CN220976787U - Mud water treatment facility - Google Patents

Abstract

The application relates to the technical field of water treatment, and aims to solve the problem of how to reduce the occupied area of reserved land of a sludge water treatment facility. The sludge water treatment facility comprises a sludge discharging assembly, a water discharging assembly and a sludge drying assembly. The mud discharging assembly comprises a mud discharging pond, and the mud discharging pond is arranged below the ground. The drainage assembly comprises a drainage pond, the drainage pond is arranged below the ground, and the drainage pond and the sludge drainage pond are arranged at intervals. The sludge drying assembly comprises at least two sludge drying beds, one sludge drying bed is arranged on the ground above the sludge discharge pond and is communicated with the bottom of the sludge discharge pond, and the other sludge drying bed is arranged on the ground above the sludge discharge pond and is communicated with the bottom of the sludge discharge pond. The mud water treatment facility of this embodiment is through the different quality of water of mud pond and the drainage pond difference treatment, filters the mud desiccation field that the muddy water that has been handled discharged to ground to reach the mud water treatment facility and save the effect that occupies the area of reserving the land for reservation.

Description

Mud water treatment facility

Technical Field

The application relates to the technical field of water treatment, in particular to a sludge water treatment facility.

Background

The urban and rural water supply integrated work is greatly developed in China, and the construction of urban and rural water supply facilities needs to be further perfected. Most of village and town water supply plants adopt integrated equipment of flocculation-sedimentation-filtering tanks, and most of sludge water discharged from the water supply plants is treated by a sludge discharge water tank, a sludge concentration tank and a mechanical dehydration facility.

In the prior art, the village and town water supply plant has smaller scale and small sludge discharge amount, and the sludge discharge pool, the sludge concentration and dehydration facilities arranged in the village and town water supply plant area need to be newly built with corresponding facilities to increase a large amount of investment and have complex operation. The village and town water supply plant sludge discharge amount is small, independent dehydration not only increases the operation cost, but also causes idle waste of equipment, in addition, the village and town water supply plant generally reserves a lot of land, the land cannot meet the requirements of sludge discharge water tanks, sludge concentration tanks and mechanical dehydration facility construction at the same time, and the sludge discharge water treatment and transformation of the water supply plant are difficult. How to solve the technical problems is considered by the person skilled in the art.

Disclosure of utility model

The application provides a mud water treatment facility, which aims to solve the problem of how to reduce the area occupied by the mud water treatment facility in reserved land.

The embodiment of the application provides a sludge water treatment facility which comprises a sludge discharging assembly, a water discharging assembly and a sludge drying assembly. The mud discharging assembly comprises a mud discharging pond, the mud discharging pond is arranged below the ground, and the mud discharging pond is used for collecting and processing flocculated and precipitated mud water. The drainage assembly comprises a drainage pond, the drainage pond is arranged below the ground, the drainage pond and the sludge drainage pond are arranged at intervals, and the drainage pond is used for collecting and treating primary filtered water and backwash water of the filter tank. The sludge drying assembly comprises at least two sludge drying beds, one sludge drying bed is arranged on the ground above the sludge discharge pond and is communicated with the bottom of the sludge discharge pond, and the other sludge drying bed is arranged on the ground above the sludge discharge pond and is communicated with the bottom of the sludge discharge pond.

Compared with the prior art, the sludge water treatment facility provided by the embodiment is characterized in that the sludge water treatment facility is respectively provided with the sludge discharging pond and the water discharging pond below the ground, the sludge drying bed is respectively arranged above the sludge discharging pond and the water discharging pond, different water qualities are respectively treated through the sludge discharging pond and the water discharging pond, the efficiency of the sludge water treatment facility is improved, and finally the sludge water after being treated is discharged to the sludge drying bed on the ground by the sludge discharging pond and the water discharging pond, so that the effect of saving the occupied area of reserved land by the sludge water treatment facility is achieved.

