CN211770478U - Wastewater recycling system - Google Patents
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- CN211770478U CN211770478U CN202020142099.XU CN202020142099U CN211770478U CN 211770478 U CN211770478 U CN 211770478U CN 202020142099 U CN202020142099 U CN 202020142099U CN 211770478 U CN211770478 U CN 211770478U
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Abstract
The utility model relates to the cyclic utilization of waste water, in particular to a waste water cyclic utilization system, which comprises a waste water collecting unit and a sedimentation tank; the sedimentation tank comprises a sludge settling area and a clear water area, the wastewater collection unit can collect and collect the wastewater in the wastewater discharge source area to the sludge settling area, the sludge in the sedimentation tank can be collected to the bottom of the sludge settling area, and the slurry in the sludge settling area can be conveyed to the calcining furnace; clear water district can carry the water in the clear water district to sprinkler, and clear water district can also be through moisturizing pipeline and the controllable intercommunication of outside water source. The system can collect wastewater in a wastewater discharge source region for cyclic utilization, can also discharge sludge in the wastewater in a harmless manner, and achieves the purposes of being green, environment-friendly and saving water resources. When the system is applied to a cement production line, the wastewater circulation is realized, and the resource recovery in the sludge is realized on the basis of zero pollution discharge.
Description
Technical Field
The utility model relates to a waste water cyclic utilization specifically relates to a waste water cyclic utilization system.
Background
In industrial production, there is often a large amount of wastewater containing sludge. Taking a cement production line as an example, in a cement clinker production line, sludge-containing wastewater is derived from a main plant vehicle cleaning water and a sludge storage reservoir ground cleaning water, the two types of wastewater are both generated in an unloading hall (namely a wastewater discharge source region) in a main plant, the part of the production wastewater contains a large amount of sludge which is mainly cement clinker, dust and the like, and if the sludge is directly discharged to the environment and is not fully utilized, not only is water resource waste caused, but also water environmental pollution is generated.
In order to save water resources, the water consumption of solid waste projects needs to be reduced as much as possible, and the largest water consumption point of the solid waste projects is the vehicle and ground washing water of a discharge hall of a main building, so that the recycling of part of production wastewater is particularly important. A huge number of cement clinker production lines are owned in China, if a proper mode can be adopted, the part of production wastewater is collected, treated and recycled, the environment is greatly improved, the consumption and the waste of water resources are reduced, and the cement clinker production line has better social and economic benefits.
However, as mentioned above, the waste water contains a large amount of sludge, which is not suitable for direct discharge, and even if the water resource can be recycled, the problem of sludge discharge needs to be further solved to avoid secondary pollution.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a waste water cyclic utilization system, this waste water cyclic utilization system not only can get up waste water discharge source region waste water and carry out cyclic utilization, can also carry out harmless the emission with the mud in the waste water, realizes the purpose of green, environmental protection and water economy resource. When the system is applied to a cement production line, not only is waste water applied, but also sludge is recycled on the basis of zero pollution discharge, and resources are further saved.
In order to realize the aim, the utility model provides a wastewater recycling system, which comprises a wastewater collecting unit and a sedimentation tank communicated with the wastewater collecting unit; the sedimentation tank comprises a sludge settling area and a clear water area communicated with the sludge settling area, the wastewater collection unit can collect and collect the sewage in the wastewater discharge source area to the sludge settling area in the sedimentation tank, the sludge in the sedimentation tank can be collected to the bottom of the sludge settling area, and the slurry in the sludge settling area can be conveyed to the calcining furnace; clear water district can carry the water in the clear water district to sprinkler, and clear water district can also be through moisturizing pipeline and the controllable intercommunication of outside water source.
Preferably, the sedimentation tank is divided into a sediment zone and a clear water zone through the perforated wall, and the bottom of the sediment zone is arranged in a downward slope along the direction far away from the clear water zone.
