Tail gas treatment and recovery box for production of diguanide phosphate

Abstract

The utility model discloses a tail gas treatment and recovery box for diguanide phosphate production. The tail gas treatment and recovery box comprises a gas inlet pipe, a gas inlet pump, a gas storage tank, a water injection pipe, a water inlet pump, a water storage tank, an exhaust pump, an exhaust pipe, a drainage pump, a drainage pipe, a reaction kettle, a fan, a discharge pump, a discharge pipe, a box body, a fixing strip, a PH detector and a controller, the equipment is provided with a gas storage tank, a water storage tank and a reaction kettle, in order to recover tail gas to obtain an available weak acid solution, an exhaust pump and a drainage pump are arranged on an exhaust pipe of the gas storage tank and a drainage pipe of the water storage tank respectively and used for controlling the amount of tail gas and the amount of water entering the reaction kettle respectively, and meanwhile a PH detector is arranged on the inner wall of the reaction kettle. Detecting the acid-base property of the weak acid dissolved in the reaction kettle in real time to obtain an available weak acid solution, and reprocessing the weak acid solution to obtain a crude product diguanide phosphate; the purpose of recycling the tail gas is achieved, waste of resources is reduced, and environmental pollution is avoided.

Description

TECHNICAL FIELD

[0001] The application relates to the field of phosphoric acid diguanide production, and particularly relates to a phosphoric acid diguanide production tail gas treatment and recovery tank. BACKGROUND

[0002] Hydrochloric acid is an aqueous solution of hydrogen chloride gas, belongs to monobasic inorganic strong acid, and is widely used in industry; a large amount of tail gas containing a large amount of available hydrogen chloride gas is generated in the preparation process of phosphoric acid diguanide, if the tail gas is directly discharged, not only resource waste but also environmental pollution will be caused, therefore, the tail gas needs to be recovered, and the above problems are solved by providing a phosphoric acid diguanide production tail gas treatment and recovery tank. CONTENT OF THE UTILITY MODEL

[0003] The application provides a phosphoric acid diguanide production tail gas treatment and recovery tank, the device is provided with a gas storage tank, a water storage tank and a reaction kettle, in order to be able to recover the tail gas to obtain available weak acid solution (mainly hydrogen chloride solution), an exhaust pump and a water pump are arranged on an exhaust pipe of the gas storage tank and a drain pipe of the water storage tank respectively, and the exhaust pump and the water pump are respectively used to control the amount of tail gas and water entering the reaction kettle, meanwhile, a PH detector is arranged on the inner wall of the reaction kettle, the acidity and alkalinity of the dissolved weak acid (mainly hydrogen chloride solution) in the reaction kettle are detected in real time, available weak acid solution (mainly hydrogen chloride solution) is obtained, and the available weak acid solution (mainly hydrogen chloride solution) can be used to process crude phosphoric acid diguanide; the purpose of tail gas recovery and reuse is achieved, resource waste is reduced, and environmental pollution is not caused.

[0004] The application provides a phosphoric acid diguanide production tail gas treatment and recovery tank, which comprises an air inlet pipe, an air inlet pump is arranged on the air inlet pipe, one end of the air inlet pipe is connected with a gas storage tank, the gas storage tank is connected with an exhaust pipe, an exhaust pump is installed on the exhaust pipe, one end of the exhaust pipe is connected with a reaction kettle, a PH detector is arranged on the inner wall of the reaction kettle, the top of the reaction kettle is connected with a drain pipe, a water discharge pump is installed on the drain pipe, one end of the drain pipe is connected with a water storage tank, a water inlet pipe is connected with one side of the water storage tank, and a water inlet pump is arranged on the water inlet pipe.

[0005] A discharge pipe is connected with the bottom of the reaction kettle, and a discharge pump is arranged on the discharge pipe.

[0006] The gas storage tank, the water storage tank and the reaction kettle are all welded in the same tank body, a fan is installed on the tank body, fixed strips are fixed on the two sides of the tank body, and a controller is installed on one side of the tank body.

[0007] Further, the fixed strips are both provided with two holes at the two ends.

[0008] Further, the fan is arranged in parallel with the reaction kettle in a position corresponding to the reaction kettle.

[0009] Further, the bottom of the tank body is in a "conical type".

[0010] Further, the air inlet pump, water inlet pump, air outlet pump, water outlet pump, material outlet pump and PH detector are electrically connected with the same controller.

