CN114393712A - Mixing plant waste slurry recovery processing system - Google Patents
Mixing plant waste slurry recovery processing system Download PDFInfo
- Publication number
- CN114393712A CN114393712A CN202210098300.2A CN202210098300A CN114393712A CN 114393712 A CN114393712 A CN 114393712A CN 202210098300 A CN202210098300 A CN 202210098300A CN 114393712 A CN114393712 A CN 114393712A
- Authority
- CN
- China
- Prior art keywords
- slurry
- waste
- pond
- batching
- concentration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/42—Apparatus specially adapted for being mounted on vehicles with provision for mixing during transport
- B28C5/4203—Details; Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S3/00—Vehicle cleaning apparatus not integral with vehicles
- B60S3/04—Vehicle cleaning apparatus not integral with vehicles for exteriors of land vehicles
Abstract
The invention discloses a mixing plant waste pulp recovery processing system, which comprises a waste pulp recovery processing system, wherein the waste pulp recovery processing system is used for recovering and processing waste pulp in real time, the waste pulp recovery processing system comprises a blending device used for recovering and processing the waste pulp in real time, a preset proportion of an activating agent and a preservative are added into the blending device in advance and are uniformly stirred, in the process of recovering the waste pulp in real time, the waste pulp recovery processing system monitors the activity of the waste pulp in real time and adds the preset proportion of the preservative after reaching a preset standard so as to control the activity of the waste pulp within a preset range, and the waste pulp kept within the preset range flows out and is recovered and reused. The invention has the advantages of cost reduction, efficiency improvement, pollution reduction, environmental protection and the like.
Description
Technical Field
The invention relates to the technical field of recycling of waste slurry in a mixing plant, in particular to a recycling system of waste slurry in a mixing plant.
Background
The waste slurry of the ready-mixed concrete mixing plant is waste generated in the production process of concrete, mainly comes from site, vehicle, mixer cleaning and waste concrete, and waste slurry generated after sand-stone separation in production sampling, and mainly comprises water and fine solid particles (including cement hydration products, unhydrated cement particles, mineral admixture, partial additive, superfine sand and the like). It is statistical that producing 1 cubic concrete will produce about 20kg of waste slurry, and disposal of the production waste is a traditional problem for a mixing plant.
At present, the common method for treating waste slurry in a mixing plant is that unhardened waste concrete enters a sand-stone separator to realize sand-stone recycling, waste slurry enters a three-stage precipitation system, the precipitated waste slurry can only be stacked in the mixing plant if the waste slurry is not used, and cakes are made and transported to a building garbage landfill site to be buried at fixed points after a certain stacking amount is reached.
How to solve the above problems is a technical problem to be solved urgently.
Disclosure of Invention
The invention aims to provide a mixing plant waste slurry recycling system which can reduce cost, improve efficiency and reduce pollution.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a mixing plant waste slurry recycling system which comprises a waste slurry recycling system, wherein the waste slurry recycling system is used for recycling and processing waste slurry in real time, the waste slurry recycling system comprises a blending device used for recycling and processing waste slurry in real time, a preset proportion of an activating agent and a preservative are added into the blending device in advance and are uniformly stirred, in the process of recycling the waste slurry in real time, the waste slurry recycling system monitors the activity of the waste slurry in real time, the preset proportion of the preservative is added after the activity of the waste slurry reaches a preset standard so as to control the activity of the waste slurry within a preset range, and the waste slurry in the preset range flows out and is recycled.
Furthermore, the preset proportion range of the activator which is added in the blending device in advance is that the weight of the waste pulp is taken as the concentration of the waste pulp multiplied by 100 multiplied by (0.1-0.3) kg/ton, and the weight of the preservative which is added in advance is taken as the concentration of the waste pulp multiplied by 100 multiplied by (0.03-0.05) kg/ton according to the preset proportion range; in the process of recovering the waste pulp in real time, the preset proportion range of the preservative added per hour is that the weight of the waste pulp is calculated according to the concentration of the waste pulp multiplied by 100 multiplied by (0.03-0.05) kg/ton.
