Phosphorus-containing waste hydrolysis reaction device

Abstract

The utility model relates to a phosphorus-containing waste hydrolysis reaction device, which belongs to the technical field of hydrolysis and comprises a horizontal reaction kettle body, one end of the reaction kettle body is a feed port, the other end of the reaction kettle body is a discharge port, a partition plate, a lifting plate and a grid plate are arranged in the reaction kettle body, and a rotating mechanism and a supporting mechanism are arranged on the outer wall of the reaction kettle body and used for supporting and rotating the reaction kettle body. Wherein a plurality of lifting plates and partition plates are uniformly distributed on the inner wall of the reaction kettle body and are respectively and vertically arranged on the inner wall of the reaction kettle body, the partition plates positioned in the reaction kettle body are at least arranged in an upper row and a lower row, each row consists of a plurality of partition plates which are arranged at intervals, the upper row and the lower row of partition plates are arranged at intervals in a crossed manner, and a grid plate is arranged at the discharge hole in the reaction kettle body; the reaction device effectively prolongs the material reaction route and reaction time, fully reacts, and improves the treatment efficiency and quality.

Description

TECHNICAL FIELD

[0001] The utility model relates to a hydrolysis reaction device, concretely relates to a phosphorus-containing waste hydrolysis reaction device and belongs to the hydrolysis technical field. BACKGROUND

[0002] With the development of industry, the discharge of various phosphorus-containing compounds and organic matters pollutes the environment, and such pollution waste has stable molecular structure and certain biological toxicity, so the treatment of these phosphorus-containing wastes is very important.

[0003] The phosphorus-containing waste produced in the pesticide intermediate production process has toxicity, reactivity and corrosivity, and the phosphorus-containing waste is mainly the front fraction, reaction kettle residual liquid and tank cleaning waste liquid generated in the production process of pesticide intermediate methyl phosphite diethyl ester, and the main components are phosphorus trichloride and methyl dichloride.

[0004] On the one hand, when the material contains more organic phosphorus and organic chlorine elements, a large amount of flue gas containing P2O5 and HCl gas will be generated after high-temperature incineration, P2O5 has strong hygroscopicity and strong corrosion at high temperature, hydrogen chloride gas becomes hydrochloric acid below the dew point temperature, which is a strong acid. These two substances have great damage to the incinerator, flue gas pipeline and flue gas purification equipment, greatly reducing the service life of refractory materials and equipment and increasing the operation and maintenance cost, so the phosphorus-containing waste is not suitable for direct incineration treatment system.

[0005] On the other hand, the phosphorus-containing waste produced by pesticide enterprises has reactivity because the substances such as phosphorus trichloride and methyl dichloride in the waste can produce methanol and hydrochloric acid when reacting with water, so the waste cannot be directly landfilled, and the treatment and disposal of the phosphorus-containing waste face great difficulties. At present, the phosphorus-containing waste treatment system is mostly used for effective treatment, and the hydrolysis reaction device is one of the important links in the treatment system.

[0006] Most of the current hydrolysis reaction devices are vertical, and the material directly reaches the bottom after being added, and reacts together, which can instantly produce a large amount of gas and easily cause explosion accidents, and the safety is poor. In addition, the material reacts at the bottom of the reaction device, the reaction time is long, the reaction between the materials is not sufficient, and the treatment effect of the phosphorus-containing waste is poor.

[0007] Therefore, it is an urgent technical problem for those skilled in the art to develop a phosphorus-containing waste hydrolysis reaction device that can overcome the above defects. UTILITY MODEL CONTENT

[0008] The technical problem to be solved by the utility model is to overcome the defects of the prior art, provide a phosphorus-containing waste hydrolysis reaction device, which effectively prolongs the material reaction route and reaction time, fully reacts, and improves the treatment efficiency and quality.

