Tail gas treatment equipment for refined sulfanilamide production line

Abstract

The utility model relates to the technical field of tail gas treatment, and discloses tail gas treatment equipment for a refined sulfanilamide production line, which comprises a spray tower, a gas inlet pipe is fixedly connected to the side wall of the spray tower, an impurity removal mechanism is arranged in the gas inlet pipe, a water storage tank is arranged at the bottom of the spray tower, and a filter drawer is slidably connected to the inside of the water storage tank. A positioning mechanism is arranged at the top of the water storage tank, and a spraying mechanism is arranged on the side wall of the water storage tank; and the impurity removing mechanism comprises a fixing ring, a separation net is fixedly connected into the fixing ring, the side wall of the fixing ring is slidably connected into the air inlet pipe, a handle is fixedly connected to the side wall of the fixing ring, and a sleeve is fixedly connected into the air inlet pipe. According to the utility model, particulate matters carried in the tail gas are firstly intercepted by the separation net to prevent the particulate matters from entering the spray tower to cause pollution, after the work is finished, the separation net can be detached to be cleaned, and the particulate matters are effectively blocked by the separation net to prevent the particulate matters from entering the spray tower.

Description

TECHNICAL FIELD

[0001] The utility model relates to tail gas treatment technical field especially relates to a tail gas treatment equipment for fine sulfonamide production line. BACKGROUND

[0002] As an important pharmaceutical intermediate, fine sulfonamide is widely used in the synthesis of sulfonamide drugs, and its production process involves various chemical reactions and complex processes. In the industrialized production line of fine sulfonamide, tail gas containing organic gas, acid gas and particulate matter is often released during the reaction process. If these tail gases are directly discharged without treatment, they will pollute the environment and even harm the health of the operators. Therefore, in order to meet the environmental emission standards and ensure production safety, tail gas treatment equipment is usually used in fine sulfonamide production line to effectively purify and discharge the generated waste gas.

[0003] The utility model discloses a kind of tail gas treatment spray towers, and it relates to tail gas treatment technical field, including the spray tower of the drain pipe connected with bottom, the outer wall of the spray tower one end is installed with the liquid supply pipe extending to the inside of the spray tower, the inside of the spray tower is connected with the spray pipe in the outer wall one end of the liquid supply pipe, the bottom end of the spray pipe is connected with a plurality of atomizing nozzles.The utility model discloses by setting up anti-blocking mechanism, it is provided that high-pressure spray liquid to spray pipe by liquid supply pipe, while the high-pressure spray liquid in liquid supply pipe flows, the spray liquid drives fan blade to rotate, the fan blade drives stirring shaft to rotate, while stirring shaft drives connecting frame to rotate, connecting frame drives scraper to rotate, so that the inner wall of spray tower is scraped and cleaned by scraper, avoid dust to be covered in the inner wall of spray tower, the patent although reached the effect of cleaning inner wall dust, but it does not consider that the treatment effect is influenced by the problem that particulate impurities doped in waste gas directly into the inside of spray tower, so a kind of tail gas treatment equipment for fine sulfonamide production line is presented to solve the above problems. UTILITY MODEL CONTENTS

[0004] In order to make up for the above shortcomings, the utility model provides a tail gas treatment equipment for fine sulfonamide production line, which aims to improve the problem that particulate impurities doped in waste gas directly into the inside of spray tower affect the treatment effect in the prior art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A kind of tail gas treatment equipment for fine sulfonamide production line, including spray tower, the side wall of the spray tower is fixedly connected with air inlet pipe, the air inlet pipe is provided with impurity removal mechanism inside, the bottom of the spray tower is provided with water storage tank, the filter drawer is slidably connected in the water storage tank, the top of the water storage tank is provided with positioning mechanism, the side wall of the water storage tank is provided with spray mechanism;The impurity removal mechanism includes fixed ring and screen, the screen is fixedly connected inside the fixed ring, the side wall of the fixed ring is slidably connected inside the air inlet pipe, the side wall of the fixed ring is fixedly connected with handle, the air inlet pipe is fixedly connected with sleeve inside, the sleeve is slidably connected with clamping block inside, the sleeve is provided with first spring inside, the side wall of the clamping block is slidably connected inside the fixed ring, when waste gas passes through screen, screen can block the particulate matter carried in waste gas, avoid its following gas into the inside of spray tower, to affect the subsequent processing effect.

[0007] As further description of the above technical solutions:

[0008] One end of the first spring is fixedly connected inside the sleeve, and the other end of the first spring is fixedly connected to the side wall of the clamping block.