In one possible embodiment, the mud discharging assembly further comprises a plug flow stirrer arranged in the mud discharging pond, and the plug flow stirrer is used for stirring the muddy water in the mud discharging pond to homogenize the muddy water.

In one possible embodiment, the sludge discharging assembly further comprises a sludge discharging pond water inlet pipe, a sludge discharging pond water outlet pipe and sludge Chi Shuibeng, wherein the sludge discharging pond water inlet pipe is arranged on one side wall of the sludge discharging pond, the sludge discharging pond water outlet pipe is arranged on the other side wall of the sludge discharging pond opposite to the sludge discharging pond water inlet pipe, the sludge discharging pond water outlet pipe faces the sludge drying bed to extend, the sludge discharging pond water pump is connected to one end, close to the sludge discharging pond, of the sludge discharging pond water outlet pipe, and the plug flow stirrer is arranged at the position, close to the sludge discharging pond water inlet pipe, of the sludge discharging pond and is used for stirring the sludge in the direction of the sludge discharging pond water outlet pipe.

In one possible implementation manner, the drainage assembly further comprises a drainage tank water inlet flower wall and a drainage tank water outlet flower wall, the drainage tank water inlet flower wall and the drainage tank water outlet flower wall are arranged at intervals in the drainage tank, a plurality of first holes are formed in the bottom of the drainage tank water inlet flower wall, a plurality of first holes are arranged at intervals, a plurality of second holes are formed in the bottom of the drainage tank water outlet flower wall, and a plurality of second holes are arranged at intervals.

In one possible implementation mode, the drainage assembly further comprises a plurality of pool bottom valves and a plurality of sand discharge pipes, the pool bottom valves are arranged between the drainage pool water inflow flower wall and the drainage pool water outflow flower wall at intervals, and the pool bottom valves and the sand discharge pipes are in one-to-one correspondence and are connected.

In one possible embodiment, the drainage assembly further comprises a sand discharge pump and a manual gate valve, wherein the sand discharge pump is connected with the sand discharge pipe, the manual gate valve is arranged between the sand discharge pump and the sand discharge pipe, and the sand discharge pump is communicated with or disconnected from the sand discharge pipe through the manual gate valve.

In one possible implementation mode, the drainage assembly further comprises a sand draining pump water outlet pipe, wherein one end of the sand draining pump water outlet pipe is connected with the sand draining pump, and the other end of the sand draining pump water outlet pipe extends towards the sludge drying bed.

In one possible implementation mode, the sludge drying assembly further comprises a sludge drying permeation layer and a sludge drying drain pipe, the sludge drying permeation layer is laid on the sludge drying bed, the sludge drying drain pipes are respectively arranged at the bottoms of the sludge drying permeation layer, and a third opening is formed in the peripheral surface of the sludge drying drain pipe and used for enabling water in the sludge drying permeation layer to permeate and drain.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following description will briefly describe the drawings in the embodiments, it being understood that the following drawings only illustrate some embodiments of the present application and should not be considered as limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic plan view of a dredge water treatment facility in accordance with an embodiment of the present application;

FIG. 2 is a schematic plan view of the sludge water treatment facility of FIG. 1 on the ground;

FIG. 3 is a cross-sectional view of the sludge water treatment facility of FIG. 1 taken along line I-I;

FIG. 4 is a cross-sectional view of the sludge water treatment facility of FIG. 1 taken along line II-II;

FIG. 5 is a schematic view of a portion of the parts of a sludge drying drain pipe of the sludge water treatment facility of FIG. 1;

Fig. 6 is a cross-sectional view of the sludge drying drain pipe of the sludge water treatment facility of fig. 5 taken along iii-iii.