[0011] Further, the controller is provided with a control button and a display.

[0012] From the above technical solution, the application provides a tail gas treatment and recovery tank for the production of phosphoric acid diguanide, which comprises an air inlet pipe, a tail gas recovery channel, a gas storage tank for storing the recovered tail gas, an air inlet pump arranged on the air inlet pipe to facilitate the tail gas into the gas storage tank and prevent the backflow of the tail gas, an air inlet pipe connected with the gas storage tank, a tail gas storage device for storing the tail gas, a gas discharge pipe connected with the gas storage tank, a tail gas discharge channel for discharging the tail gas from the gas storage tank to the next processing link, an air outlet pump installed on the gas discharge pipe, a tail gas discharge control device for controlling the discharge of a certain amount of tail gas according to the requirement, a reaction kettle connected with one end of the gas discharge pipe, a reaction container for dissolving the tail gas in water, a PH detector arranged on the inner wall of the reaction kettle for monitoring the acidity and alkalinity of the weak acid solution after dissolution in the reaction kettle in real time, a water discharge pipe communicated with the top of the reaction kettle, a water discharge channel for discharging the water absorbing the tail gas, a water discharge pump installed on the water discharge pipe for controlling the amount of water discharged into the reaction kettle, a water storage tank connected with one end of the water discharge pipe, a water storage container for storing water, a water injection pipe communicated with one side of the water storage tank, a water injection channel in the water storage tank, a water inlet pump arranged on the water injection pipe for controlling the injection of water into the water storage tank to prevent too much water from being injected and causing adverse effects such as water leakage, a material discharge pipe communicated with the bottom of the reaction kettle, a weak acid solution (mainly hydrogen chloride solution) discharge channel for discharging the weak acid solution (mainly hydrogen chloride solution) after complete reaction and dissolution, for discharging the weak acid solution (mainly hydrogen chloride solution) to the next link, a material discharge pump arranged on the material discharge pipe for controlling the discharge amount of the weak acid solution (mainly hydrogen chloride solution), cooperating with the next link to discharge an appropriate amount of weak acid solution (mainly hydrogen chloride solution) according to the requirement, performing the next link processing, preventing the weak acid solution (mainly hydrogen chloride solution) from being excessive, causing adverse effects, affecting the progress and reducing the work efficiency.

[0013] The reaction kettle is connected with the bottom of the reaction kettle, a weak acid solution (mainly hydrogen chloride solution) discharge channel for discharging the weak acid solution (mainly hydrogen chloride solution) after complete reaction and dissolution, for discharging the weak acid solution (mainly hydrogen chloride solution) to the next link, a material discharge pump arranged on the material discharge pipe for controlling the discharge amount of the weak acid solution (mainly hydrogen chloride solution), cooperating with the next link to discharge an appropriate amount of weak acid solution (mainly hydrogen chloride solution) according to the requirement, performing the next link processing, preventing the weak acid solution (mainly hydrogen chloride solution) from being excessive, causing adverse effects, affecting the progress and reducing the work efficiency.

[0014] The gas tank, water storage tank and reaction kettle are welded in the same box body, the gas tank, water storage tank and reaction kettle are combined in one piece, convenient operation control, the box body is provided with a fan, the reaction kettle and the box body are treated in real time cooling, because a large amount of heat is released when tail gas is dissolved in water, in order to avoid unnecessary influence, the fan is arranged to treat the reaction kettle in real time cooling, the box body is fixed with a fixed strip on both sides, which plays a fixing role, and the device can be fixed in the required place, avoiding narrow storage space and no place to place, one side of the box body is provided with a controller, which controls the working state of the air inlet pump, water inlet pump, exhaust pump, water outlet pump and discharge pump and displays the PH detection feedback result.

[0015] In summary, the beneficial effects of the present application are as follows:

[0016] 1. A fan is arranged at the corresponding position of the reaction kettle, because tail gas is easily dissolved in water, but a large amount of heat is released when it is dissolved in water, to prevent burns, explosions and other adverse effects, a fan is arranged at the corresponding position of the reaction kettle to treat it in real time cooling.

[0017] 2. An exhaust pipe and a water outlet pipe are arranged with an exhaust pump and a water outlet pump respectively, which are used to control the amount of tail gas and water entering the reaction kettle, so as to obtain a usable weak acid solution (mainly hydrogen chloride solution) by dissolution, which is used to prepare crude phosphoric acid di-guanide.