[0009] As further description of the above technical solutions:

[0010] The top of the spray tower is fixedly connected with a discharge pipe, the inside of the discharge pipe is fixedly connected with an activated carbon plate, the top of the spray tower is fixedly connected with a baffle, the baffle is arranged on the top of the discharge pipe, and the activated carbon plate is used to adsorb harmful substances in the gas.

[0011] As further description of the above technical solutions:

[0012] The positioning mechanism includes a fixed frame, the side wall of the fixed frame is fixedly connected to the top of the water storage tank, the inside of the fixed frame is slidably connected with a fixed pin, the side wall of the fixed pin is fixedly connected with a limiting plate, the side wall of the fixed pin is sleeved with a second spring, and the top of the fixed frame is fixedly connected with a horizontal rod, the position of the filter drawer can be limited by the positioning mechanism.

[0013] As further description of the above technical solutions:

[0014] The limiting plate is arranged below the fixed frame, and the recess is formed in the inside of the filter drawer, and the limiting plate limits the rising distance of the fixed pin.

[0015] As further description of the above technical solutions:

[0016] One end of the second spring is fixedly connected to the side wall of the limiting plate, and the other end of the second spring is fixedly connected to the bottom of the fixed frame, and the spring has the effect of automatically resetting the fixed pin.

[0017] As further description of the above technical solutions:

[0018] The fixed pin side wall is slidably connected inside the recess, and the limiting plate side wall is attached to the filter drawer, and the position of the filter drawer is locked by the fixed pin.

[0019] Further description of the above technical solution:

[0020] The spraying mechanism comprises a shunt pipe and a spray head, the shunt pipe is arranged inside the spraying tower, the spray head is arranged inside the shunt pipe, the side wall of the water storage tank is provided with a water pump, the output end of the water pump is fixedly connected with a water outlet pipe, one end of the water outlet pipe penetrates through the side wall of the spraying tower and is connected with the shunt pipe, the washing liquid in the water tank is pumped out by the water pump, and finally sprayed out through the spray head, so that the exhaust gas is sprayed.

[0021] The utility model has the advantages of the following beneficial effects:

[0022] 1、The particulate matter carried in the tail gas is first intercepted by the separation net, preventing pollution caused by entering the spraying tower, after work is completed, the fixed ring can be taken out by pulling the handle to clean the blockage, when the fixed ring is pushed back after cleaning is completed, the spring and the clamping block are automatically extruded, when the slot hole is aligned with the clamping block, the spring resets to push the clamping block into the slot hole, automatic locking is realized, the above-mentioned structure is matched, particulate matter is effectively blocked, the tail gas is prevented from entering the spraying tower, the difficulty of subsequent cleaning work is reduced, and the efficiency of subsequent cleaning is improved.

[0023] 2、The utility model discloses an improve water pump draws the washing liquid in the water storage tank, enters the shunt pipe through the water outlet pipe, and finally sprays through the spray head, and the exhaust gas is sprayed to remove the fine dust therein, the dust washing liquid slides downward by the force, and is filtered by the filter drawer and then flows back to the water storage tank, realizing recycling, the above-mentioned structure is matched, the washing liquid flows back to the water storage tank after being filtered by the filter drawer, recycling is realized, and the cost of the washing liquid is saved.

[0024] 3、The utility model discloses a tail gas treatment equipment for fine sulfonamide production line, which comprises a spraying tower, a filter drawer is arranged in the spraying tower, a separation net is arranged on the side wall of the filter drawer, a fixed ring is arranged on the side wall of the filter drawer, a fixed pin is arranged in the fixed ring, a limiting plate is arranged on the side wall of the fixed ring, and a fixed frame is arranged on the side wall of the fixed ring. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 A three-dimensional schematic view of the tail gas treatment equipment for the fine sulfonamide production line is provided for the utility model;

[0026] Figure 2 A structure schematic view of the impurity removal mechanism of the tail gas treatment equipment for the fine sulfonamide production line is provided for the utility model;

[0027] Figure 3 A spray tower sectional view of a tail gas treatment equipment for a fine sulfonamide production line is provided in the utility model;

[0028] Figure 4 A positioning mechanism structure schematic view of a tail gas treatment equipment for a fine sulfonamide production line is provided in the utility model.