Preferably, the wastewater collection unit comprises a plurality of drainage ditches arranged in the wastewater discharge source region and a water collection pit communicated with the drainage ditches, wastewater in the wastewater discharge source region can flow into the drainage ditches in a slope direction and is collected to the water collection pit, and the bottom of the water collection pit is communicated with the sedimentation tank through a pipeline or a groove arranged in the slope direction.
Preferably, a water pump is arranged in the clear water area, and the water pump is arranged at the bottom of the clear water area and is communicated with the water spraying equipment through a pipeline.
Preferably, the water spraying device is a water gun or a water outlet pipe.
Preferably, the water gun further comprises a control cabinet arranged in the wastewater discharge source region, and a control switch on the control cabinet can interlock a power switch of the water gun and a power switch of the water pump.
Preferably, a hydraulic water level control valve is further arranged in the clean water area, and the hydraulic water level control valve can monitor whether the target water level of the clean water area is reached so as to open or close the water replenishing pipeline and the external water source.
Preferably, a sludge pump is arranged at the bottom of the sludge settling zone, and the sludge pump can convey the slurry in the sludge settling zone to the calcining furnace; or the device also comprises a sludge bin, the sludge pump can convey the slurry in the sludge settling zone to the sludge bin firstly, and then the slurry is conveyed to the calcining furnace through the sludge pump arranged in the sludge bin.
Preferably, the clear water area is also provided with a water level alarm device, the water level alarm device can monitor the water level condition, alarm when the water level condition is higher than the water level high limit or lower than the water level low limit, and stop slurry conveying when the water level condition is lower than the water level low limit; and stopping water replenishing when the water level is higher than the water level upper limit.
The utility model also provides an utilize the aforesaid waste water cyclic utilization method of waste water cyclic utilization system, a serial communication port, include: collecting sewage in a wastewater discharge source area through a wastewater collection unit and collecting the sewage into a sedimentation tank; collecting the sludge in the sedimentation tank to a sludge settling area in the sedimentation tank, and then conveying the slurry in the sludge settling area to a calcining furnace; conveying water in a clear water area in the sedimentation tank to water spraying equipment; under the condition that the water in the clean water area in the sedimentation tank is insufficient, the water supplementing pipeline is communicated with an external water source to supplement the water in the clean water area.
The utility model also provides an application of the waste water cyclic utilization system and the waste water cyclic utilization method in the circulation of the waste water in the solid waste discharging area of the cement production line.
The utility model discloses with foretell waste water collection unit of converging, collect to the heavy mud district in the sedimentation tank again, and the sedimentation tank divide into the clear water district of relative clarification and the heavy mud district that contains a large amount of mud with waste water under gravity or external intervention, and the water in clear water district is carried to water jet equipment through the pipeline, and like this, water jet equipment can wash the solid useless haulage vehicle or the mud repository in waste water discharge source region once more to realized the reuse of the water resource in the waste water; the clean water area can be controllably communicated with an external water source through a water supplementing pipeline, so that the water supplementing pipeline can be opened under the condition that the water in the sedimentation tank is not much, and the water of the external water source is introduced into the clean water area of the sedimentation tank, so that the cleaning work set by the water spraying equipment cannot be interrupted; and on the other hand, the sludge settling zone is communicated with the calcining furnace through a pipeline, and the slurry containing a large amount of sludge below the sludge settling zone can be conveyed to the calcining furnace. Like this, this waste water cyclic utilization system not only can collect waste water discharge source region waste water and carry out cyclic utilization, can also carry out harmless the emission with the mud in the waste water, realizes the purpose of green, environmental protection and water economy resource.
Taking the comprehensive utilization of solid waste project of 300t/d cement kiln as an example, the amount of waste water for flushing sludge storage warehouse vehicles and the ground is about 35m3The recycling rate of the collected and treated wastewater can reach more than 80 percent, and cement factories already use the wastewaterThe water supply treatment pump house can meet the requirement of newly increased production water consumption of solid waste projects; simultaneously has the following benefits:
(1) the zero discharge of the waste water is realized, the pollution to the environment caused by directly discharging the waste water without treatment is avoided, and the method has better environmental protection benefit.
