Sludge dewatering modification equipment

Abstract

The utility model discloses sludge dewatering modification equipment which comprises a feeding assembly, a dewatering assembly, a reaction assembly and a discharging assembly, the reaction assembly comprises a reaction barrel, a dispersing and mixing spiral device, a connecting pipeline and a backflow pipeline, and the dispersing and mixing spiral device is fixed on one side of the reaction barrel; the discharging end of the feeding assembly is communicated with the feeding end of the dispersing and mixing spiral device, the dewatering assembly is arranged between the feeding assembly and the dispersing and mixing spiral device and is communicated with the feeding assembly and the dispersing and mixing spiral device, and the discharging end of the dispersing and mixing spiral device is communicated with the feeding end of the reaction barrel through a connecting pipeline; one discharging end of the reaction barrel is communicated with the feeding end of the feeding assembly through a backflow pipeline, and the feeding end of the discharging assembly is communicated with the other discharging end of the reaction barrel; the dispersing and mixing spiral device disclosed by the utility model can be used for fully and uniformly mixing sludge, and has the advantages of being safer, quicker, more efficient, more energy-saving and more mute compared with traditional blade stirring.

Description

Technical Field

[0001] The utility model relates to the technical field of sludge dewatering, in particular to a sludge dewatering and modification device. Background Art

[0002] In the prior art, with the development of urbanization, more and more sludge is generated. For the construction of an environment-friendly society, sludge is collected and reused. Sludge often exists in the form of a mud-water mixture. For better storage and utilization, the sludge is dewatered and then reused. At present, the existing sludge dewatering and modification devices generally consist of three parts: a feeding pipeline, a sludge reaction device, and a discharging pipeline. By adding dehydrating agents in different proportions into the sludge reaction device and then stirring through traditional blades inside the sludge reaction device, the purpose of sludge dewatering and modification is achieved. However, such a dewatering and modification method has problems such as poor safety, cumbersome operation, uneven mixing of the dehydrating agent and the sludge, incomplete breakage and destruction of the polyacrylamide molecular chains in the sludge, poor stability, low dewatering efficiency, and high working noise.

[0003] In view of the problems in the related art that when the sludge and the dehydrating agent are stirred by traditional blades, there are problems such as poor safety, cumbersome operation, uneven mixing of the dehydrating agent and the sludge, incomplete breakage and destruction of the polyacrylamide molecular chains in the sludge, poor stability, low dewatering efficiency, and high working noise, there is still a lack of a better technical solution. Summary of the Utility Model

[0004] In view of this, it is necessary to provide a sludge dewatering and modification device to at least solve the problems in the related art that when the sludge and the dehydrating agent are stirred by traditional blades, there are problems such as poor safety, cumbersome operation, uneven mixing of the dehydrating agent and the sludge, incomplete breakage and destruction of the polyacrylamide molecular chains in the sludge, poor stability, low dewatering efficiency, and high working noise.

[0005] An embodiment of the present application provides a sludge dewatering and modification device, which includes a feeding component, a dewatering component, a reaction component, and a discharging component. The reaction component includes a reaction barrel, a dispersion and mixing spiral device, a connecting pipe, and a reflux pipe. The dispersion and mixing spiral device is fixed on one side of the reaction barrel. The discharging end of the feeding component is communicated with the feeding end of the dispersion and mixing spiral device. The dewatering component is arranged between the feeding component and the dispersion and mixing spiral device and is communicated with the feeding component and the dispersion and mixing spiral device. The discharging end of the dispersion and mixing spiral device is communicated with the feeding end of the reaction barrel through the connecting pipe. One discharging end of the reaction barrel is communicated with the feeding end of the feeding component through the reflux pipe. The feeding end of the discharging component is communicated with the other discharging end of the reaction barrel. Among them, the feeding component is used to transport the slurry into the reaction component. The dewatering component is used to add a dewatering agent. The dispersion and mixing spiral device is used to uniformly mix the slurry and the dewatering agent. The reaction barrel is used to accommodate the slurry and the dewatering agent so that a chemical reaction occurs in the barrel. The discharging component is used to pump out the dewatered and modified slurry.