Description of main reference numerals:

1. A mud water treatment facility; 11. a mud discharging assembly; 111. a water inlet pipe of the sludge discharge pond; 112. a water outlet pipe of the sludge discharge pool; 113. sludge Chi Shuibeng; 114. a plug flow stirrer; 115. a mud discharging pond; 12. a drainage assembly; 121. a water inlet pipe of the drainage pool; 122. a water pump of a drainage pool; 123. a sand discharge pump; 124. a sand discharge pipe; 125. a pool bottom valve; 126. a water outlet pipe of the water drainage pool; 127. a water outlet pipe of the sand discharge pump; 128. a water inflow wall of the drainage pool; 1281. a first opening; 129. discharging the water out of the water discharge pool; 1291. a second opening; 13. a manual gate valve; 14. a sludge drying assembly; 141. a sludge drying drain pipe; 1411. a third opening; 142. cutting a steel plate into a door; 143. a sludge drying drainage header pipe; 144. a sludge drying water collecting pit; 145. sludge drying and feeding into a sludge channel; 146. a sludge drying infiltration layer; 147. a sludge layer; 148. coarse sand layer; 149. a gravel layer; 15. a sludge drying bed; 16. ground surface; 17. a sand discharging channel; 18. and (5) draining the pond.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments.

Some embodiments of the application are described in detail. The following embodiments and features of the embodiments may be combined with each other without collision.

Examples

Referring to fig. 1 to 6, the present embodiment provides a sludge water treatment facility 1 including a sludge discharging assembly 11, a water discharging assembly, and a sludge drying assembly 14. The sludge discharge assembly 11 includes a sludge discharge pond 115, the sludge discharge pond 115 being disposed below the ground surface 16, the sludge discharge pond 115 for collecting and treating flocculated and precipitated sludge. The drainage assembly includes a drainage pond 18, the drainage pond 18 being disposed below the ground 16, the drainage pond 18 being spaced from a sludge drainage pond 115, the drainage pond 18 being configured to collect and dispose of filter pond primary filtrate or backwash water. The sludge drying assembly 14 includes at least two sludge drying beds 15, one sludge drying bed 15 being disposed on the ground 16 above the sludge discharge pond 115 and in communication with the bottom of the sludge discharge pond 115, and the other sludge drying bed 15 being disposed on the ground 16 above the water discharge pond 18 and in communication with the bottom of the water discharge pond 18.

The sludge water treatment facility 1 provided in this embodiment is arranged under the ground 16 by respectively arranging the sludge discharge pond 115 and the water discharge pond 18, the sludge drying bed 15 is respectively arranged above the sludge discharge pond 115 and the water discharge pond 18, and different water qualities are respectively treated by the sludge discharge pond 115 and the water discharge pond 18, so that the efficiency of the sludge water treatment facility 1 is improved, and finally, the sludge discharge pond 115 and the water discharge pond 18 discharge the treated sludge water to the sludge drying bed 15 of the ground 16 for filtering, so that the effect of saving the occupied area of the reserved land by the sludge water treatment facility 1 is achieved.

In this embodiment, the sludge drying assembly 14 further includes a sludge drying inlet channel 145, the sludge drying inlet channel 145 being disposed at one end of the sludge drying bed 15 and in communication with the sludge drying bed 15.

In one embodiment, the mud discharging assembly 11 further comprises a plug flow stirrer 114, wherein the plug flow stirrer 114 is arranged in the mud discharging pond 115, and the plug flow stirrer 114 is used for stirring the muddy water in the mud discharging pond 115 to homogenize the muddy water.

In an embodiment, the sludge discharging assembly 11 further includes a sludge discharging tank water inlet pipe 111, a sludge discharging tank water outlet pipe 112 and a sludge discharging Chi Shuibeng, wherein the sludge discharging tank water inlet pipe 111 is arranged on one side wall of the sludge discharging tank 115, the sludge discharging tank water outlet pipe 112 is arranged on the other side wall of the sludge discharging tank 115 opposite to the sludge discharging tank water inlet pipe 111, the sludge discharging tank water outlet pipe 112 extends towards the sludge drying field 15, the sludge discharging tank water pump 113 is connected to one end of the sludge discharging tank water outlet pipe 112, which is close to the sludge discharging tank 115, and the plug flow stirrer 114 is arranged at the position of the sludge discharging tank 115, which is close to the sludge discharging tank water inlet pipe 111, and stirs the sludge in the direction of the sludge discharging tank water outlet pipe 112.