[0018] 3. The reaction kettle wall is provided with a PH detector, which detects in real time and transmits data to the controller, and then controls the injection amount of tail gas and water through the controller, and displays the acidity and alkalinity of the weak acid solution (mainly hydrogen chloride solution) after dissolution in real time, so as to obtain a usable weak acid solution (mainly hydrogen chloride solution), which is simple to operate and has low risk. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the present application, the following will briefly introduce the drawings needed in the implementation examples. Obviously, for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0020] Figure 1 The structure of the present application is shown in the figure.

[0021] Illustration:

[0022] Among them, 1-inlet pipe, 2-inlet pump, 3-gas tank, 4-water inlet pipe, 5-water inlet pump, 6-water storage tank, 7-exhaust pump, 8-exhaust pipe, 9-water outlet pump, 10-water outlet pipe, 11-reaction kettle, 12-fan, 13-discharge pump, 14-discharge pipe, 15-support frame, 16-fixing strip, 17-controller. DETAILED DESCRIPTION

[0023] In order for those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings.

[0024] From the above technical solutions, it can be seen that:

[0025] Embodiment 1:

[0026] Referring to Figure 1 .

[0027] A phosphoric acid diguanide production tail gas treatment and recovery tank, comprising, an air inlet pipe 1, a tail gas recovery channel, the tail gas is recovered to the gas storage tank 3 for storage, the air inlet pipe 1 is provided with an air inlet pump 2, the tail gas is promoted to enter the gas storage tank 3, the tail gas is prevented from flowing back, and adverse effects are prevented, one end of the air inlet pipe 1 is connected with the gas storage tank 3, a tail gas storage device, for accommodating the tail gas, the gas storage tank 3 is communicated with an exhaust pipe 8, a tail gas discharge channel, the tail gas is discharged from the gas storage tank 3 and enters the next processing link, the exhaust pipe 8 is provided with an exhaust pump 7, a tail gas discharge control device, according to the requirement, a certain amount of tail gas is discharged, and strong support is provided for obtaining usable weak acid solution (mainly hydrogen chloride solution), one end of the exhaust pipe 8 is connected with a reaction kettle 11, a tail gas gas dissolving in water reaction container, a PH detector is arranged on the inner wall of the reaction kettle 11, the acidity and alkalinity of the weak acid solution (mainly hydrogen chloride solution) after dissolution in the reaction kettle 11 are monitored in real time, the PH value is fed back, the top of the reaction kettle 11 is communicated with a drain pipe 10, a water discharge channel for absorbing tail gas, the drain pipe 10 is provided with a drain pump 9, the amount of water discharged into the reaction kettle 11 is controlled, and strong support is provided for obtaining usable weak acid solution (mainly hydrogen chloride solution), one end of the drain pipe 10 is communicated with a water storage tank 6, a water storage container, for storing water, one side of the water storage tank 6 is communicated with a water injection pipe 4, a water injection channel in the water storage tank 4, the water injection pipe 4 is provided with a water inlet pump 5, the injection of water into the water storage tank 6 is controlled, and adverse effects such as water leakage are prevented when too much water is injected;

[0028] The bottom of the reaction kettle 11 is communicated with a discharge pipe 14, a weak acid solution (mainly hydrogen chloride solution) discharge channel after complete reaction and dissolution, for discharging the weak acid solution (mainly hydrogen chloride solution) so that it enters the next link, the discharge pipe 14 is provided with a discharge pump 13, for controlling the discharge amount of the weak acid solution (mainly hydrogen chloride solution), cooperating with the next link, discharging an appropriate amount of weak acid solution (mainly hydrogen chloride solution) according to the requirement, carrying out the next link processing, preventing the weak acid solution (mainly hydrogen chloride solution) from being excessive, preventing adverse effects, affecting the progress, and reducing the work efficiency;

[0029] The gas storage tank 3, the water storage tank 6 and the reaction kettle 11 are welded in the same box body 15, the gas storage tank 3, the water storage tank 6 and the reaction kettle 11 are combined in one piece, convenient operation control, the box body 15 is provided with a fan 12, the reaction kettle 11 and the box body 15 are cooled in real time, because a large amount of heat is released when the tail gas is dissolved in water, in order to avoid unnecessary influence, the fan 12 is arranged to cool the reaction kettle 11 in real time, the box body 15 is fixed with a fixed strip 16 on both sides, which plays a fixing role, and can fix the equipment in the place required, avoid stacking in a small space, and have no place to settle, one side of the box body 15 is provided with a controller 17, which controls the working state of the air inlet pump 2, the water inlet pump 5, the exhaust pump 7, the water pump 9 and the discharge pump 13 and displays the PH detection feedback result.