[0009] In order to solve the above technical problems, the utility model provides a kind of phosphorus-containing waste hydrolysis reaction device, including horizontal reaction kettle body, the one end of reaction kettle body is feed inlet, the other end is discharge port, reaction kettle body is equipped with baffle, material lifting plate and grate, and rotation mechanism and support mechanism are arranged on the outer wall of reaction kettle body, for the support and rotation of reaction kettle body, wherein:

[0010] The inner wall of reaction kettle body is respectively distributed with several material lifting plates and baffles, and the material lifting plates and baffles are vertically arranged on the inner wall of reaction kettle body; the baffles in the reaction kettle body are arranged in at least two rows, each row is composed of multiple baffles arranged at intervals, and the baffles in the two rows are crossly arranged at intervals; and the grate is arranged at the discharge port in the reaction kettle body.

[0011] The utility model further limits the technical scheme:

[0012] Further, in the aforementioned phosphorus-containing waste hydrolysis reaction device, a feed cover, a screw feeder and a first support frame are arranged at the feed inlet; the upper end of the feed cover is provided with an air extraction port; the lower end of the feed cover is provided with a waste liquid port; one end of the feed cover is rotatably connected with the reaction kettle body and communicates with the feed inlet of the reaction kettle body; the other end of the feed cover is fixedly provided with the screw feeder for feeding; and the screw feeder and the feed cover are fixedly arranged on the ground by the first support frame.

[0013] The utility model is not directly provided with a feed inlet, but is additionally provided with a feed cover; on the one hand, the air extraction port can be arranged to ensure the negative pressure in the reaction kettle body and prevent waste flue gas from leaking; on the other hand, the screw feeder can be conveniently connected for feeding, and waste liquid can also be discharged during the feeding process; since the reaction kettle is used for treating solid phosphorus-containing waste, the screw feeder is arranged to facilitate the addition of solid materials, and the screw feeder can also be used for corresponding fluids, so that the application range is wide and the applicability is strong.

[0014] In the aforementioned phosphorus-containing waste hydrolysis reaction device, the discharge port is arranged at the lower end of one side of the reaction kettle body; a discharge cover and a second support frame are arranged at the discharge port; one end of the discharge cover is rotatably connected with the reaction kettle body and communicates with the discharge port of the reaction kettle body; the upper end of the discharge cover is provided with an air extraction port; the lower end of the discharge cover is provided with a waste material outlet; and the discharge cover is fixedly arranged on the ground by the second support frame.

[0015] The utility model is arranged with the discharge cover at the discharge port of the reaction kettle body, so that the reacted waste material can be directly and smoothly discharged; on the one hand, the air extraction port can be arranged to ensure the negative pressure in the reaction kettle body and prevent waste flue gas from leaking; on the other hand, the reacted waste material can be conveniently discharged for recycling or treatment.

[0016] The partition plate is composed of a blind plate and a grid hole plate, and the partition plate is integrally formed.

[0017] The technical effect is that the partition plate is not a pure blind plate, and a part of the partition plate is a blind plate for blocking the reaction time of the splashed material such as fly ash during stirring in the reaction kettle, and the other part is a grid hole plate arranged close to the inner wall of the reaction kettle.

[0018] The lifting plate is in a triangular pyramid structure and has a triangular cross section.

[0019] The technical effect is that the triangular pyramid structure lifting plate drives the caked material in the reaction kettle to improve the reactivity and facilitate the treatment of the phosphorus-containing waste.

[0020] The reaction kettle body is provided with a spherical grinding body, and the diameter of the grinding body is greater than the diameter of the grid hole on the grid plate.

[0021] The technical effect is that the reaction kettle body is provided with a grinding body, which facilitates the mixing and grinding of the material during the mixing reaction, improves the reactivity, and the diameter of the grinding body is greater than the diameter of the grid hole on the grid plate, effectively blocking the discharge of the grinding body, ensuring the grinding body in the reaction kettle body during the discharge of the material, and ensuring the grinding of the next feeding.

[0022] The grinding body is a steel ball.

[0023] The reaction kettle body is provided with a rubber layer on the inner wall.

[0024] The technical effect is that the reaction kettle body is wrapped with a rubber layer, which prevents the damage of the grinding body to the reaction kettle body, prevents corrosion, and prolongs the service life of the reaction kettle body.

[0025] The end of the feeding port of the reaction kettle body is higher than the end of the discharge port, and the inclination angle of the reaction kettle body is 1-3°.

[0026] The technical effect is that the reaction kettle body is slightly inclined to facilitate the smooth movement of the material to the discharge port, and the internal stirring shaft is not required, and the structure is more simple.