(2) Compared with the method that the waste water treatment device is added for discharging after reaching the standard, the method has lower one-time investment, and simultaneously, the kiln tail decomposing furnace is used as the sludge calcining furnace, and the slurry is sent to the high-temperature part of the kiln tail decomposing furnace for incineration, so that the method has better economic benefit and can also recover clinker and the like in the sludge.
(3) Effectively saves water resources and has better social benefit.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a flow diagram of a wastewater recycling process;
FIG. 2 is a schematic structural view of a system for recycling flushing wastewater according to a specific embodiment of the present invention;
FIG. 3 is a schematic view of the installation of a water pump and a sludge pump according to a specific embodiment of the present invention;
fig. 4 is a schematic structural view of a perforated wall according to a specific embodiment of the present invention.
Description of the reference numerals
1 drainage ditch 2 sump pit
3 sedimentation tank 4 water pump
5 pipeline 6 water gun
7 sludge pump 8 sludge settling zone
9 clear water district 10 perforated wall
11 mud storehouse 12 kiln tails dore furnaces
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
In the present invention, unless otherwise specified, the terms "upper, lower, top, bottom, far, near, side" and the like included in the terms "an orientation" merely represent an orientation of the terms in a conventional use state or a colloquial meaning understood by those skilled in the art, and should not be construed as limiting the terms.
The utility model provides a wastewater recycling system, which comprises a wastewater collecting unit and a sedimentation tank communicated with the wastewater collecting unit; the sedimentation tank comprises a sludge settling area and a clear water area communicated with the sludge settling area, the wastewater collection unit can collect and collect the sewage in the wastewater discharge source area to the sludge settling area in the sedimentation tank, the sludge in the sedimentation tank can be collected to the bottom of the sludge settling area, and the slurry in the sludge settling area can be conveyed to the calcining furnace; clear water district can carry the water in the clear water district to sprinkler, and clear water district can also be through moisturizing pipeline and the controllable intercommunication of outside water source.
In the technical scheme, the wastewater discharge source area can be multiple, as long as can produce the waste water that contains certain mud or solid all be suitable for the utility model discloses.
The utility model discloses to converge into waste water collection unit, collect to the heavy mud district in the sedimentation tank again, and the sedimentation tank divides into the clear water district of relative clarification and the heavy mud district that contains a large amount of mud with waste water under gravity or external intervention, and the water in clear water district is carried to sprinkler apparatus through the pipeline, and like this, sprinkler apparatus can wash the solid useless haulage vehicle or the mud repository in waste water discharge source region again to realized the reuse of the water resource in the waste water; the clean water area can be controllably communicated with an external water source through a water supplementing pipeline, so that the water supplementing pipeline can be opened under the condition that the water in the sedimentation tank is not much, and the water of the external water source is introduced into the clean water area of the sedimentation tank, so that the cleaning work set by the water spraying equipment cannot be interrupted; on the other hand, the sludge settling zone is communicated with the calciner through a pipeline, so that slurry containing a large amount of sludge below the sludge settling zone can be conveyed to the calciner.
And use the cement trade as an example, the utility model is suitable for a cement trade's the regional waste water cyclic utilization of unloading of solid useless. The solid waste discharge area wastewater sources are mainly but not limited to the following two types: (1) when the solid waste transport vehicle enters a discharging area such as a discharging hall, after discharging is finished, the ground and the transport vehicle need to be washed, and a certain amount of waste water can be generated; (2) the sludge reservoir often has some sludge around it that requires periodic flushing to produce a certain amount of wastewater. The calcining furnace is a decomposing furnace at the tail of the kiln in a cement production line, so that washing water of a discharge hall of a main factory building of a solid waste project can be recycled to save water resources, zero discharge is realized by sludge treatment on a cement clinker production line of a cement plant, and clinker and the like in sludge can be recycled.