Further, include the carwash groove, grit separator, the carwash thick liquid pond that connect gradually through the pipeline, still include can separate into thin paste and thick liquid's mud-water separator with the waste slurry, can allocate the thick slurry to required concentration and maintain the active blending device of thick liquid, can obtain the recovery unit of low concentration waste water with the further processing of thin paste, wherein, mud-water separator passes through the pipeline and is connected with the carwash thick liquid pond, and above-mentioned mud-water separator is connected and this mud-water separator is connected with recovery unit through a thick liquid pipe, the blending device passes through the pipeline and is connected with outside muddy earth production line and this blending device is connected with recovery unit through an inlet tube, and grit separator, mud-water separator, blending device, recovery unit all are connected with a controller electricity.
Further, the blending device includes the batching pond, deposits the thick liquid pond, is equipped with the first batching jar of activator, the third batching jar that is equipped with the antistaling agent, the batching pond is connected and is batched the pond, deposits thick liquid pond, outside muddy earth production line and connects gradually through the pipeline with first batching jar, third batching jar respectively through the pipeline, wherein, the batching pond is connected and should be connected through inlet tube and recovery unit with mud-water separator through thick liquid pipe and this batching pond, and, install level sensor, weighing sensor, the temperature sensor that the multiunit equidistance set up from bottom to top on the batching pond, level sensor, weighing sensor, each temperature sensor all are connected the data that form the inside thick liquid of batching pond and calculate corresponding concentration and the active structure of thick liquid with the controller electricity.
Further, the concentration is calculated by the formula
The NDs represents the real-time concentration of the slurry, Mp represents the weight of the slurry monitored by a weighing sensor, MJp represents the bottom area of a dosing tank, Hp represents the liquid level height of the slurry monitored by a liquid level sensor, and FBZ represents a specific gravity concentration increment coefficient, namely a specific gravity value of the increase of the concentration by 1 percentage point, and the parameter value is 0.0066.
Further, the calculation formula of the slurry activity is as follows
Wherein, teRepresenting equivalent time of hydration heat of the slurry, and the larger value represents the smaller activity of the slurry; e represents the activation energy of the slurry and has a parameter value of 53732J/mol; r represents a gas constant with a parameter value of 8.3144J/(mol.K); t isrRepresents the initial temperature of the slurry just prepared, which is measured by a water temperature sensor located at the lowest part of the proportioning tank; Δ t represents a preset time interval; Δ τ represents the time interval of sampling at a preset temperature of 20 ℃; t represents the average temperature over a time interval Δ T;
represents the average temperature in the ith (i > 1) time interval; delta taue,jRepresenting the equivalent time of hydration heat of the slurry at a temperature of 20 c.
Further, all install the mixer on batching pond, the deposit thick liquid pond, two the mixer all is connected with the controller electricity.
Further, recovery unit is including the sedimentation tank, the recovery pond that are linked together, wherein, the sedimentation tank is connected with mud-water separator through thin thick liquid pipe, the recovery pond passes through the pipeline and is connected with the carwash groove and this recovery pond passes through the inlet tube and is connected with the batching pond, and, install concentration meter, the measuring pump of intaking on the recovery pond, concentration meter, the measuring pump of intaking all are connected with the controller electricity, the recovery pond passes through the measuring pump of intaking and advances water piping connection.
Further, still including clean water reservoir, the second batching jar that is equipped with the defoaming agent, wherein, clean water reservoir passes through the pipeline and is connected with recovery pond, outside concrete production line respectively, the second batching jar passes through the pipeline and is connected with the carwash groove.
Further, all install the batching measuring pump on first batching jar, second batching jar, the third batching jar, each the batching measuring pump is connected with corresponding pipe connection and each batching measuring pump all is connected with the controller electricity respectively.