In this embodiment, the sludge discharge tank water outlet pipe 112 is connected to the sludge drying inlet channel 145, and the muddy water in the sludge discharge tank water outlet pipe 112 flows into the sludge drying bed 15 through the sludge drying inlet channel 145.

In an embodiment, the drainage assembly 12 further includes a drainage pool water inlet flower wall 128 and a drainage pool water outlet flower wall 129, the drainage pool water inlet flower wall 128 and the drainage pool water outlet flower wall 129 are arranged at intervals in the drainage pool 18, a plurality of first openings 1281 are arranged at intervals at the bottom of the drainage pool water inlet flower wall 128, a plurality of second openings 1291 are arranged at intervals at the bottom of the drainage pool water outlet flower wall 129, and a plurality of second openings 1291 are arranged at intervals.

Optionally, the drain assembly further comprises a drain tank inlet pipe 121, a drain tank water pump 122, and a drain tank outlet pipe 126. The water outlet pipe 126 of the water outlet pond is connected with the water outlet pump 122 of the water outlet pond, the water outlet pump 122 of the water outlet pond is arranged at a position, far away from the sand outlet pipe 124, of the water outlet wall 129 of the water outlet pond, and the water outlet pump 122 of the water outlet pond is used for pumping water quality of an upper layer in the water outlet pond 18 to a water inlet end of a factory water purifying facility so that the water quality of the upper layer is mixed with raw water. The sand discharge pipe 124, the bottom valve 125 and the manual gate valve 13 are connected for discharging the sand in the mud bucket in the water discharge pond 18.

In this embodiment, the height of the water-feeding wall 128 of the drainage pool is equal to the highest liquid level, staggered first openings 1281 are arranged at intervals of 10cm at the bottom, and the first openings 1281 rectify the water feeding, so that the sediment efficiency of the mud sand is improved. The height of the water discharge wall 129 of the water discharge tank is 0.6m, staggered second holes 1291 are formed in the bottom of the water discharge tank every 50cm, water is fed into the second holes 1291 at the bottom of the low water level, the water discharge wall 128 of the water discharge tank corresponds to an overflow weir, and clear water at the upper part flows in from the top to prevent silt from entering the water pump 122 of the water discharge tank.

In one embodiment, the drainage assembly 12 further includes a plurality of pool bottom valves 125 and a plurality of sand discharge pipes 124, wherein the plurality of pool bottom valves 125 are disposed between the drainage pool water inlet wall 128 and the drainage pool water outlet wall 129 at intervals, and the pool bottom valves 125 and the sand discharge pipes 124 are in one-to-one correspondence and connected.

In one embodiment, the drain assembly 12 further includes a sand pump 123 and a manual gate valve 13, the sand pump 123 is connected to the sand discharge pipe 124, the manual gate valve 13 is disposed between the sand pump 123 and the sand discharge pipe 124, and the sand pump 123 is connected to or disconnected from the sand discharge pipe 124 through the manual gate valve 13.

In one embodiment, the drainage assembly 12 further includes a drainage pump 123, one end of the drainage pump 123 is connected to the drainage pump 123, and the other end extends toward the sludge drying bed 15.

In the embodiment, a mud discharge hopper is arranged at the bottom of the water discharge pond 18, and a sand discharge pipe 124, a pond bottom valve 125 and a manual gate valve 13 are arranged at the bottom of the mud discharge hopper for discharging mud and sand in the mud discharge hopper. The water outlet pipe of the sand discharging pump 123 is connected with the sand discharging pump 123 and the sludge drying mud inlet channel 145, and the sand discharging pump 123 conveys the sand to the sludge drying mud inlet channel 145 to concentrate and dry the sand.

In this embodiment, the water outlet pipe of the sand pump 123 is connected to the sludge drying inlet channel 145, and the muddy water in the water outlet pipe of the sand pump 123 flows into the sludge drying bed 15 through the sludge drying inlet channel 145.