[0027] The reaction kettle body is supported and rotated outside, instead of setting a rotating shaft inside the reaction kettle body, so that space is released for improving the structure of the reaction kettle body, reaction time is prolonged, and reaction efficiency is improved.

[0028] A rotating mechanism is arranged on the outer wall of the reaction kettle body between the two support mechanisms, the rotating mechanism comprises a gear ring, a gear and a speed reducer motor, the gear ring is sleeved with the outer wall of the reaction kettle body, two speed reducer motors are symmetrically arranged at the lower end of the gear ring, the speed reducer motors are arranged on the ground through a working platform, the output end of the speed reducer motor is connected with the gear, and the gear and the gear ring are meshed to drive the rotation of the reaction kettle.

[0029] Technical effects, the utility model discloses a reaction kettle body outside support and rotation, instead of setting rotating shaft in the reaction kettle body, convenient for releasing space to carry out the structure improvement in the reaction kettle body, prolongs reaction time, improves reaction efficiency.

[0030] The utility model discloses a beneficial effect is:

[0031] The utility model discloses a reaction kettle body is divided into a plurality of pieces through the partition, prolongs the reaction time of material flow, under the action of the lifting blade, on the one hand, the caked material is taken up to improve reactivity, and the caked material is taken up to improve reactivity.

[0032] The utility model discloses a reaction kettle body, reaction kettle body rotation is driven lifting blade and take grinding body and mix phosphorus-containing waste, reaction kettle body inside sets up the partition and increases the reaction time of phosphorus-containing waste, and the lifting blade takes up the caked waste, and fully mixes, and the reaction kettle body tail end sets up the grating and blocks the grinding body and removes, and the reacted material and solution are discharged from the reaction kettle body, and the grating is set to the discharge port and divides the big particle from the solution in the broken grinding body and waste, and the exhaust port is set to the discharge cover, guarantees the negative pressure in the cylinder, and waste flue gas is not leaked.

[0033] The utility model discloses a reaction device can effectively improve the reaction time of the material entering, fully reacts, and improves the processing efficiency. ACCURACY

[0034] Figure 1 It is the structure schematic view of the phosphorus-containing waste hydrolysis reaction device of the utility model embodiment;

[0035] Figure 2 It is the sectional view of the reaction kettle body in the second embodiment of the utility model; Figure 1

[0036] Figure 3 It is the structure schematic view of the partition in the second embodiment of the utility model; Figure 1

[0037] Figure 4 It is the structure schematic view of the partition in the second embodiment of the utility model;​​Figure 1 Cross-sectional view of AA;

[0038] Figure 5 for Figure 1 Cross-sectional view of BB;

[0039] In the diagram: 1-Reaction vessel body, 2-Baffle plate, 21-Blind plate, 22-Grate plate, 3-Lifting plate, 4-Grate plate, 5-Feed hood, 6-Screw feeder, 7-First support frame, 8-Discharge hood, 9-Second support frame, 11-Gear ring, 12-Reduction motor, 13-Support ring, 14-Support wheel. Detailed Implementation

[0040] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present utility model, and not all of them; the technical features involved in the various embodiments of the present utility model described below can be combined with each other as long as they do not conflict with each other. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example 1

[0041] This embodiment provides a phosphorus-containing waste hydrolysis reaction device, the structure of which is as follows: Figure 1 As shown, the reactor includes a horizontal reactor body 1, which has a cylindrical main body and a hemispherical end on one side. One end of the reactor body 1 is the feed inlet, and the other end is the discharge outlet. The reactor body 1 is equipped with a baffle plate 2, a lifting plate 3, and a grate plate 4. The outer wall of the reactor body 1 is equipped with a rotating mechanism and a supporting mechanism for supporting and rotating the reactor body 1.

[0042] See Figure 2 The inner wall of the reactor body 1 is evenly distributed with several lifting plates 3 and partition plates 2. The lifting plates 3 are triangular pyramidal structures with triangular cross sections. The lifting plates 3 and partition plates 2 are vertically arranged on the inner wall of the reactor body 1. The partition plates 2 inside the reactor body 1 are arranged in at least two rows, one above the other. Each row consists of multiple partition plates 2 arranged at intervals. The upper and lower rows of partition plates 2 are arranged at intervals. A grate plate 4 is provided at the discharge port inside the reactor body 1.