Due to the adoption of the structure, the invention has the following beneficial effects:
the waste slurry recovery processing system is used for recovering and processing the waste slurry in real time, blending the waste slurry with unstable concentration into the slurry according with the preset concentration, adding the activating agent and the preservative in the preset proportion, and replacing part of raw materials required by concrete production so as to convey the raw materials to an external concrete production line for utilization. Therefore, the invention can recover the waste water and the waste slurry produced by the mixing plant, and concentrate and blend the waste water and the waste slurry with unstable concentration into the slurry which replaces part of raw materials required by concrete production and maintains the activity of the slurry for a long time, thereby fully recycling the waste slurry, building the dynamic balance of the waste water and the waste slurry of the mixing plant, and completely utilizing the waste water and the waste slurry, thereby effectively reducing cost and improving efficiency and lightening the pollution to the environment.
The invention will become more apparent from the following description when taken in conjunction with the accompanying drawings, which illustrate embodiments of the invention.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic view of the overall structure of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the waste slurry recycling system of a mixing plant provided by the present invention includes a waste slurry recycling system, the waste slurry recycling system is configured to recycle and process waste slurry in real time, the waste slurry recycling system includes a blending device configured to recycle and process waste slurry in real time, a predetermined proportion of an activating agent and an antistaling agent are added into the blending device in advance and uniformly mixed, during the process of recycling waste slurry in real time, the waste slurry recycling system monitors the activity of waste slurry in real time and adds the antistaling agent in a predetermined proportion after reaching a predetermined standard to control the activity of waste slurry within a predetermined range, and the waste slurry in the predetermined range is recycled.
In the invention, the preset proportion range of the activator added in advance in the blending device is that the weight of the waste pulp is based on the concentration of the waste pulp multiplied by 100 multiplied by (0.1-0.3) kg/ton, the preset proportion range of the preservative added in advance is that the weight of the waste pulp is based on the concentration of the waste pulp multiplied by 100 multiplied by (0.03-0.05) kg/ton, for example, when the concentration of the waste pulp is 10%, the amount of the activator added in each ton of the waste pulp is 10% multiplied by 100 multiplied by (0.1-0.3) kg, and the amount of the preservative added in each ton of the waste pulp is 10% multiplied by 100 multiplied by (0.03-0.05) kg; in the real-time recovery of the waste pulp, the preset proportion range of the preservative added per hour is that the weight of the waste pulp is calculated according to the concentration of the waste pulp multiplied by 100 multiplied by (0.03-0.05) kg/ton, for example, when the concentration of the waste pulp is 10%, 10% multiplied by 100 multiplied by (0.03-0.05) kg of the preservative is added per ton of the waste pulp per hour.
The invention comprises a car washing tank 1, a sand-stone separator 2 and a car washing slurry pool 3 which are connected in sequence through pipelines, a mud-water separator 4 which can separate waste slurry into thin slurry and thick slurry, a blending device which can blend the thick slurry to the required concentration and maintain the activity of the slurry, a recovery device which can further process the thin slurry to obtain low-concentration waste water, wherein the mud-water separator 4 is connected with the car washing slurry tank 3 through a pipeline, the mud-water separator 4 is connected with the blending device through a thick slurry pipe 5, the mud-water separator 4 is connected with the recovery device through a thin slurry pipe 6, the blending device is connected with an external concrete production line through a pipeline and is connected with a recovery device through a water inlet pipe 7, and the sand-stone separator 2, the mud-water separator 4, the blending device and the recovery device are all electrically connected with a controller. When the concrete washing machine is used, a vehicle returning to a mixing station after concrete is transported washes the vehicle in the washing tank 1, waste slurry with solids generated by washing the vehicle enters the sand-stone separator 2, solids such as sand-stone and the like and waste slurry with water-soluble substances are separated, the waste slurry passes through the washing slurry pool 3 and is conveyed into the mud-water separator 4, and the mud-water separator 4 separates the waste slurry into thin slurry and thick slurry; wherein, the thick liquid flows into the blending device through the thick liquid pipe 5, and the thin liquid flows into the recovery device through the thin liquid pipe 6 for further treatment to obtain low-concentration wastewater, and the water can be directly used for washing vehicles or washing mixing plant sites, or can flow into the blending device through the water inlet pipe 7 to be mixed and blended with the thick liquid in the blending device and diluted to the required concentration, and finally is conveyed to an external concrete production line for utilization.