[0006] In one embodiment, the feeding component includes a first slurry feeding pipe, a first flowmeter, a first liquid-electric valve, a first three-way adapter, a feeding mud pump, and a second slurry feeding pipe. The feeding end of the first slurry feeding pipe is communicated with an external slurry storage device. The first liquid-electric valve and the first flowmeter are both installed on the first slurry feeding pipe. The first three-way adapter is arranged between the first slurry feeding pipe, the feeding mud pump, and the reflux pipe. One interface of the first three-way adapter is communicated with the discharging end of the first slurry feeding pipe. Another interface of the first three-way adapter is communicated with the discharging end of the reflux pipe. The last interface of the first three-way adapter is communicated with the feeding end of the feeding mud pump. The discharging end of the feeding mud pump is communicated with the feeding end of the second slurry feeding pipe. The discharging end of the second slurry feeding pipe is communicated with the feeding end of the dispersion and mixing spiral device. Among them, the first slurry feeding pipe and the second slurry feeding pipe are used to transport the slurry to the dispersion and mixing spiral device. The first liquid-electric valve is used to control the mud feeding volume of the first slurry feeding pipe. The first flowmeter is used to monitor the mud feeding volume of the first slurry feeding pipe. The feeding mud pump is used to provide power for the transportation of the slurry in the first slurry feeding pipe and the second slurry feeding pipe.

[0007] In one embodiment, a second liquid-electric valve is arranged between the discharging end of the reflux pipe and the first three-way adapter. Among them, the second liquid-electric valve is used to control the transportation volume of the slurry after the dehydration reaction.

[0008] In one embodiment, the dehydration assembly includes a first dehydration device and a second dehydration device arranged side by side from left to right. The first dehydration device includes a second three-way adapter, a first dehydrating agent feed pipeline, a second flowmeter, a first valve, a second valve, a first anti-corrosion liquid pump, and a first liquid tank. The second three-way adapter is spliced onto the second mud feed pipeline. The discharge end of the first dehydrating agent feed pipeline is connected to the second mud feed pipeline through the second three-way adapter. The second flowmeter is installed between the second three-way adapter and the first dehydrating agent feed pipeline. The first anti-corrosion liquid pump is connected to the first dehydrating agent feed pipeline through the first valve. The discharge end of the first liquid tank is connected to the first anti-corrosion liquid pump through the second valve. Among them, the first liquid tank is used to store the dehydrating agent. The first dehydrating agent feed pipeline is used to transport the dehydrating agent to the second mud feed pipeline. The first anti-corrosion liquid pump is used to provide the power source for transporting the dehydrating agent in the first dehydrating agent feed pipeline. The first valve and the second valve are used to control the transport volume of the dehydrating agent. The second flowmeter is used to monitor the transport volume of the dehydrating agent.

[0009] In one embodiment, the second dehydration device includes a third three-way adapter, a second dehydrating agent feed pipeline, a third flowmeter, a third valve, a fourth valve, a second anti-corrosion liquid pump, and a second liquid tank. The third three-way adapter is spliced onto the second mud feed pipeline. The discharge end of the second dehydrating agent feed pipeline is connected to the second mud feed pipeline through the third three-way adapter. The third flowmeter is installed between the third three-way adapter and the second dehydrating agent feed pipeline. The second anti-corrosion liquid pump is connected to the second dehydrating agent feed pipeline through the third valve. The discharge end of the second liquid tank is connected to the second anti-corrosion liquid pump through the fourth valve. Among them, the second liquid tank is used to store the dehydrating agent. The second dehydrating agent feed pipeline is used to transport the dehydrating agent to the second mud feed pipeline. The second anti-corrosion liquid pump is used to provide the power source for transporting the dehydrating agent in the second dehydrating agent feed pipeline. The third valve and the fourth valve are used to control the transport volume of the dehydrating agent. The third flowmeter is used to monitor the transport volume of the dehydrating agent.