[0043] The reactor body 1 is equipped with spherical grinding steel balls, the diameter of which is larger than the diameter of the grate holes on the grate plate 4;

[0044] The feed inlet of reactor body 1 is higher than the discharge outlet, and the tilt angle of reactor body 1 is 1-3°.

[0045] In this embodiment, refer to Figure 1The feed inlet is equipped with a feed hood 5, a screw feeder 6, and a first support frame 7. The upper opening of the feed hood 5 forms an exhaust port, and the lower opening of the feed hood 5 forms a waste liquid port. One end of the feed hood 5 is rotatably connected to the reactor body 1 and communicates with the feed inlet of the reactor body 1. The other end is fixedly equipped with a screw feeder 6 for feeding. The screw feeder 6 and the feed hood 5 are fixedly installed on the ground through the first support frame 7. The feed hood 5 does not rotate with the reactor body 1.

[0046] In this embodiment, refer to Figure 1 The discharge port is located at the lower end of one side of the reactor body 1. A discharge hood 8 and a second support frame 9 are provided at the discharge port. One end of the discharge hood 8 is rotatably connected to the reactor body 1 and communicates with the discharge port of the reactor body 1. The upper end of the discharge hood 8 forms an exhaust port, and the lower end of the discharge hood 8 forms a waste outlet. The discharge hood 8 is fixed to the ground by the second support frame 9.

[0047] In this embodiment, refer to Figure 3 The partition 2 is composed of an integrally formed blind plate 21 and a grid plate 22. A part of the partition 2 is the blind plate 21, and the remaining part has grid holes to form the grid plate 22. The grid plate 21 in the partition 2 is fixedly connected to the inner wall of the reactor body 1.

[0048] In this embodiment, a rubber layer is provided on the inner wall of the reactor body 1.

[0049] In this embodiment, refer to Figures 4-5 Support mechanisms are respectively provided on the outer wall of the reactor body 1 on the side of the feed inlet and the side of the discharge outlet. These mechanisms include a support ring 13 sleeved on the outer wall of the reactor body 1. Two support wheels 14 are symmetrically provided at the lower end of the support ring 13. The support wheels 14 are set on the ground through the working platform. The support ring 13 is supported and rolls on the support wheels 14.

[0050] A rotating mechanism is provided on the outer wall of the reactor body 1 between the two support mechanisms. The rotating mechanism includes a gear ring 11, a gear and a reduction motor 12. The gear ring 11 is fitted on the outer wall of the reactor body 1. Two reduction motors 12 are symmetrically arranged at the lower end of the gear ring 11. The reduction motors 12 are set on the ground through a working platform. The output end of the reduction motor 12 is connected to a gear. The gear and the gear ring 11 mesh with each other to drive the rotation of the reactor body 1.

[0051] In practice, phosphorus-containing waste is fed into the reactor body 1 through the inlet of the screw feeder 6. The reactor body 1 is supported on the working ground by the support mechanism and rotated by the rotating mechanism. The phosphorus-containing waste is lifted and rotated by the lifting plate 3 to stir and react. Under the action of the baffle 2, it slowly moves from the feed port to the discharge port of the reactor body 1 while being mixed until the waste is discharged. When discharging, the lower outlet of the discharge hood 8 is closed by a valve. The solution produced by the waste reaction is first discharged through the liquid outlet pipe. After no solution is discharged, the lower outlet of the discharge hood is opened and the solid is discharged. The inlet of the liquid outlet pipe 10 is lower than the outlet of the discharge hood 8 to facilitate complete discharge. The liquid outlet pipe is equipped with a discharge grate to avoid blockage of solid discharge and to separate the solid and liquid. At the same time as discharging, the exhaust port can be used to ensure negative pressure inside the reactor body and prevent the leakage of waste gas.

[0052] In addition to the embodiments described above, this utility model may have other implementations. All technical solutions formed by equivalent substitution or equivalent transformation fall within the protection scope claimed by this utility model.