In an embodiment, the sludge drying assembly 14 further includes a sludge drying infiltration layer 146 and a sludge drying drain pipe 141, the sludge drying infiltration layer 146 is paved on the sludge drying bed 15, the sludge drying drain pipes 141 are respectively arranged at the bottoms of the sludge drying infiltration layer 146, and a third opening is formed in the peripheral surface of the sludge drying drain pipe 141 for removing water in the sludge drying infiltration layer 146 by infiltration.

In this embodiment, the sludge drying assembly 14 further includes a steel plate cutting door 142, a sludge drying drain header 143, and a sludge drying sump 144. The steel plate cutting gate 142 is arranged in a sluice in the sludge drying sludge inlet channel 145, and the steel plate cutting gate 142 is used for controlling sludge inlet.

The sludge drying drain pipe 141 is provided with third holes which are staggered by 45 degrees downwards every 20cm, and the aperture of the third holes isThe third opening 1411 is arranged at the bottom of the sludge drying drain pipe 141 for collecting the permeate drain, so that the sludge drying drain pipe 141 can be effectively prevented from being blocked.

The sludge drying infiltration layer 146 comprises a sludge layer 147, a coarse sand layer 148 and a gravel layer 149 which are sequentially layered from top to bottom. The depth of the sludge layer 147 is not more than 0.6m. Coarse sand layer 148 is coarse sand with a thickness of 0.15m and a particle size of 1-5mm. The gravel layer 149 adopts gravel with thickness of 0.25m and particle size of 10-30mm.

The size of the sludge drying water collection pit 144 is 0.5x0.5x0.5 m, the bottom of the sludge drying water collection pit 144 is connected with the sludge drying water drainage header 143 and is used for draining water to the water inlet end of the factory water purification facility, so that the filtered water quality is mixed with raw water.

The using method of the sludge water treatment facility 1 comprises a water discharging assembly 12 homogenizing and collecting working method; the working method for recycling the mud sand and clear water by the drainage component 12; a sludge drying component 14 sludge drying and permeate clear water recycling working method.

Specifically, the drainage assembly 12 works in a homogeneous collection mode: the sludge discharge pool water inlet pipe 111 is connected with a factory flocculation precipitation sludge discharge pipeline, and a plug flow stirrer 114 is started to perform plug flow stirring on water flow, so as to homogenize sludge discharge water; the sludge water reaches a certain water level, and the sludge Chi Shuibeng is started to be pumped to the sludge drying inlet canal 145 for concentration drying treatment through the connected sludge discharge pool water outlet pipe 112.

The working mode of the drainage pool for draining mud sand and recycling clear water comprises the following steps: the water inlet pipe 121 of the drainage tank is connected with the primary filtering water and the back flushing water drainage pipeline of the filtering tank in the factory. The primary filter water and the back wash water of the filter tank pass through the water discharge tank water inflow spline wall 128, staggered first holes 1281 are formed in the bottom of the water discharge tank water inflow spline wall 128, inflow water is rectified, sediment is deposited in a mud bucket in the primary filter water and the back wash cement sand of the filter tank, clear water on the upper parts of the primary filter water and the back wash water of the filter tank passes through the water discharge tank water outflow spline wall 129, staggered second holes 1291 are formed in the bottom of the water discharge tank water outflow spline wall 129, water is fed into the second holes 1291 at the bottom of a low water level, the water discharge tank water inflow spline wall 128 is equivalent to an overflow weir, and clear water on the upper part flows in from the top to prevent mud sand from entering the water discharge tank water pump 122.

The water pump 122 pumps water to the water inlet end of the factory water purifying facility through the connected water outlet pipe 126 of the water draining pool, and mixes the water with raw water, and the water is treated by the factory water purifying facility.