[0010] In one embodiment, the dispersion and mixing spiral device includes a first dispersion and mixing spiral unit and a second dispersion and mixing spiral unit which are arranged side by side vertically and are interconnected. The first dispersion and mixing spiral unit is located at the lower end of the second dispersion and mixing spiral unit. The feed end of the first dispersion and mixing spiral unit is communicated with the discharge end of the second slurry feed pipe. The discharge end of the first dispersion and mixing spiral unit is communicated with the feed end of the second dispersion and mixing spiral unit. The discharge end of the second dispersion and mixing spiral unit is communicated with the feed end of the connecting pipe. The discharge end of the connecting pipe is communicated with the feed end of the reaction barrel. Wherein, the first dispersion and mixing spiral unit and the second dispersion and mixing spiral unit are used to disperse and uniformly mix the slurry and the dehydrating agent.

[0011] In one embodiment, both the first dispersion and mixing spiral unit and the second dispersion and mixing spiral unit include a pipe support and a plurality of dispersion and mixing spiral wheels. The plurality of dispersion and mixing spiral wheels are rotatably arranged inside the pipe support. Wherein, the pipe support is used to transport the slurry and the dehydrating agent into the reaction barrel, and the plurality of dispersion and mixing spiral wheels are used to disperse and uniformly mix the slurry and the dehydrating agent.

[0012] In one embodiment, the reaction barrel includes a barrel body, a barrel cover, a cross nozzle, a reflux riser and a waterproof exhaust valve. The barrel cover covers the upper end of the barrel body. The waterproof exhaust valve is arranged in the middle of the barrel cover. An inspection port is arranged on one side of the barrel cover. The cross nozzle and the reflux riser are arranged inside the barrel body. The cross nozzle is horizontally arranged above the reflux riser. The cross nozzle is communicated with the discharge end of the connecting pipe. The reflux riser is vertically arranged and is communicated with the feed end of the reflux pipe.

[0013] In one embodiment, the discharge assembly includes a discharge pipe, a discharge mud pump and a fifth valve. The feed end of the discharge pipe is communicated with the barrel body. The fifth valve and the discharge mud pump are installed on the discharge pipe. Wherein, the discharge pipe is used to transport the slurry after the dehydration reaction to an external slurry storage device. The discharge mud pump is used to provide power for the transportation of the slurry in the discharge pipe. The fifth valve is used to control the transportation volume of the discharged material.

[0014] The beneficial effects of the present utility model are as follows: This application is reasonably designed and novel in structure. By integrating a feeding component, a dehydration component, a reaction component, and a discharging component, it can achieve automatic sludge dehydration and modification reaction, thereby obtaining dehydrated and modified sludge. Specifically, after the sludge with a water content of 80% treated by the water plant is diluted with water to between 85% and 90%, the first liquid-electric valve of the feeding component is opened, and the second liquid-electric valve is automatically closed. The sludge and the dehydrating agent are evenly mixed through the dispersion mixing spiral device via the first slurry feeding pipeline, the second slurry feeding pipeline, and the feeding sludge pump, and then the sludge is pumped into the reaction barrel. During this period, the set volume is monitored by the first flowmeter, and the pumping is completed quantitatively. At the same time, the first dehydration device or the second dehydration device can be arbitrarily opened to supply dehydrating agents with different formulas or ratios to the sludge in the reaction barrel for modification; when the set volume is reached, the first liquid-electric valve is closed, and the second liquid-electric valve is automatically opened. The sludge and the dehydrating agent undergo a chemical reaction for a certain period of time, and they continue to circulate and mix in the reaction barrel, repeating the kneading. Finally, the sludge and the dehydrating agent are evenly mixed and modified. When the sludge passes through the dispersion mixing spiral device, the sludge is continuously repeatedly kneaded by the dispersion mixing spiral wheel, breaking and destroying the polyacrylamide molecular chains in the sludge, thereby achieving a more efficient and environmentally friendly dehydration purpose. The dispersion mixing method using the dispersion mixing spiral wheel has the advantages of being safer, faster, more efficient, more energy-saving, quieter, with a more uniform, delicate, and stable reaction mixture, and being maintenance-free, etc., and has strong practicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the overall structural schematic diagram of the embodiment of this application;

