Tail gas absorption device in dye intermediate production process

Abstract

The utility model discloses a tail gas absorption device in a dye intermediate production process, and belongs to the technical field of tail gas treatment. Comprising a spray tower, a plurality of layers of supporting tables are arranged on the upper portion of the spraying tower, a spraying ring controlled by a motor to rotate is arranged on the upper portions of the supporting tables, and a plurality of sprayers with different distances to the axis of the spraying ring are arranged at the lower end of the spraying ring; the middle parts of the upper parts of the plurality of spraying rings are communicated with a circulating liquid supply mechanism through sealed bearings; after liquid is supplied to the spraying ring through the circulating liquid supply mechanism, the liquid can be sprayed out through the spray head, and then the motor is matched to drive the spraying ring to rotate, so that the spraying effect of the spraying tower is good, and no dead angle exists.

Description

TECHNICAL FIELD

[0001] The utility model provides a dye intermediate production process in tail gas absorption device belongs to tail gas treatment technical field. BACKGROUND

[0002] Dye intermediate is important raw material in the production of dyes and organic pigment, they are converted into finished dye through a series of chemical reactions, in the production process of dye intermediate, it will be accompanied by a variety of harmful gases, such as volatile organic compounds, acid gas, nitrogen oxide, etc., in order to ensure the safety and environmental protection of production process, harmful substances in waste gas will be treated by using tail gas absorption device.

[0003] At present, the tail gas produced in the operation of dye factory is treated by the process combination of spray tower and activated carbon adsorption, however, the spray head of the spray tower is only provided with one layer and is fixed in position, so that the spraying effect is poor when treating tail gas and some dead angles inevitably exist. UTILITY MODEL CONTENTS

[0004] The technical problem to be solved by the utility model is that the spraying effect of the spray tower is poor and some dead angles exist when the spray tower is used to treat tail gas in the dye factory.

[0005] In order to solve the above problems, the utility model provides a tail gas absorption device in the production process of dye intermediate, which comprises a spray tower, the gas outlet one of the spray tower is communicated with an activated carbon box through a gas pipe, the upper part of the spray tower is provided with a plurality of support tables, the upper part of the support table is provided with a spraying ring rotating controlled by a motor, the lower end of the spraying ring is provided with a plurality of spray heads with different distances from the axis of the spraying ring, and the upper middle part of the plurality of spraying rings is communicated with a circulating liquid supply mechanism through a sealed bearing.

[0006] As an improvement, the lower part of the spray tower is provided with an air inlet on one side;

[0007] As an improvement, the side of the activated carbon box away from the communicated gas pipe is provided with a gas outlet two;

[0008] As an improvement, the motor is arranged on the outside of the spray tower through a mounting table, and the output shaft penetrates through the spray tower, and the end of the output shaft located in the inside of the spray tower is provided with a gear one;

[0009] As an improvement, the lower end of the spraying ring is provided with a plurality of lower protruding rollers, and the upper end is provided with a gear two engaged with the gear one;

[0010] As an improvement, the circulating liquid supply mechanism comprises a liquid inlet pipe arranged on one side of the lower part of the spray tower, a valve is arranged on the liquid inlet pipe, a plurality of auxiliary water pipes are communicated with the upper middle part of the plurality of spraying rings, the plurality of auxiliary water pipes penetrate through the spray tower and are communicated with a main water pipe, the lower end of the main water pipe is communicated with the lower part of the spray tower, and a filter box and a pump body are arranged on the main water pipe.

[0011] The utility model discloses the beneficial effect of:

[0012] Through setting up the spray ring that rotates through the motor control on the upper portion of the spray tower, setting up several spray heads of unequal distance to the spray ring axis on the lower end of the spray ring, the upper middle part of several spray rings is connected through the sealed type bearing circulation liquid supply mechanism, so that the device when using, through the circulation liquid supply mechanism to spray ring liquid supply, liquid will be sprayed through the spray head, then cooperate motor drives the spray ring rotation, makes the spray effect of the spray tower, and there will be no dead angle. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the structural diagram of the tail gas absorption device in the dye intermediate production process of the utility model.

[0014] Figure 2 It is the internal structure schematic diagram of the spray tower of the tail gas absorption device in the dye intermediate production process of the utility model.

[0015] Figure 3 It is the spray ring schematic diagram of the tail gas absorption device in the dye intermediate production process of the utility model.

[0016] 1, spray tower, 101, gas outlet one, 102, gas inlet, 2, gas pipe, 3, activated carbon box, 301, gas outlet two, 4, support table, 5, motor, 501, mounting table, 502, gear one, 6, spray ring, 601, gyro wheel, 602, gear two, 7, spray head, 8, circulation liquid supply mechanism, 801, liquid inlet pipe, 802, auxiliary water pipe, 803, main water pipe, 804, filter box, 805, pump body. DETAILED DESCRIPTION

[0017] The utility model is further explained in connection with the drawings.