In the above technical solution, the sedimentation tank is divided into a clear water area and a sludge area in various ways, for example, by arranging a screen, filtering, etc. The utility model relates to an in the preferred embodiment, the sedimentation tank divide into mud settling area and clear water district through the wall of perforating with the sedimentation tank, and just set up and perforate the distance that the bottom of hole is higher than mud layer in the mud settling area apart from the bottom of the pool along the direction downhill slope that keeps away from clear water district at the bottom of the mud settling area. Therefore, the sludge in the sedimentation tank is gradually collected to the downward slope of the sludge settling area under the action of gravity, and the sludge cannot be collected to the clear water area through the hole of the perforated wall, so that the water quality of the clear water area is ensured. The relative clear water and the sludge in the wastewater can be separated without electric equipment and the like, so that on one hand, energy is saved, and on the other hand, the investment cost is reduced.
Preferably, the slope of the bottom of the mud settling area in the downward sloping direction in the direction far away from the clear water area is not less than 3%.
And the water conveying mode from the clean water area to the pipeline and the water spraying equipment can be various, such as low-pressure extraction and the like. The utility model relates to an in the preferred embodiment, be provided with the water pump in the clear water district, the water pump sets up in the clear water district and is linked together through pipeline and sprinkler. And the setting to the pipeline can have the multiple, and PVC pipe or nonrust steel pipe all can realize the utility model discloses.
The water pump can set up in a plurality of regions in clear water district, as long as be in below the target water level, all can realize the utility model discloses. In order to reduce the supply of external water sources and thus save water resources, it is preferable that the water pump is disposed at a lower position of the fresh water area.
In order to reduce the supply of external water source and save water resource, it is further preferable that the bottom part of the clean water area is sunk downwards to form a clean water pit, and the water pump is arranged in the clean water pit, so that the lowest water level can be further reduced, external make-up water is reduced, and water is saved.
The water spraying device may have a variety of options, such as a conventional faucet or the like. In a preferred embodiment of the present invention, the water spraying device is a water gun or a water outlet pipe. Thus, the cleaning can be performed by an external cleaning target.
There are various ways for the waste water collecting unit, for example by connecting it via a pipe to a drain arranged in the ground area, etc. In a preferred embodiment of the present invention, the wastewater collection unit includes a plurality of drainage ditches disposed in the wastewater discharge source region and a water collection pit communicated with the drainage ditches, wastewater in the wastewater discharge source region can flow into the drainage ditches in a sloping direction and collect in the water collection pit, and the bottom of the water collection pit is communicated with the sedimentation tank through a pipeline or a groove disposed downward in the sloping direction. Further preferably, the bottom surface of the wastewater source region is sloped toward the drainage ditch. Therefore, the utility model discloses a mode that gravity converges collects waste water, so sets up, compares with conventional pipe connection, can prolong the life of waste water collection unit, and the input cost is low moreover.
The utility model relates to an in the preferred embodiment, still including setting up in the switch board in waste water source district, control switch on the switch board can be chain with the switch of squirt and water pump. Like this, interlock the switch, the sewage pump of controlling cabinet and washing squirt from area respectively, open switch when needs wash, open the water pump operation through the PLC in the switch board, the squirt goes out water and washes. More convenient and faster.
The utility model relates to an in the preferred embodiment, still be provided with hydraulic pressure water level control valve in the clear water district, hydraulic pressure water level control valve can monitor whether reaching the target water level in clear water district in order to open or close moisturizing pipeline and outside water source. When the water level of the sedimentation tank reaches a high water level, the hydraulic water level control valve is automatically closed, the sedimentation tank stops water replenishing, and the water pump can be started to wash the water outwards according to actual needs. Therefore, the water level in the sedimentation tank is always in the target water level range, and the continuity of operation is ensured.
The utility model relates to an in preferred embodiment, the bottom in heavy mud district is provided with the sludge pump, and the sludge pump can be carried the mud in heavy mud district to calcining the stove, and like this, the mud in mud district can directly get into and calcine the stove, neither influences the conventional work of calcining the stove, can realize the zero release of mud again.