[0029] Legend:

[0030] 1, spray tower; 2, inlet pipe; 3, fixed ring; 4, screen; 5, handle; 6, sleeve; 7, clamping block; 8, first spring; 9, discharge pipe; 10, activated carbon plate; 11, baffle; 12, water storage tank; 13, filter drawer; 14, fixed pin; 15, fixed frame; 16, limit plate; 17, second spring; 18, cross bar; 19, concave hole; 20, water pump; 21, water outlet pipe; 22, shunt pipe; 23, spray head. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0032] Reference Figures 1-2The utility model provides an embodiment: a kind of tail gas treatment equipment for fine sulfonamide production line, including spray tower 1, for carrying out preliminary liquid washing and absorption treatment to tail gas, and the side wall of spray tower 1 is fixedly connected with air inlet pipe 2, for guiding the tail gas containing impurities to enter inside spray tower 1, air inlet pipe 2 inside is provided with impurity removal mechanism, can effectively intercept and initially filter larger particle impurities in tail gas, spray tower 1 bottom is provided with water storage tank 12, for collecting and storing the waste liquid generated in washing process, convenient recycling or subsequent discharge treatment, water storage tank 12 inside is slidably connected with filter drawer 13, further filter the role of residual solid impurities in waste liquid, improve water quality stability of water storage tank 12, water storage tank 12 top is provided with positioning mechanism, ensure the stability of filter drawer 13, water storage tank 12 side wall is provided with spray mechanism, for carrying out spray treatment to gas in water storage tank 12, improve overall purification efficiency;Impurity removal mechanism includes fixed ring 3 and screen 4, and screen 4 is fixedly connected inside fixed ring 3, and screen 4 can efficiently block large particle impurities, prevent its from entering inside spray tower 1, and the side wall of fixed ring 3 is slidably connected inside air inlet pipe 2, and the side wall of fixed ring 3 is fixedly connected with handle 5, convenient to disassemble and clean, improve equipment maintenance convenience, air inlet pipe 2 inside is fixedly connected with sleeve 6, sleeve 6 inside is slidably connected with clamping block 7, for fixing and limiting the position of fixed ring 3, enhance structural stability, sleeve 6 inside is provided with first spring 8, the side wall of clamping block 7 is slidably connected inside fixed ring 3, one end of first spring 8 is fixedly connected inside sleeve 6, the other end of first spring 8 is fixedly connected in the side wall of clamping block 7, reach the function that make clamping block 7 automatic reset;

[0033] Referring to Figures 1-3The utility model provide another embodiment: spray tower 1 top fixedly connected with discharge pipe 9 for guiding gas discharge, discharge pipe 9 inside fixedly connected with activated carbon plate 10 for adsorbing harmful gas component in waste gas, realize gas purification, spray tower 1 top fixedly connected with fender 11, fender 11 set up in discharge pipe 9 top, can prevent foreign matter from entering discharge pipe 9, ensure that the exhaust is unobstructed and safe, positioning mechanism includes fixed frame 15, and fixed frame 15 side wall fixedly connected at water storage tank 12 top, and fixed frame 15 inside slidingly connected with fixed pin 14, and fixed pin 14 side wall fixedly connected with limit board 16, and fixed pin 14 side wall is equipped with second spring 17, can realize adaptive elastic positioning, prevent filter drawer 13 loose or fall off, and fixed frame 15 top fixedly connected with cross bar 18, and limit board 16 set up below fixed frame 15 for forming limit constraint, improve overall locking effect, and filter drawer 13 inside is set with recess 19, and second spring 17 one end fixedly connected in limit board 16 side wall, and second spring 17 other end fixedly connected in fixed frame 15 bottom, and fixed pin 14 side wall slidingly connected in recess 19 inside, and limit board 16 side wall is pasted with filter drawer 13, ensure that filter drawer 13 is always stable fixed in the use process, and spray mechanism includes shunt pipe 22 and spray head 23, and shunt pipe 22 sets up in spray tower 1 inside, and spray head 23 sets up in shunt pipe 22 inside, for evenly distributing the water in water storage tank 12 to the tower and carries out spray, enhances waste gas washing capacity, and water storage tank 12 side wall is provided with water suction pump 20, and water suction pump 20 output end fixedly connected with water outlet pipe 21, and water outlet pipe 21 one end penetrates spray tower 1 side wall and is connected with shunt pipe 22, forms stable water circulation path, ensures the continuous operation and efficiency of spray work.

