Purification pretreatment device based on diethyltoluenediamine

Abstract

The utility model discloses a purification pretreatment device based on diethyltoluenediamine, and relates to the technical field of production and processing of chemical products. The device comprises a box body, and a filtering unit used for pretreating raw materials is arranged in the box body; the water tank is fixedly arranged on the box body; the spray head is arranged in the box body, the water tank is communicated with the spray head, and the spray head is used for spraying a pesticide into the box body; and the rotating piece is rotationally connected to the interior of the box body. The cleaning solvent in the water tank is uniformly sprayed on the surface of the stock solution through the spray head, the stock solution is stirred through the rotating piece, the cleaning solvent and the stock solution are uniformly mixed and stand for a period of time, soluble impurities can be deposited at the bottom of the box body, and the impurities enter the material collecting box to be collected through guiding of the main guiding plate and the auxiliary guiding plate, so that pretreatment of the impurities in the stock solution is completed. The quality of the purified stock solution is ensured, and the requirements of users are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to chemical product production and processing technical field, concretely is a kind of based on diethyl toluene diamine purification pretreatment device. BACKGROUND

[0002] Diethyl toluene diamine is an important organic compound, in polyurethane industry, as liquid steric hindrance type aromatic diamine chain extender, for improving the strength and hydrolysis resistance of product, also be used in the antioxidant protection of plastic, rubber, oil and other products.

[0003] When diethyl toluene diamine is purified, it needs to be pretreated, that is, raw material toluene diamine and diethyl toluene diamine solution are mixed together according to certain proportion to obtain the required concentration, and the pretreatment is completed by filtering plate, but in the mixing process, there may be soluble impurities and insoluble impurities, the filtering plate can only filter insoluble impurities, which will affect the purity of diethyl toluene diamine after purification, affect product quality, and block and corrode equipment, with safety hazard.

[0004] The reason for this problem is that the main target of purification is to obtain high-purity target compound. Only insoluble impurities are removed by sieve plate, and soluble impurities remain in solution, so these soluble impurities will coexist with target compound, thereby reducing the purity after purification and affecting the quality of final product. Soluble impurities can form precipitate or crystal in solution, accumulate in equipment for a long time, which can cause equipment blockage or corrosion. This not only affects the normal operation of equipment, but also threatens the safety of production, so there is limitation. Therefore, we propose a diethyl toluene diamine purification pretreatment device to solve the above problems. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a diethyl toluene diamine purification pretreatment device, which solves the problems that soluble impurities and insoluble impurities exist in the mixing process, the filtering plate can only filter insoluble impurities, which will affect the purity of diethyl toluene diamine after purification, affect product quality, and block and corrode equipment, with safety hazard.

[0006] To achieve the above purpose, the utility model realizes the following technical scheme: a diethyl toluene diamine purification pretreatment device, comprising a box body, a filtering unit for pretreating raw materials is arranged in the box body, and the filtering unit comprises;

[0007] A water tank is fixedly arranged on the box body;

[0008] A spray head is arranged in the interior of the box body, the water tank is communicated with the spray head, and the spray head is used for spraying medicament into the interior of the box body.

[0009] A rotating component, rotatably connected inside the housing, is used to uniformly mix the sprayed agent with the material.

[0010] Preferably, the rotating component includes;

[0011] The motor is fixedly connected to the housing;

[0012] A rotating shaft is vertically arranged inside the housing, and the output shaft of the motor is fixedly connected to the rotating shaft;

[0013] A rotating plate is set on the outer surface of the rotating shaft.

[0014] Preferably, a pressure pump is provided on one side of the water tank and is connected to the water tank, and a conduit is provided on the other side of the pressure pump and is connected to the conduit.

[0015] Preferably, a delivery pipe is fixedly connected to the upper end of the housing, the delivery pipe is connected to a conduit, and the nozzles are arranged at the bottom of the delivery pipe in a ring array.

[0016] Preferably, a main guide plate is fixedly connected to the lower end of the housing, and a secondary guide plate is provided on one side of the main guide plate, with the secondary guide plates symmetrically distributed along the central axis.

[0017] Preferably, a discharge pipe is fixedly connected to the bottom of the box, and the discharge pipe communicates with the box.

[0018] Preferably, one end of the discharge pipe is fixedly connected to a collection box, and a discharge valve is provided on one side of the collection box.

[0019] Preferably, a feed inlet is fixedly connected to the top of the box, a discharge outlet is fixedly connected to one end of the box, and a filter plate is provided between the discharge outlet and the box.