The utility model discloses in another kind of preferred embodiment, still include the sludge warehouse, the bottom in heavy mud district is provided with the sludge pump, and the sludge pump can carry the mud in heavy mud district to the sludge warehouse earlier, and the rethread sets up the sludge pump in the sludge warehouse and carries to calcining the furnace. Therefore, the intermittent treatment can be realized, and the energy is saved.
The utility model also provides an in the preamble waste water cyclic utilization system's waste water cyclic utilization method, a serial communication port, include: collecting sewage in a wastewater discharge source area through a wastewater collection unit and collecting the sewage into a sedimentation tank; collecting the sludge in the sedimentation tank to a sludge settling area in the sedimentation tank, and then conveying the slurry in the sludge settling area to a calcining furnace; conveying water in a clear water area in the sedimentation tank to water spraying equipment; under the condition that the water in the clean water area in the sedimentation tank is insufficient, the water supplementing pipeline is communicated with an external water source to supplement the water in the clean water area.
The utility model discloses with waste water collection unit of converging, collect to the sedimentation tank again, and the sedimentation tank divides into the clear water district of relative clarification and the heavy mud district that contains a large amount of mud with waste water under gravity or external intervention, and the water in clear water district is carried to water jet equipment through the pipeline, and like this, water jet equipment can wash the solid useless haulage vehicle or the mud repository in waste water discharge source region once more to realized the reuse of the water resource in the waste water; the clean water area can be controllably communicated with an external water source through a water supplementing pipeline, so that the water supplementing pipeline can be opened under the condition that the water in the sedimentation tank is not much, and the water of the external water source is introduced into the clean water area of the sedimentation tank, so that the cleaning work set by the water spraying equipment cannot be interrupted; on the other hand, the sludge settling zone is communicated with the calciner through a pipeline, so that slurry containing a large amount of sludge below the sludge settling zone can be conveyed to the calciner. The calcining furnace is a decomposing furnace at the tail of the kiln in a cement production line, so that the rinsing water of the discharge hall of the main factory building of the solid waste project can be recycled to save water resources, and the zero discharge is realized by sludge treatment on the cement clinker production line of a cement plant.
The utility model also provides an application of the waste water cyclic utilization system and the waste water cyclic utilization method in the circulation of the waste water in the solid waste discharging area of the cement production line. Namely, the wastewater discharge source area in the utility model is a solid waste discharge area of the cement production line, and the calcining furnace is a kiln tail decomposing furnace.
In a specific embodiment of the present invention, as shown in fig. 2, the solid waste main building unloading hall ground and the vehicle washing waste water are collected by the drainage ditch 1 and the water collection pit 2, and then the gravity flows into the outdoor sedimentation tank 3, the size of the sedimentation tank 3 can be adjusted as required, for example, 6m (long) × 3m (wide) × 3.5m (high), and the effective volume is about 50m3The sedimentation tank 3 is divided into a sludge settling area 8 and a clear water area 9 by a perforated wall 10 (as shown in fig. 3, the structural schematic diagram of the perforated wall 10 is shown in fig. 4), the bottom of the sedimentation tank is provided with 3% of slope to the sludge settling area 8, the clear water area 9 at the tail end of the sedimentation tank 3 is provided with two water pumps 4 (one for one), the water pumps are arranged in a water requesting pit which is sunken downwards, the water pumps are connected to a water gun 6 arranged in a discharging hall through stainless steel pipes 5, a control cabinet is arranged at the proper position of the discharging hall, the control cabinet and a flushing water gun are respectively interlocked with the control switch and the water pump switch 4, the control switch is opened when the flushing is needed, the water pump 4 is opened through a PLC in the control cabinet to run, and the water.
The lowest part of the sludge settling area 8 is sunken downwards to form a sludge pit, a sludge pump 7 is arranged in the sludge pit, the sludge deposited in the sludge settling area 8 is discharged to a sludge bin 11 through a pipeline 5 at irregular intervals (the time length is determined according to the number of vehicles and the number of deposited pollutants in a sedimentation tank), and finally the sludge with the water content of more than 80 percent is pumped into a cement kiln to be burnt to a high-temperature part of a kiln tail decomposing furnace 12 for burning.