[0016] Figure 2 is the structural schematic diagram of the reaction component and the discharging component of the embodiment of this application;

[0017] Figure 3 is the structural schematic diagram of the reaction component of the embodiment of this application;

[0018] Figure 4 is the structural schematic diagram of the dispersion mixing spiral device of the embodiment of this application;

[0019] Figure 5 is the structural schematic diagram of the feeding component and the dehydration component of the embodiment of this application;

[0020] Figure 6 is the structural schematic diagram of the dehydration component of the embodiment of this application. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0022] It should be noted that when a component is referred to as "mounted on" another component, it can be directly mounted on the other component or there may also be an intermediate component. When a component is considered to be "set on" another component, it can be directly set on the other component or there may be an intermediate component at the same time. When a component is considered to be "fixed to" another component, it can be directly fixed to the other component or there may be an intermediate component at the same time.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present invention belongs. The terms used in the specification of the present invention herein are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. The term "or / and" used herein includes any and all combinations of one or more of the related listed items.

[0024] Please refer to Figures 1 to 6 , a sludge dewatering and modification device according to an embodiment of the present application, which includes a feeding component 100, a dewatering component 200, a reaction component 300, and a discharging component 400. The reaction component 300 includes a reaction barrel 31, a dispersion and mixing spiral device 32, a connecting pipe 33, and a reflux pipe 34. The dispersion and mixing spiral device 32 is fixed to one side of the reaction barrel 31. The discharging end of the feeding component 100 is communicated with the feeding end of the dispersion and mixing spiral device 32. The dewatering component 200 is arranged between the feeding component 100 and the dispersion and mixing spiral device 32 and is communicated with the feeding component 100 and the dispersion and mixing spiral device 32. The discharging end of the dispersion and mixing spiral device 32 is communicated with the feeding end of the reaction barrel 31 through the connecting pipe 33. One discharging end of the reaction barrel 31 is communicated with the feeding end of the feeding component 100 through the reflux pipe 34. The feeding end of the discharging component 400 is communicated with the other discharging end of the reaction barrel 31. Among them, the feeding component 100 is used to transport the slurry into the reaction component 300. The dewatering component 200 is used to add a dewatering agent. The dispersion and mixing spiral device 32 is used to uniformly mix the slurry and the dewatering agent. The reaction barrel 31 is used to accommodate the slurry and the dewatering agent, so that a chemical reaction occurs in the barrel. The discharging component 400 is used to pump out the dewatered and modified slurry.

[0025] In some of the alternative embodiments, the feed assembly 100 includes a first slurry feed pipe 11, a first flowmeter 12, a first liquid-electric valve 13, a first three-way adapter 14, a feed mud pump 15, and a second slurry feed pipe 16. The feed end of the first slurry feed pipe 11 is in communication with an external slurry storage device. The first liquid-electric valve 13 and the first flowmeter 12 are both installed on the first slurry feed pipe 11. The first three-way adapter 14 is disposed between the first slurry feed pipe 11, the feed mud pump 15, and the reflux pipe 34. One interface of the first three-way adapter 14 is in communication with the discharge end of the first slurry feed pipe 11, another interface of the first three-way adapter 14 is in communication with the discharge end of the reflux pipe 34, and the last interface of the first three-way adapter 14 is in communication with the feed end of the feed mud pump 15. The discharge end of the feed mud pump 15 is in communication with the feed end of the second slurry feed pipe 16. The discharge end of the second slurry feed pipe 16 is in communication with the feed end of the dispersion and mixing spiral device 32. Among them, the first slurry feed pipe 11 and the second slurry feed pipe 16 are used to convey the slurry to the dispersion and mixing spiral device 32. The first liquid-electric valve 13 is used to control the mud intake volume of the first slurry feed pipe 11. The first flowmeter 12 is used to monitor the mud intake volume of the first slurry feed pipe 11. The feed mud pump 15 is used to provide power for the conveyance of the slurry in the first slurry feed pipe 11 and the second slurry feed pipe 16.