[0020] This utility model discloses a pretreatment device for the purification of diethyltoluene diamine, which has the following beneficial effects: the cleaning solvent inside the water tank is evenly sprayed onto the surface of the original liquid through the nozzle, and the original liquid is stirred by the rotating part to make the cleaning solvent and the original liquid evenly mixed. After standing for a period of time, soluble impurities will be deposited at the bottom of the tank. Guided by the main and auxiliary guide plates, the impurities enter the collection box and are collected, thus completing the pretreatment of impurities in the original liquid, ensuring the quality of the purified original liquid and meeting the needs of users. Attached Figure Description

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0022] Figure 1 It is a schematic diagram of the structure of the present application as a whole.

[0023] Figure 2 It is a schematic diagram of the side structure of the box of the present application.

[0024] Figure 3 It is a schematic diagram of the internal structure of the box of the present application.

[0025] Figure 4 It is a schematic diagram of the filter unit structure of the present application.

[0026] Figure 5 It is a schematic diagram of the structure of the main guide plate and the auxiliary guide plate of the present application.

[0027] In the figure: 1, box; 2, filter unit; 21, water tank; 22, spray head; 23, rotating part; 231, motor; 232, rotating shaft; 233, rotating plate; 24, pressure pump; 25, conduit; 26, conveying pipe; 27, main guide plate; 28, auxiliary guide plate; 29, discharge pipe; 210, material collecting box; 211, discharge valve; 3, feed inlet; 4, discharge outlet; 5, filter plate. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application are described clearly and completely. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0029] The embodiment of the present application provides a kind of based on diethyltoluene diamine purification pretreatment device, it is solved in mixing process, there can be soluble impurity and insoluble impurity, filter plate can only filter insoluble impurity, it can influence the purity of diethyltoluene diamine after purification, affect product quality, and can block, corrosion equipment, there is the problem of security risk.

[0030] In order to better understand the above technical solutions, the above technical solutions will be described in detail in the following in conjunction with the drawings in the specification and specific embodiments. EMBODIMENT

[0031] The utility model discloses an apple planting fruit tree pollination device, according to the attached Figures 1-5 As shown in the figure, including the box 1, the inside of box 1 is provided with the filter unit 2 for the pretreatment of raw materials, and the filter unit 2 includes;

[0032] When the device is used, toluene diamine and diethyl toluene diamine solution are put into the inside of the box 1 according to a certain proportion, at this time, the motor 231 is started, the motor 231 drives the rotating shaft 232 to rotate, so that the rotating plate 233 fixed on the outer surface of the rotating shaft 232 rotates synchronously, toluene diamine and diethyl toluene diamine solution are uniformly mixed, at the same time of mixing, the cleaning solvent is uniformly sprayed into the inside of the box 1 through the nozzle 22 from the inside of the water tank 21 through the guidance of the conduit 25 and the conveying pipe 26, after stirring for a certain time, the motor 231 and the pressure pump 24 are stopped, so that the raw liquid and the cleaning solvent are mixed and then precipitated, so that the soluble impurities and the insoluble impurities fall into the lower end of the inside of the box 1, under the guidance of the main guide plate 27 and the auxiliary guide plate 28, the soluble impurities and the insoluble impurities are collected by the discharge pipe 29 and discharged into the material collecting tank 210, after a period of filtration, the impurities can be discharged through the discharge valve 211, the filtered raw liquid can be reused, and the raw materials are saved.

[0033] The water tank 21 is fixedly arranged on the box 1.

[0034] The nozzle 22 is arranged in the inside of the box 1, the water tank 21 is communicated with the nozzle 22, and the nozzle 22 is used for spraying the medicament into the inside of the box 1; the cleaning solution is uniformly sprayed on the surface of the raw liquid by the nozzle 22, so that the solvent can fully contact the raw materials, and thus the impurities and pollutants attached to the surface of the raw materials can be more effectively removed. If the solvent is not uniformly covered, partial areas may not be completely cleaned, affecting the cleaning effect. By uniformly covering the surface of the raw materials with the washing solvent, the solvent can be fully utilized, and waste can be reduced. If the solvent is not uniformly distributed, the use amount of the solvent needs to be increased to achieve the expected cleaning effect, which not only increases the cost, but also causes greater burden to the environment, and meets the needs of the user.

[0035] The rotating part 23 is rotatably connected in the inside of the box 1, and is used for uniformly mixing the sprayed medicament and the material.