When the sludge pump 7 is electrically connected with the control cabinet, the opening or closing of the sludge pump 7 can be directly controlled on the panel of the control cabinet when needed.
3 moisturizing pipes of sedimentation tank connect has produced the water supply pipe network from the cement plant, through hydraulic pressure water level control valve automatic control, when 3 water levels of sedimentation tank reach the high water level, hydraulic pressure water level control valve self-closing, 3 stop the moisturizing of sedimentation tank to can start water pump 4 according to actual need and wash. The sedimentation tank 3 is provided with a continuous water level display device, a high water level alarm device, a low water level water stop pump 4, a lowest water level sludge stop pump 7 and a water pump fault alarm device.
As shown in figure 1, the method mainly adopts a drainage ditch 1+ a water collecting pit 2+ a sedimentation tank 3 ' for washing and collecting waste water, adopts a water pump 4+ a pipeline 5+ a water gun 6 ' for washing the ground of a vehicle and an unloading hall to realize the recycling of the waste water, adopts a sludge pump 7+ a pipeline 5 ' for recycling slurry to a sludge bin 11, finally sends the slurry with the water content of more than 80% to a cement kiln firing kiln tail decomposing furnace 12 for burning at a high-temperature part together with the sludge, realizes the zero pollution discharge of the sludge, and recycles clinker and the like in the sludge.
Taking the comprehensive utilization of solid waste project of 300t/d cement kiln as an example, the amount of waste water for flushing sludge storage warehouse vehicles and the ground is about 35m3The recycling rate of the collected and treated wastewater can reach more than 80%, and the water supply treatment pump house built in a cement plant can meet the requirement of newly increased production water consumption of a solid waste project; simultaneously has the following benefits:
(1) the zero discharge of the waste water is realized, the pollution to the environment caused by directly discharging the waste water without treatment is avoided, and the method has better environmental protection benefit.
(2) Compared with the method that the waste water treatment device is added for discharging after reaching the standard, the method has lower one-time investment, and simultaneously, the slurry is sent into the kiln tail decomposing furnace 12 for burning at the high-temperature part, thereby having better economic benefit.
(3) Effectively saves water resources and has better social benefit.
Thus, the utility model discloses an aspect relies on cement manufacture line to build and establishes in the cement plant, and the process water is whole to come from the feedwater treatment pump station and the outdoor production water supply pipe network of building the cement plant, for not influencing the operation of cement manufacture line. The washing wastewater is collected by a drainage ditch of the unloading hall and then discharged to an outdoor sedimentation tank, supernatant after clarification is used as washing water and is pressurized by a water pump for cyclic utilization, a clear water replenishing pipe of the sedimentation tank replenishes water according to the height of the water level through a hydraulic water level control valve, and the circulation rate is more than 80%.
On the other hand, the utility model discloses adopt the sludge pump to send into the cement kiln with the moisture content and burn to burn kiln tail dore furnace high temperature position and burn. Because the water content of the mud deposited in the sedimentation tank is more than 80 percent, the mud is discharged to a mud bin by a mud pump at irregular intervals and then is conveyed to a high-temperature part of a kiln tail decomposing furnace by pump power for burning, thereby realizing zero discharge of waste water and recycling clinker and the like in the mud.
If a proper mode can be adopted to collect, treat and recycle the part of production wastewater, the environment can be greatly improved, the consumption and the waste of water resources are reduced, and the cement clinker production line has better social and economic benefits.
The utility model discloses be suitable for but not limited to cement trade's waste water recycle.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.