[0026] In some of the alternative embodiments, a second liquid-electric valve 35 is provided between the discharge end of the reflux pipe 34 and the first three-way adapter 14. Among them, the second liquid-electric valve 35 is used to control the conveyance volume of the slurry after the dehydration reaction.

[0027] In some alternative embodiments, the dehydration assembly 200 includes a first dehydration device 21 and a second dehydration device 22 arranged side by side left and right. The first dehydration device 21 includes a second three-way adapter 211, a first dehydrating agent feed pipe 212, a second flowmeter 213, a first valve 214, a second valve 215, a first anti-corrosion liquid pump 216 and a first liquid tank 217. The second three-way adapter 211 is spliced onto the second mud feed pipe 16. The discharge end of the first dehydrating agent feed pipe 212 is connected to the second mud feed pipe 16 through the second three-way adapter 211. The second flowmeter 213 is installed between the second three-way adapter 211 and the first dehydrating agent feed pipe 212. The first anti-corrosion liquid pump 216 is connected to the first dehydrating agent feed pipe 212 through the first valve 214. The discharge end of the first liquid tank 217 is connected to the first anti-corrosion liquid pump 216 through the second valve 215. Among them, the first liquid tank 217 is used to store the dehydrating agent. The first dehydrating agent feed pipe 212 is used to transport the dehydrating agent to the second mud feed pipe 16. The first anti-corrosion liquid pump 216 is used to provide the power source for transporting the dehydrating agent in the first dehydrating agent feed pipe 212. The first valve 214 and the second valve 215 are used to control the transport volume of the dehydrating agent. The second flowmeter 213 is used to monitor the transport volume of the dehydrating agent.

[0028] In some alternative embodiments, the second dehydration device 22 includes a third three-way adapter 221, a second dehydrating agent feed pipe 222, a third flowmeter 223, a third valve 224, a fourth valve 225, a second anti-corrosion liquid pump 226 and a second liquid tank 227. The third three-way adapter 221 is spliced onto the second mud feed pipe 16. The discharge end of the second dehydrating agent feed pipe 222 is connected to the second mud feed pipe 16 through the third three-way adapter 221. The third flowmeter 223 is installed between the third three-way adapter 221 and the second dehydrating agent feed pipe 222. The second anti-corrosion liquid pump 226 is connected to the second dehydrating agent feed pipe 222 through the third valve 224. The discharge end of the second liquid tank 227 is connected to the second anti-corrosion liquid pump 226 through the fourth valve 225. Among them, the second liquid tank 227 is used to store the dehydrating agent. The second dehydrating agent feed pipe 222 is used to transport the dehydrating agent to the second mud feed pipe 16. The second anti-corrosion liquid pump 226 is used to provide the power source for transporting the dehydrating agent in the second dehydrating agent feed pipe 222. The third valve 224 and the fourth valve 225 are used to control the transport volume of the dehydrating agent. The third flowmeter 223 is used to monitor the transport volume of the dehydrating agent.

[0029] In some alternative embodiments, the dispersion and mixing screw device 32 includes a first dispersion and mixing screw unit 321 and a second dispersion and mixing screw unit 322 which are arranged side by side vertically and communicate with each other. The first dispersion and mixing screw unit 321 is located at the lower end of the second dispersion and mixing screw unit 322. The feed end of the first dispersion and mixing screw unit 321 communicates with the discharge end of the second mud feed pipe 16. The discharge end of the first dispersion and mixing screw unit 321 communicates with the feed end of the second dispersion and mixing screw unit 322. The discharge end of the second dispersion and mixing screw unit 322 communicates with the feed end of the connection pipe 33. The discharge end of the connection pipe 33 communicates with the feed end of the reaction barrel 31. Wherein, the first dispersion and mixing screw unit 321 and the second dispersion and mixing screw unit 322 are used to disperse and uniformly mix the mud and the dehydrating agent.

