equalizing plate (411); the second liquid inlet pipe (409) is fixedly connected to the top of the desulfurization tower (2), and its right end extends into the interior of the desulfurization tower (2); the shower nozzle (410) is fixedly connected to one end of the second liquid inlet pipe (409); and the gas equalizing plate (411) is fixedly connected to the upper middle portion of the interior of the desulfurization tower (2).

8. The desulfurization tower for producing refractory materials according to claim 1, characterized in that: An exhaust hole is provided at the top of the desulfurization tower (2), and a swirl plate (5) is installed at the top of the interior of the desulfurization tower (2).

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