Claims (10)
1. A wastewater recycling system is characterized by comprising a wastewater collecting unit and a sedimentation tank communicated with the wastewater collecting unit; the sedimentation tank comprises a sludge settling area and a clear water area communicated with the sludge settling area, the wastewater collection unit can collect and collect the sewage in the wastewater discharge source area to the sludge settling area in the sedimentation tank, the sludge in the sedimentation tank can be collected to the bottom of the sludge settling area, and the slurry in the sludge settling area can be conveyed to the calcining furnace;
clear water district can carry the water in the clear water district to sprinkler, and clear water district can also be through moisturizing pipeline and the controllable intercommunication of outside water source.
2. The wastewater recycling system according to claim 1, wherein the sedimentation tank is divided into a sludge settling zone and a clear water zone by a perforated wall, and the bottom of the sludge settling zone is disposed in a downward sloping direction in a direction away from the clear water zone.
3. The wastewater recycling system according to claim 1, wherein the wastewater collection unit comprises a plurality of drainage ditches provided in the wastewater discharge source region, and a water collection pit communicating with the drainage ditches, wastewater in the wastewater discharge source region can flow into the drainage ditches in a sloping direction and be collected in the water collection pit, and the bottom of the water collection pit communicates with the sedimentation tank through a pipe or a groove provided in a sloping direction.
4. The wastewater recycling system according to claim 1, wherein a water pump is disposed in the clean water zone, and the water pump is disposed in the clean water zone and is communicated with the water spraying device through a pipeline.
5. The wastewater recycling system of claim 4, wherein the water spraying device is a water gun or a water outlet pipe.
6. The wastewater recycling system of claim 5, further comprising a control cabinet disposed in the wastewater discharge source area, wherein a control switch on the control cabinet can interlock a water gun and a power switch of the water pump.
7. The wastewater recycling system according to claim 1, wherein a hydraulic water level control valve is further provided in the clean water zone, and the hydraulic water level control valve can monitor whether the target water level of the clean water zone is reached to open or close the water supply pipeline and the external water source.
8. The wastewater recycling system according to claim 1, wherein a sludge pump is provided at the bottom of the sludge settling zone, and the sludge pump can convey the slurry in the sludge settling zone to the calciner;
or the device also comprises a sludge bin, the sludge pump can convey the slurry in the sludge settling zone to the sludge bin firstly, and then the slurry is conveyed to the calcining furnace through the sludge pump arranged in the sludge bin.
9. The wastewater recycling system according to any one of claims 1 to 8, wherein the clean water zone is further provided with a water level alarm device, the water level alarm device can monitor the water level condition, alarm when the water level condition is higher than the water level upper limit or lower than the water level lower limit, and stop slurry delivery when the water level condition is lower than the water level lower limit; and stopping water replenishing when the water level is higher than the water level upper limit.
10. The wastewater recycling system according to any one of claims 1 to 8, wherein the wastewater discharge source region is a cement production line solid waste discharge region, and the calciner is a kiln tail decomposition furnace.
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| CN202020142099.XU CN211770478U (en) | 2020-01-20 | 2020-01-20 | Wastewater recycling system |
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| CN202020142099.XU CN211770478U (en) | 2020-01-20 | 2020-01-20 | Wastewater recycling system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111137961A (en) * | 2020-01-20 | 2020-05-12 | 安徽海螺建材设计研究院有限责任公司 | Wastewater recycling system and method and application in wastewater recycling of solid waste discharge area of cement production line |
| CN116149394A (en) * | 2023-03-08 | 2023-05-23 | 中国航空规划设计研究总院有限公司 | High-temperature drainage cooling control system and control method for water supplementing and cooling of multiple water sources |
-
2020
- 2020-01-20 CN CN202020142099.XU patent/CN211770478U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111137961A (en) * | 2020-01-20 | 2020-05-12 | 安徽海螺建材设计研究院有限责任公司 | Wastewater recycling system and method and application in wastewater recycling of solid waste discharge area of cement production line |
| CN116149394A (en) * | 2023-03-08 | 2023-05-23 | 中国航空规划设计研究总院有限公司 | High-temperature drainage cooling control system and control method for water supplementing and cooling of multiple water sources |
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