[0036] The lower end of the inside of the box 1 is fixedly connected with the main guide plate 27 for guiding the deposition of impurities, one side of the main guide plate 27 is provided with the auxiliary guide plate 28, and the auxiliary guide plate 28 is symmetrically distributed according to the center axis.

[0037] The bottom of the box 1 is fixedly connected with the discharge pipe 29 for collecting impurities.

[0038] The rotating part 23 comprises: a motor 231 fixedly connected to the box body 1; a rotating shaft 232 vertically arranged inside the box body 1, the output shaft of the motor 231 being fixedly connected to the rotating shaft 232; a rotating plate 233 arranged on the outer surface of the rotating shaft 232; the water tank 21 is provided with a pressurizing pump 24 on one side, the pressurizing pump 24 being communicated with the water tank 21; the pressurizing pump 24 is provided with a conduit 25 on the other side, the pressurizing pump 24 being communicated with the conduit 25; a conveying pipe 26 is fixedly connected to the upper end inside the box body 1, the conveying pipe 26 being communicated with the conduit 25; the spray head 22 is arranged at the bottom of the conveying pipe 26, the spray head 22 being arranged in a ring array; a main guide plate 27 is fixedly connected to the lower end inside the box body 1, the main guide plate 27 being provided with a sub guide plate 28 on one side, the sub guide plate 28 being symmetrically arranged according to the central axis; a discharge pipe 29 is fixedly connected to the bottom of the box body 1, the discharge pipe 29 being communicated with the box body 1; the discharge pipe 29 is fixedly connected to a collecting tank 210 at one end, the collecting tank 210 being provided with a discharge valve 211 on one side; the box body 1 is fixedly connected to a feeding port 3 at the top, the box body 1 being fixedly connected to a discharge port 4 at one end, the discharge port 4 being provided with a filter plate 5 between the box body 1, the filter plate 5 being used for secondary filtration after primary filtration, so that the impurities in the raw solution can be further reduced, the quality of the purified raw solution can be ensured, and the requirements of the user can be met.

[0039] The basic principle and main features of the present application and the advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principle of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A pretreatment device for the purification of diethyltoluene diamine, comprising a housing (1), characterized in that, The interior of the housing (1) is provided with a filter unit (2) for pre-treating raw materials, the filter unit (2) including: Water tank (21), which is fixedly installed on the tank body (1); The nozzle (22) is located inside the housing (1), and the water tank (21) is connected to the nozzle (22). The nozzle (22) is used to spray the agent into the housing (1). Rotating component (23), which is rotatably connected inside the housing (1), is used to uniformly mix the sprayed agent with the material; The lower end of the box (1) is fixedly connected to a main guide plate (27) for guiding deposited impurities. A secondary guide plate (28) is provided on one side of the main guide plate (27). The secondary guide plates (28) are symmetrically distributed along the central axis. The bottom of the box (1) is fixedly connected to a discharge pipe (29) for collecting impurities.

2. The pretreatment device for diethyltoluene diamine purification according to claim 1, characterized in that: The rotating component (23) includes; The motor (231) is fixedly connected to the housing (1); A rotating shaft (232) is vertically arranged inside the housing (1), and the output shaft of the motor (231) is fixedly connected to the rotating shaft (232); A rotating plate (233) is disposed on the outer surface of the rotating shaft (232).

3. The pretreatment device for diethyltoluene diamine purification according to claim 1, characterized in that: A pressure pump (24) is provided on one side of the water tank (21), and the pressure pump (24) is connected to the water tank (21). A conduit (25) is provided on the other side of the pressure pump (24), and the pressure pump (24) is connected to the conduit (25).

4. The diethyltoluene diamine purification and pretreatment device according to claim 3, characterized in that: The upper end of the box (1) is fixedly connected to a conveying pipe (26), which is connected to a conduit (25). The nozzle (22) is located at the bottom of the conveying pipe (26) and is arranged in a ring array.

5. The pretreatment apparatus for diethyltoluene diamine purification according to claim 1, characterized in that: One end of the discharge pipe (29) is fixedly connected to a collection box (210), and a discharge valve (211) is provided on one side of the collection box (210).

6. The pretreatment apparatus for diethyltoluene diamine purification according to claim 1, characterized in that: The top of the box (1) is fixedly connected to the inlet (3), and one end of the box (1) is fixedly connected to the outlet (4). A filter plate (5) is provided between the outlet (4) and the box (1).

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