[0030] In some alternative embodiments, both the first dispersion and mixing screw unit 321 and the second dispersion and mixing screw unit 322 include a pipe support 3211 and a plurality of dispersion and mixing screw wheels 3212. The plurality of dispersion and mixing screw wheels 3212 are rotatably arranged inside the pipe support 3211. Wherein, the pipe support 3211 is used to transport the mud and the dehydrating agent into the reaction barrel 31, and the plurality of dispersion and mixing screw wheels 3212 are used to disperse and uniformly mix the mud and the dehydrating agent.

[0031] In some alternative embodiments, the reaction barrel 31 includes a barrel body 311, a barrel cover 312, a cross nozzle 313, a reflux riser 314 and a waterproof exhaust valve 315. The barrel cover 312 covers the upper end of the barrel body 311. The waterproof exhaust valve 315 is arranged in the middle of the barrel cover 312. An inspection port 316 is arranged on one side of the barrel cover 312. The cross nozzle 313 and the reflux riser 314 are arranged inside the barrel body 311. The cross nozzle 313 is horizontally arranged above the reflux riser 314. The cross nozzle 313 communicates with the discharge end of the connection pipe 33. The reflux riser 314 is vertically arranged and communicates with the feed end of the reflux pipe 34.

[0032] In some alternative embodiments, the discharge assembly 400 includes a discharge pipe 41, a discharge mud pump 42 and a fifth valve 43. The feed end of the discharge pipe 41 communicates with the barrel body 311. The fifth valve 43 and the discharge mud pump 42 are installed on the discharge pipe 41. Wherein, the discharge pipe 41 is used to transport the mud after the dehydration reaction to an external mud storage device. The discharge mud pump 42 is used to provide power for the transportation of the mud in the discharge pipe 41. The fifth valve 43 is used to control the transportation volume of the discharge.

[0033] It should be noted that by integrating the feeding component 100, the dehydration component 200, the reaction component 300 and the discharging component 400, an automated sludge dehydration and modification reaction can be achieved, thereby obtaining the dehydrated and modified sludge. Specifically, after the sludge with a water content of 80% treated by the water plant is diluted with water to between 85 - 90%, the first liquid-electric valve 13 of the feeding component 100 is opened, and the second liquid-electric valve 35 is automatically closed. The sludge and the dehydrating agent are pumped into the reaction barrel 31 after being dispersed and mixed by the dispersed mixing spiral device 32 through the first slurry feeding pipeline 11, the second slurry feeding pipeline 16 and the feeding mud pump 15. During this period, the set volume is monitored by the first flowmeter 12, and the pumping is completed quantitatively. At the same time, the first dehydration device 21 or the second dehydration device 22 can be arbitrarily opened to supply dehydrating agents with different formulas or ratios to the sludge in the reaction barrel for modification; when the set volume is reached, the first liquid-electric valve 13 is closed, and the second liquid-electric valve 35 is automatically opened. The sludge and the dehydrating agent undergo a chemical reaction for a certain period of time, and they continue to circulate and mix in the reaction barrel 31, repeating the kneading. Finally, the sludge and the dehydrating agent are evenly mixed and modified. When the sludge passes through the dispersed mixing spiral device 32, the sludge is continuously dispersed and kneaded repeatedly by the dispersed mixing spiral wheel 322, breaking and destroying the polyacrylamide molecular chains in the sludge, thereby achieving a more efficient and environmentally friendly dehydration purpose. The dispersed mixing method using the dispersed mixing spiral wheel 322 has the advantages of being safer, faster, more efficient, more energy-saving, quieter, with a more uniform, delicate and stable reaction mixture, and maintenance-free compared with the traditional blade stirring method.