[0030] As a preferred embodiment, the fixed strip 16 has two holes at both ends, which can be selected according to the actual situation to regulate the equipment and reduce the limitations of installation and fixation.

[0031] As a preferred embodiment, the fan 12 corresponds to the position of the reaction kettle 11 and is arranged in parallel, the fan 12 corresponds to the reaction kettle 11, and the reaction kettle 11 is cooled in real time to avoid the adverse effects caused by the high temperature of the reaction kettle 11 when the tail gas is dissolved in water.

[0032] As a preferred embodiment, the bottom of the box body 15 is "conical", which is conducive to the clean discharge of weak acid solution (mainly hydrogen chloride solution), and also facilitates cleaning, prevents too much weak acid solution (mainly hydrogen chloride solution) from being discharged and remaining in the reaction kettle 11, causing resource waste and affecting reuse.

[0033] As a preferred embodiment, the air inlet pump 2, the water inlet pump 5, the exhaust pump 7, the water pump 9, the discharge pump 13 and the PH detector are electrically connected with the same controller 17, which is convenient for operation.

[0034] As a preferred embodiment, the controller 17 has control buttons and a display, which is convenient for controlling the discharge and discharge amount of the tail gas and water, the discharge amount of the weak acid solution (mainly hydrogen chloride solution), and the real-time display of the acidity and alkalinity of the weak acid solution (mainly hydrogen chloride solution), which is conducive to obtaining the available weak acid solution (mainly hydrogen chloride solution).

[0035] Other embodiments of the application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. It is intended that the application embrace any and all variations of the application that fall within the generic scope of the application and include individual features of the application, individually or in any combination with one another, as well as equivalents thereof. The specification and examples are illustrative only and not intended to be limiting on the true scope of the application, which is set forth in the claims.

[0036] It should be understood that the application is not limited to the precise construction that has been described above and shown in the accompanying drawings, and that various modifications and changes can be made by those skilled in the art without departing from the scope of the application. The foregoing described embodiments of the application are not to be construed as limiting the application.

Claims

1. A phosphoric acid diamine production tail gas treatment recovery tank, characterized by, The utility model relates to a kind of chemical reaction device, including, air inlet pipe (1), the air inlet pipe (1) is equipped with air inlet pump (2), the air inlet pipe (1) one end is communicated with gas storage tank (3), the gas storage tank (3) is communicated with exhaust pipe (8), the exhaust pipe (8) is installed with exhaust pump (7), the exhaust pipe (8) one end is connected with reaction kettle (11), the reaction kettle (11) inner wall is provided with PH detector, the reaction kettle (11) top is communicated with drain pipe (10), the drain pipe (10) is installed with water pump (9), the drain pipe (10) one end is connected with water storage tank (6), the water storage tank (6) one side is communicated with water injection pipe (4), the water injection pipe (4) is equipped with water inlet pump (5); The reaction kettle (11) bottom is communicated with discharge pipe (14), and the discharge pipe (14) is provided with discharge pump (13). The gas storage tank (3), the water storage tank (6) and the reaction kettle (11) are welded in the same box (15), the box (15) is installed with fan (12), the box (15) both sides are respectively fixed with fixed strip (16), and the box (15) one side is installed with controller (17).

2. The recovery tank for treating the tail gas of the production of the phosphoric acid biguanide according to claim 1, characterized in that, The fixed strip (16) both ends have two holes.

3. The exhaust gas treatment and recovery tank for the production of phosphoric acid biguanide according to claim 1, characterized in that, The fan (12) corresponds to the position of the reaction kettle (11), and is arranged in parallel.

4. The exhaust gas treatment and recovery tank for the production of phosphoric acid biguanide according to claim 1, characterized in that, The bottom of the box (15) is "conical".

5. The exhaust gas treatment and recovery tank for the production of phosphoric acid biguanide according to claim 1, characterized in that, The air inlet pump (2), the water inlet pump (5), the exhaust pump (7), the water pump (9), the discharge pump (13) and the PH detector are electrically connected with the same controller (17).

6. The exhaust gas treatment and recovery tank for the production of phosphoric acid biguanide according to claim 5, characterized in that, The controller (17) has control button and display.

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