After the sediment in the mud bucket reaches a certain mud position, the sediment in the mud bucket is discharged to the sand discharging channel 17 through a sand discharging pipe 124 connected with the tank bottom valve 125 and the manual gate valve 13 by opening a hydraulic driving tank bottom valve 125 and the manual gate valve 13, and the sand discharging pump 123 arranged in the sand discharging channel 17 is started, and the mud is pumped to the mud drying mud inlet channel 145 for concentration and drying treatment through a water outlet pipe of the sand discharging pump 123 connected with the sand discharging pump 123 and the mud drying mud inlet channel 145.

The sludge drying Chi Wuni is carried out, and the osmotic clear water is recycled in the working mode: the sludge drying mud inlet channel 145 collects mud sand water discharged from the mud pit water outlet pipe 112 and the sand pump 123 water outlet pipe, the steel plate cutting door 142 is opened to introduce the mud sand water into the sludge drying assembly 14, and clear water in the mud sand water sequentially flows through the sludge layer 147, the coarse sand layer 148 and the gravel layer 149 of the sludge drying permeation layer 146 from top to bottom.

The clear water in the silt water is filtered and purified by the silt drying permeation layer 146, and the lower water inlet hole of the silt drying drain pipe 141 flowing into the gravel layer 149 flows into the silt drying drain pipe 141.

The lower water inlet hole flows into a sludge drying drain pipe 141, clean water flows into a connected sludge drying water collecting pit 144, is discharged into the front side of a water inflow wall 128 of a water drainage pool through a sludge drying drain header pipe 143 arranged at the bottom of the sludge drying water collecting pit 144, and is conveyed to the water inlet end of a factory water purifying facility through a water drainage pool water pump 122 to be mixed with raw water.

And (3) concentrating and drying the sludge layer 147 on the upper layer of the sludge drying permeation layer 146 for 3-7 days, and then transporting the concentrated and dried sludge sand to a power station for incineration treatment through a sludge transport vehicle.

The sludge drying bed 15 can be divided into a plurality of grids according to the actual condition of the site, and the work of respectively carrying out wheel-changing mud feeding, drying and mud discharging is carried out, so that the continuous operation of sludge concentration and drying is ensured.

The sludge water treatment facility 1 of the embodiment adopts the superposition treatment process of the drainage assembly 12, the sludge drainage assembly 11 and the sludge drying assembly 14, does not need to arrange a sludge concentration dehydration facility, reduces the occupied area 16, reduces the operation cost, simplifies the operation difficulty, is practical in the project of modifying sludge water with insufficient area 16 for a factory, and is convenient for implementation of a village water supply plant.

The water inlet end of the water purifying facility for recycling the primary filtering and back flushing water collected by the water discharging assembly 12 is mixed with raw water, so that water resources are saved, and the primary filtering and back flushing water of the filter is recycled. The drainage assembly 12 is provided with a water inlet distribution wall for rectifying water inlet, so that sediment of silt is facilitated, a water outlet wall is formed, first openings 1281 are formed in the bottom in a staggered mode, water is fed into the first openings 1281 at the bottom of a low water level, the water inlet wall 128 of the drainage pool is equivalent to an overflow weir, and clear water on the upper portion flows in from the top to prevent the silt from entering the water pump 122 of the drainage pool. The mud and sand is discharged through the bottom valve 125, so that the quality of the primary filtering and back flushing water of the recycled filter pool is improved.

The flocculation precipitation mud discharging water collected by the mud discharging assembly 11 is homogenized by adopting a plug flow stirrer 114, the mud discharging quality is stable, and the running stability of the sludge drying bed 15 is ensured.

The sludge drying bed 15 is arranged at the tops of the sludge discharge assembly 11 and the water discharge assembly 12, and the upper sludge of the infiltration water discharge system is concentrated, so that the sludge amount is reduced, and the transportation cost is reduced. The filtered clean water of the osmotic drainage system has better quality, and finally, the filtered clean water is recycled to the water inlet end of the water purification facility, so that water resources are saved and the osmotic clean water is recycled. The sludge drying bed 15 is divided into a plurality of grids, and the work of respectively carrying out wheel change into mud feeding, drying and mud discharging is carried out, so that the continuous operation of sludge concentration and drying is ensured.