[0034] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be encompassed within the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed claims.

[0035] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A sludge dewatering and modification device, characterized in that, It includes a feeding component, a dehydration component, a reaction component and a discharging component. The reaction component includes a reaction barrel, a dispersion and mixing spiral device, a connecting pipe and a reflux pipe. The dispersion and mixing spiral device is fixed on one side of the reaction barrel. The discharging end of the feeding component is communicated with the feeding end of the dispersion and mixing spiral device. The dehydration component is arranged between the feeding component and the dispersion and mixing spiral device and is communicated with the feeding component and the dispersion and mixing spiral device. The discharging end of the dispersion and mixing spiral device is communicated with the feeding end of the reaction barrel through the connecting pipe. One discharging end of the reaction barrel is communicated with the feeding end of the feeding component through the reflux pipe. The feeding end of the discharging component is communicated with the other discharging end of the reaction barrel. Among them, the feeding component is used to transport the slurry into the reaction component. The dehydration component is used to add a dehydrating agent. The dispersion and mixing spiral device is used to uniformly mix the slurry and the dehydrating agent. The reaction barrel is used to accommodate the slurry and the dehydrating agent so that a chemical reaction occurs in the barrel. The discharging component is used to pump out the dehydrated and modified slurry.

2. The sludge dewatering and modification equipment according to claim 1, characterized in that, The feeding component includes a first slurry feeding pipe, a first flow meter, a first liquid-electric valve, a first three-way adapter, a feeding mud pump and a second slurry feeding pipe. The feeding end of the first slurry feeding pipe is communicated with an external slurry storage device. The first liquid-electric valve and the first flow meter are both installed on the first slurry feeding pipe. The first three-way adapter is arranged among the first slurry feeding pipe, the feeding mud pump and the reflux pipe. One interface of the first three-way adapter is communicated with the discharging end of the first slurry feeding pipe. Another interface of the first three-way adapter is communicated with the discharging end of the reflux pipe. The last interface of the first three-way adapter is communicated with the feeding end of the feeding mud pump. The discharging end of the feeding mud pump is communicated with the feeding end of the second slurry feeding pipe. The discharging end of the second slurry feeding pipe is communicated with the feeding end of the dispersion and mixing spiral device. Among them, the first slurry feeding pipe and the second slurry feeding pipe are used to transport the slurry to the dispersion and mixing spiral device. The first liquid-electric valve is used to control the mud feeding volume of the first slurry feeding pipe. The first flow meter is used to monitor the mud feeding volume of the first slurry feeding pipe. The feeding mud pump is used to provide power for the transportation of the slurry in the first slurry feeding pipe and the second slurry feeding pipe.

3. The sludge dewatering and modification equipment according to claim 2, wherein, A second liquid-electric valve is arranged between the discharging end of the reflux pipe and the first three-way adapter. Among them, the second liquid-electric valve is used to control the transportation volume of the slurry after the dehydration reaction.

4. The sludge dewatering and modification equipment according to claim 2, characterized in that, The dehydration assembly includes a first dehydration device and a second dehydration device arranged side by side left and right. The first dehydration device includes a second three-way adapter, a first dehydrating agent feed pipe, a second flowmeter, a first valve, a second valve, a first anti-corrosion liquid pump, and a first liquid tank. The second three-way adapter is spliced onto the second mud feed pipe. The discharge end of the first dehydrating agent feed pipe is connected to the second mud feed pipe through the second three-way adapter. The second flowmeter is installed between the second three-way adapter and the first dehydrating agent feed pipe. The first anti-corrosion liquid pump is connected to the first dehydrating agent feed pipe through the first valve. The discharge end of the first liquid tank is connected to the first anti-corrosion liquid pump through the second valve. Among them, the first liquid tank is used to store the dehydrating agent. The first dehydrating agent feed pipe is used to transport the dehydrating agent to the second mud feed pipe. The first anti-corrosion liquid pump is used to provide the power source for transporting the dehydrating agent in the first dehydrating agent feed pipe. The first valve and the second valve are used to control the transport volume of the dehydrating agent. The second flowmeter is used to monitor the transport volume of the dehydrating agent.