Claims

1. A phosphorus-containing waste hydrolysis reaction device, characterized in that: The reactor includes a horizontal reactor body (1), one end of which is a feed inlet and the other end is a discharge outlet. The reactor body (1) is equipped with a baffle plate (2), a lifting plate (3), and a grate plate (4). The outer wall of the reactor body (1) is equipped with a rotating mechanism and a supporting mechanism for supporting and rotating the reactor body (1). The inner wall of the reactor body (1) is evenly distributed with several lifting plates (3) and partitions (2). The lifting plates (3) and partitions (2) are respectively vertically arranged on the inner wall of the reactor body (1). The partitions (2) located in the reactor body (1) are arranged in at least two rows, each row consisting of multiple partitions (2) arranged at intervals. The upper and lower rows of partitions (2) are arranged at intervals. The grate (4) is provided at the discharge port inside the reactor body (1).

2. The phosphorus-containing waste hydrolysis reaction apparatus according to claim 1, characterized in that: The feed inlet is provided with a feed hood (5), a screw feeder (6) and a first support frame (7). The upper opening of the feed hood (5) forms an exhaust port, and the lower opening of the feed hood (5) forms a waste liquid port. One end of the feed hood (5) is rotatably connected to the reactor body (1) and communicates with the feed inlet of the reactor body (1). The other end is fixedly provided with the screw feeder (6) for feeding. The screw feeder (6) and the feed hood (5) are fixedly installed on the ground through the first support frame (7).

3. The phosphorus-containing waste hydrolysis reaction apparatus according to claim 1, characterized in that: The discharge port is located at the lower end of one side of the reactor body (1). The discharge port is provided with a discharge hood (8) and a second support frame (9). One end of the discharge hood (8) is rotatably connected to the reactor body (1) and communicates with the discharge port of the reactor body (1). The upper end of the discharge hood (8) forms an exhaust port, and the lower end of the discharge hood (8) forms a waste outlet. The discharge hood (8) is fixed to the ground by the second support frame (9).

4. The phosphorus-containing waste hydrolysis reaction apparatus according to claim 1, characterized in that: The partition (2) is composed of an integrally formed blind plate (21) and a grid plate (22). A part of the partition (2) is a blind plate (21), and the remaining part has grid holes to form a grid plate (22). The grid plate (22) in the partition (2) is fixedly connected to the inner wall of the reactor body (1).

5. The phosphorus-containing waste hydrolysis reaction apparatus according to claim 1, characterized in that: The lifting plate (3) is a triangular pyramid structure with a triangular cross section.

6. The phosphorus-containing waste hydrolysis reaction apparatus according to claim 1, characterized in that: The reactor body (1) is provided with a spherical grinding body, the diameter of which is larger than the diameter of the grate hole on the grate plate (4).

7. The phosphorus-containing waste hydrolysis reaction apparatus according to claim 6, characterized in that: The grinding media is a steel ball.

8. The phosphorus-containing waste hydrolysis reaction apparatus according to claim 1, characterized in that: A rubber layer is provided on the inner wall of the reactor body (1).

9. The phosphorus-containing waste hydrolysis reaction apparatus according to claim 1, characterized in that: The feed inlet of the reactor body (1) is higher than the discharge outlet, and the inclination angle of the reactor body (1) is 1-3°.

10. The phosphorus-containing waste hydrolysis reaction apparatus according to claim 1, characterized in that: The supporting mechanism is provided on the outer wall of the reactor body (1) on the side of the feed inlet and the side of the discharge outlet. The supporting mechanism includes a supporting ring (13) sleeved on the outer wall of the reactor body (1). Two supporting wheels (14) are symmetrically provided at the lower end of the supporting ring (13). The supporting wheels (14) are set on the ground through the working platform. The supporting ring (13) is supported and rolls on the supporting wheels (14). The rotating mechanism is located on the outer wall of the reactor body (1) between the two support mechanisms. The rotating mechanism includes a gear ring (11), a gear and a reduction motor (12). The gear ring (11) is fitted onto the outer wall of the reactor body (1). Two reduction motors (12) are symmetrically arranged at the lower end of the gear ring (11). The reduction motors (12) are set on the ground through a working platform. The output end of the reduction motors (12) is connected to the gear. The gear meshes with the gear ring (11) to drive the rotation of the reactor body (1).

Images