[0034] Working principle: when the device is used to treat the tail gas generated in the production line of fine sulfonamide, first, the tail gas pipe is connected with the air inlet pipe 2, so that the tail gas enters the inside of the spray tower 1 through the air inlet pipe 2, when the tail gas passes through the screen 4, the particles carried in the tail gas are blocked by the screen 4, so as to avoid affecting the subsequent gas treatment, after the work is finished, the fixed ring 3 can be pulled out of the air inlet pipe 2 by pulling the handle 5, so as to clean the blocked particles, after cleaning, the fixed ring 3 is pushed back into the air inlet pipe 2, in the pushing process, the fixed ring 3 extrudes the clamping block 7, so that the clamping block 7 slides upward, and the first spring 8 is extruded to deform, when the groove hole at the top of the fixed ring 3 moves to the lower side of the clamping block 7, the first spring 8 loses the extrusion pressure, pushes the clamping block 7 to reset, and clamps the fixed ring 3 in the groove hole, after the tail gas is treated by removing impurities, the washing liquid in the water storage tank 12 is pumped out through the water pump 20, and enters the shunt pipe 22 through the water outlet pipe 21, and finally is sprayed out by the spray head 23, so as to spray the tail gas and remove the fine dust in the tail gas, the sprayed washing liquid carries the dust and falls downward, and is filtered by the filter drawer 13 and returned to the inside of the water storage tank 12 for reuse, the tail gas treated by washing treatment floats upward and is discharged from the discharge pipe 9, in the discharging process, the activated carbon plate 10 in the discharge pipe 9 absorbs the harmful substances in the tail gas, so as to ensure the treatment effect of the tail gas, after all the work is finished, the horizontal rod 18 is pulled upward, so that the fixed pin 14 slides upward in the fixed frame 15, and the second spring 17 is extruded by the limiting plate 16 to deform, when the fixed pin 14 moves out of the recessed hole 19, the filter drawer 13 is limited, and can be pulled out of the inside of the water storage tank 12, so as to clean the dust on the surface of the filter screen for subsequent use of the device.

[0035] Finally, it should be pointed out that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A tail gas treatment device for a fine sulfonamide production line, comprising a spray tower (1), characterized in that: The spray tower (1) is fixedly connected with an air inlet pipe (2) on the side wall, the air inlet pipe (2) is internally provided with a impurity removal mechanism, the spray tower (1) is provided with a water storage tank (12) at the bottom, the water storage tank (12) is internally slidably connected with a filter drawer (13), the water storage tank (12) is provided with a positioning mechanism on the top, and the water storage tank (12) is provided with a spraying mechanism on the side wall. The impurity removal mechanism comprises a fixed ring (3) and a separation net (4), the separation net (4) is fixedly connected inside the fixed ring (3), the fixed ring (3) is slidably connected inside the air inlet pipe (2), the fixed ring (3) is fixedly connected with a handle (5) on the side wall, the air inlet pipe (2) is fixedly connected with a sleeve (6) inside, the sleeve (6) is slidably connected with a clamping block (7) inside, the sleeve (6) is provided with a first spring (8) inside, and the clamping block (7) is slidably connected inside the fixed ring (3).

2. The tail gas treatment equipment for a fine sulfonamide production line according to claim 1, characterized by: One end of the first spring (8) is fixedly connected inside the sleeve (6), and the other end of the first spring (8) is fixedly connected to the side wall of the clamping block (7).

3. The tail gas treatment equipment for a fine sulfonamide production line according to claim 1, characterized by: The spray tower (1) is fixedly connected with a discharge pipe (9) on the top, the discharge pipe (9) is fixedly connected with an activated carbon plate (10) inside, the spray tower (1) is fixedly connected with a blocking frame (11) on the top, and the blocking frame (11) is arranged on the top of the discharge pipe (9).

4. The tail gas treatment equipment for a fine sulfonamide production line according to claim 1, characterized by: The positioning mechanism comprises a fixed frame (15), the fixed frame (15) is fixedly connected on the top of the water storage tank (12) on the side wall, the fixed frame (15) is slidably connected with a fixed pin (14) inside, the fixed pin (14) is fixedly connected with a limiting plate (16) on the side wall, the fixed pin (14) is sleeved with a second spring (17) on the side wall, and the fixed frame (15) is fixedly connected with a horizontal rod (18) on the top.

5. The tail gas treatment apparatus for a fine sulfonamide production line according to claim 4, characterized by: The limiting plate (16) is arranged below the fixed frame (15), and the filter drawer (13) is internally provided with a recess (19).

6. The tail gas treatment equipment for a fine sulfonamide production line according to claim 5, characterized by: One end of the second spring (17) is fixedly connected to the side wall of the limiting plate (16), and the other end of the second spring (17) is fixedly connected to the bottom of the fixed frame (15).

7. The tail gas treatment equipment for a fine sulfonamide production line according to claim 6, characterized by: The fixed pin (14) is slidably connected inside the recess (19), and the limiting plate (16) is attached to the filter drawer (13) on the side wall.

8. The tail gas treatment equipment for a fine sulfonamide production line according to claim 1, characterized by: The spraying mechanism comprises a shunt pipe (22) and a spray head (23), the shunt pipe (22) is arranged inside the spray tower (1), the spray head (23) is arranged inside the shunt pipe (22), the water storage tank (12) is provided with a water pump (20) on the side wall, the water pump (20) is fixedly connected with a water outlet pipe (21) at the output end, and one end of the water outlet pipe (21) penetrates through the side wall of the spray tower (1) and is connected with the shunt pipe (22).

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