5. The sludge dewatering and modification equipment according to claim 4, characterized in that The second dehydration device includes a third three-way adapter, a second dehydrating agent feed pipe, a third flowmeter, a third valve, a fourth valve, a second anti-corrosion liquid pump, and a second liquid tank. The third three-way adapter is spliced onto the second mud feed pipe. The discharge end of the second dehydrating agent feed pipe is connected to the second mud feed pipe through the third three-way adapter. The third flowmeter is installed between the third three-way adapter and the second dehydrating agent feed pipe. The second anti-corrosion liquid pump is connected to the second dehydrating agent feed pipe through the third valve. The discharge end of the second liquid tank is connected to the second anti-corrosion liquid pump through the fourth valve. Among them, the second liquid tank is used to store the dehydrating agent. The second dehydrating agent feed pipe is used to transport the dehydrating agent to the second mud feed pipe. The second anti-corrosion liquid pump is used to provide the power source for transporting the dehydrating agent in the second dehydrating agent feed pipe. The third valve and the fourth valve are used to control the transport volume of the dehydrating agent. The third flowmeter is used to monitor the transport volume of the dehydrating agent.

6. The sludge dewatering and modification equipment according to claim 5, wherein The dispersion and mixing spiral device includes a first dispersion and mixing spiral unit and a second dispersion and mixing spiral unit arranged side by side up and down and communicating with each other. The first dispersion and mixing spiral unit is located at the lower end of the second dispersion and mixing spiral unit. The feed end of the first dispersion and mixing spiral unit is connected to the discharge end of the second mud feed pipe. The discharge end of the first dispersion and mixing spiral unit is connected to the feed end of the second dispersion and mixing spiral unit. The discharge end of the second dispersion and mixing spiral unit is connected to the feed end of the connecting pipe. The discharge end of the connecting pipe is connected to the feed end of the reaction barrel. Among them, the first dispersion and mixing spiral unit and the second dispersion and mixing spiral unit are used to disperse and uniformly mix the mud and the dehydrating agent.

7. The sludge dewatering and modification equipment according to claim 6, wherein, Both the first dispersion and mixing spiral unit and the second dispersion and mixing spiral unit include a pipe support and a plurality of dispersion and mixing spiral wheels, and the plurality of dispersion and mixing spiral wheels are rotatably arranged inside the pipe support; wherein, the pipe support is used to transport the slurry and the dehydrating agent into the reaction barrel, and the plurality of dispersion and mixing spiral wheels are used to uniformly disperse and mix the slurry and the dehydrating agent.

8. The sludge dewatering and modification equipment according to claim 7, characterized in that, The reaction barrel includes a barrel body, a barrel cover, a cross nozzle, a reflux riser and a waterproof exhaust valve. The barrel cover covers the upper end of the barrel body. The waterproof exhaust valve is arranged in the middle of the barrel cover. An inspection port is arranged on one side of the barrel cover. The cross nozzle and the reflux riser are arranged inside the barrel body. The cross nozzle is horizontally arranged above the reflux riser. The cross nozzle is communicated with the discharge end of the connecting pipe. The reflux riser is vertically arranged and communicated with the feed end of the reflux pipe.

9. The sludge dewatering and modification equipment according to claim 8, characterized in that, The discharge assembly includes a discharge pipe, a discharge mud pump and a fifth valve. The feed end of the discharge pipe is communicated with the barrel body. The fifth valve and the discharge mud pump are installed on the discharge pipe; wherein, the discharge pipe is used to transport the slurry after the dehydration reaction to an external slurry storage device, the discharge mud pump is used to provide power for the transportation of the slurry in the discharge pipe, and the fifth valve is used to control the transportation volume of the discharge.

Images