[0018] According to Figure 1The utility model provides a tail gas absorption device in dye intermediate production process as shown in 3: the utility model provides a tail gas absorption device in dye intermediate production process: including spray tower 1, the gas outlet one 101 of spray tower 1 is communicated active carbon tank 3 through air pipe 2, the upper portion of spray tower 1 is equipped with several layers of support platform 4, the upper portion of support platform 4 is equipped with the spray ring 6 of rotating control through motor 5, the lower end of spray ring 6 is equipped with several spray heads 7 to spray ring 6 axis distance is not equal, the upper middle part of several spray rings 6 is communicated circulation liquid supply mechanism 8 through sealing type bearing, through setting the spray ring 6 of rotating control through motor 5 on the upper portion of spray tower 1, setting several spray heads 7 to spray ring 6 axis distance is not equal on the lower end of spray ring 6, the upper middle part of several spray rings 6 is communicated circulation liquid supply mechanism 8 through sealing type bearing, make the device when using, after the liquid supply of circulation liquid supply mechanism 8 to spray ring 6, liquid will be sprayed through spray head 7, then cooperate motor 5 and drive spray ring 6 to rotate, make the spray effect of spray tower, and there is no dead angle,

[0019] According to Figure 1 As shown in 3: the lower portion one side of spray tower 1 is equipped with air inlet 102, in this way, tail gas can enter spray tower 1,

[0020] According to Figure 1 As shown in 3: the side of active carbon tank 3 away from the communication air pipe 2 is equipped with gas outlet two 301, in this way, after the gas treated through spray tower 1 enters active carbon tank 3, the gas after the impurity adsorption of active carbon can be discharged,

[0021] According to Figure 1 、 2 , 3 as shown: motor 5 is set on the outside of spray tower 1 through mounting table 501, and the output shaft penetrates spray tower 1, and one end of the output shaft of motor 5 located in the inside of spray tower 1 is equipped with gear one 502, the lower end of spray ring 6 is equipped with several lower protruding rollers 601, and the upper end is equipped with gear two 602 meshing with gear one 502, in this way, when starting motor 5, under the action of gear one 502 and gear two 602, cooperating with roller 602, can make spray ring 6 rotate, thereby driving spray head 7 to rotate,

[0022] According to Figure 1 、 2 , 3 as shown: circulation liquid supply mechanism 8 includes inlet pipe 801 set on the lower portion one side of spray tower 1, valve is equipped on inlet pipe 801, communicates several auxiliary water pipes 802 on the upper middle part of spray ring 6, several auxiliary water pipes 802 penetrate spray tower 1 and communicate main water pipe 803, the lower end of main water pipe 803 communicates the below of spray tower 1, and filter box 804 and pump body 805 are equipped on main water pipe 803, in this way, through starting valve, liquid can enter the inside of spray tower 1, then starting pump body 805, can make the liquid entering through main water pipe 803, auxiliary water pipe 802 into spray ring 6, and filter box 804 can capture the impurities when liquid passes.

[0023] The utility model discloses a principle: when using, first open the valve and make liquid into the spray tower 1, then start pump body 805, and pump body 805 will input the liquid through main water pipe 803, vice water pipe 802 into the spraying ring 6, and the liquid will be sprayed from the shower nozzle 7, then start motor 501, under the action of gear one 502, gear two 602, cooperate with the gyro wheel 602, can make the spraying ring 6 rotate, thereby drive the shower nozzle 7 to rotate, finally will the tail gas pipeline intercommunication inlet 102, when the tail gas enters, the liquid that sprays from the rotating shower nozzle 7 will be fully contacted with the waste gas, absorb or dissolve the impurity, then fall to the lower part of the spray tower 1, then after filtering down 804, re -spray, and the tail gas will pass through the gas outlet one 101, then through the gas pipe 2 into the activated carbon box 3, then after the activated carbon adsorbs the impurity, discharge.

[0024] The above describes the utility model and its implementation, and this kind of description has no limit, and the embodiment shown in the drawing is only one of the utility model, and the actual structure is not limited to this. In general, if the ordinary skilled person in the art is inspired, without departing from the utility model creation tenet, does not create the structure mode and the embodiment similar to this technical scheme without the creative design, should belong to the protection scope of the utility model.

Claims

1. A tail gas absorption device for the production process of dye intermediates, comprising a spray tower (1); characterized in that: The air outlet (101) of the spray tower (1) is connected to the activated carbon box (3) through the air pipe (2). The upper part of the spray tower (1) is provided with several layers of support platforms (4). The upper part of the support platform (4) is provided with a spray ring (6) that is controlled to rotate by a motor (5). The lower end of the spray ring (6) is provided with several nozzles (7) that are at different distances from the axis of the spray ring (6). The upper middle part of the spray ring (6) is connected to the circulating liquid supply mechanism (8) through a sealed bearing.

2. The tail gas absorption device in the production process of dye intermediates according to claim 1, characterized in that: The spray tower (1) is provided with an air inlet (102) on one side of its lower part.

3. The tail gas absorption device in the production process of dye intermediates according to claim 1, characterized in that: The activated carbon box (3) has an air outlet (301) on the side away from the connecting air pipe (2).

4. The tail gas absorption device in the production process of dye intermediates according to claim 1, characterized in that: The motor (5) is mounted on the outside of the spray tower (1) via a mounting platform (501), and its output shaft passes through the spray tower (1). The output shaft of the motor (5) is provided with a gear (502) at one end inside the spray tower (1).

5. The tail gas absorption device in the production process of dye intermediates according to claim 4, characterized in that: The lower end of the spray ring (6) is provided with several rollers (601) with protruding lower parts, and the upper end is provided with a gear two (602) that meshes with gear one (502).

6. The tail gas absorption device in the production process of dye intermediates according to claim 1, characterized in that: The circulating liquid supply mechanism (8) includes an inlet pipe (801) located on one side of the lower part of the spray tower (1). The inlet pipe (801) is equipped with a valve and connects to the auxiliary water pipes (802) at the middle of the upper part of several spray rings (6). Several auxiliary water pipes (802) pass through the spray tower (1) and connect to the main water pipe (803). The lower end of the main water pipe (803) connects to the bottom of the spray tower (1). The main water pipe (803) is equipped with a filter box (804) and a pump body (805).

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