The above embodiments are only for illustrating the technical solution of the present application and not for limiting the same, and although the present application has been described in detail with reference to the above preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present application.

Claims (8)

1. A sludge water treatment facility comprising:

The mud discharging assembly comprises a mud discharging pond, wherein the mud discharging pond is arranged below the ground and is used for collecting and treating flocculated and precipitated mud water;

The drainage assembly comprises a drainage pond, the drainage pond is arranged below the ground, the drainage pond and the sludge drainage pond are arranged at intervals, and the drainage pond is used for collecting and treating primary filtered water or backwash water of the filter tank;

The sludge drying assembly comprises at least two sludge drying beds, one sludge drying bed is arranged on the ground above the sludge discharge pond and is communicated with the bottom of the sludge discharge pond, and the other sludge drying bed is arranged on the ground above the sludge discharge pond and is communicated with the bottom of the sludge discharge pond.

2. The sludge water treatment facility of claim 1 wherein:

The mud discharging assembly further comprises a plug flow stirrer, the plug flow stirrer is arranged in the mud discharging pond and is used for stirring mud water in the mud discharging pond so as to stir and homogenize the mud water.

3. The sludge water treatment facility of claim 2 wherein:

the mud discharging assembly further comprises a mud discharging pool water inlet pipe, a mud discharging pool water outlet pipe and mud discharging Chi Shuibeng, the mud discharging pool water inlet pipe is arranged on one side wall of the mud discharging pool, the mud discharging pool water outlet pipe is arranged on the other side wall of the mud discharging pool water inlet pipe, the mud discharging pool water outlet pipe extends towards the mud drying field, the mud discharging pool water pump is connected to the mud discharging pool water outlet pipe, the mud discharging pool water outlet pipe is close to one end of the mud discharging pool, and the plug flow stirrer is arranged at the position, close to the mud discharging pool water inlet pipe, of the mud discharging pool, and mud is stirred towards the direction of the mud discharging pool water outlet pipe.

4. The sludge water treatment facility of claim 1 wherein:

The drainage assembly further comprises a drainage pool water inflow flower wall and a drainage pool water outflow flower wall, the drainage pool water inflow flower wall and the drainage pool water outflow flower wall are arranged in the drainage pool at intervals, a plurality of first holes are formed in the bottom of the drainage pool water inflow flower wall, a plurality of first holes are arranged at intervals, a plurality of second holes are formed in the bottom of the drainage pool water outflow flower wall, and a plurality of second holes are arranged at intervals.

5. The sludge water treatment facility of claim 4 wherein:

the drainage assembly further comprises a plurality of pool bottom valves and a plurality of sand discharge pipes, the pool bottom valves are arranged between the water inflow flower walls of the drainage pool and the water outflow flower walls of the drainage pool at intervals, and the pool bottom valves and the sand discharge pipes are in one-to-one correspondence and are connected.

6. The sludge water treatment facility of claim 5 wherein:

the drainage assembly further comprises a sand discharge pump and a manual gate valve, the sand discharge pump is connected to the sand discharge pipe, the manual gate valve is arranged between the sand discharge pump and the sand discharge pipe, and the sand discharge pump is communicated with or disconnected from the sand discharge pipe through the manual gate valve.

7. The sludge water treatment facility of claim 6 wherein:

The drainage assembly further comprises a sand discharge pump water outlet pipe, one end of the sand discharge pump water outlet pipe is connected with the sand discharge pump, and the other end of the sand discharge pump water outlet pipe extends towards the sludge drying bed.

8. The sludge water treatment facility of claim 1 wherein:

The sludge drying assembly further comprises a sludge drying permeation layer and a sludge drying drain pipe, the sludge drying permeation layer is laid on the sludge drying bed, the sludge drying drain pipes are respectively arranged at the bottoms of the sludge drying permeation layer, and a third opening is formed in the peripheral surface of the sludge drying drain pipe and used for enabling water in the sludge drying permeation layer to permeate and drain.