In the invention, the blending device comprises a batching tank 8, a slurry storage tank 9, a first batching tank 10 filled with an activating agent and a third batching tank 21 filled with a preservative, wherein the batching tank 8 is respectively connected with the first batching tank 10 and the third batching tank 21 through pipelines, and the batching tank 8, the slurry storage tank 9 and an external concrete production line are sequentially connected through pipelines, wherein the batching tank 8 is connected with a mud-water separator 4 through a thick slurry pipe 5 and the batching tank 8 is connected with an in through a water inlet pipe 7, the batching tank 8 is provided with a liquid level sensor 11, a weighing sensor 12 and a plurality of groups of water temperature sensors 22 which are equidistantly arranged from bottom to top, each group of water temperature sensors 22 comprises four water temperature sensors 22, the four water temperature sensors 22 are circularly and annularly distributed on the inner wall of the batching tank 8, each water temperature sensor 22 comprises a temperature monitoring module and a pressure monitoring module, when the pressure monitoring module detects that the water level of the slurry overflows the water temperature sensor 22, the temperature monitoring module detects the temperature of the slurry and transmits data to the controller; the liquid level sensor 11, the weighing sensor 12 and the water temperature sensors 22 are electrically connected with the controller to form a structure capable of collecting data of slurry in the batching pool 8 in real time and calculating corresponding concentration and slurry activity. The bottom area of the proportioning pool 8 is obtained through pre-measurement, and the liquid level height and the total liquid weight are respectively measured through the liquid level sensor 11 and the weighing sensor 12, so that the concentration of the slurry in the proportioning pool 8 at present and the water adding amount required for diluting the concentrated slurry at present to the preset target concentration can be calculated.
In the invention, the calculation formula of the concentration is
Wherein NDs represents the real-time concentration of the slurry, Mp represents the weight of the slurry monitored by the weighing sensor 12, MJp represents the bottom area of the dosing tank 3, Hp represents the liquid level height of the slurry monitored by the liquid level sensor 11, FBZ represents the specific gravity concentration increment coefficient, namely the specific gravity value of the concentration increment of every 1 percentage point, and the parameter value is 0.0066.
In the invention, the calculation formula of the slurry activity is as follows
Wherein, TeRepresenting equivalent time of hydration heat of the slurry, wherein the larger the value of the equivalent time, the smaller the activity of the slurry is, and the initial value is 1; e represents the activation energy of the slurry and has a parameter value of 53732J/mol; r represents a gas constant with a parameter value of 8.3144J/(mol.K); t isrRepresents the initial temperature of the slurry just as it is being dispensed, as measured by the water temperature sensor 22 located at the lowest point of the dispensing tank 8; Δ t represents a preset time interval; Δ τ represents the time interval of sampling at a preset temperature of 20 ℃; t represents the average temperature over a time interval Δ T;
represents the average temperature in the ith (i > 1) time interval; delta taue,jRepresenting the equivalent time of hydration heat of the slurry at a temperature of 20 c.
In the invention, the batching tank 8 and the slurry storage tank 9 are both provided with a stirrer 13, and the two stirrers 13 are both electrically connected with a controller. When the automatic mixing machine is used, the two mixers 13 respectively stir the serosity in the proportioning pool 8 and the serosity storage pool 9, so that the waste serosity, the activating agent and the antistaling agent can be uniformly stirred, and the serosity can be effectively prevented from being solidified.
In the invention, the recovery device comprises a sedimentation tank 14 and a recovery water tank 15 which are communicated, wherein the sedimentation tank 14 is a primary sedimentation tank, a secondary sedimentation tank or a tertiary sedimentation tank, and the recovery water tank 15 is a filter water tank; wherein, the sedimentation tank 14 is connected with the mud-water separator 4 through the thin thick liquid pipe 6, the recovery pond 15 is connected with the carwash groove 1 through the pipeline and this recovery pond 15 is connected with batching pond 8 through inlet tube 7, and, install concentration meter 16, intake metering pump 17 on the recovery pond 15, concentration meter 16, intake metering pump 17 all are connected with the controller electricity, the recovery pond 15 is connected with inlet tube 7 through intake metering pump 17. When the concentration meter 16 detects that the water in the recovery water tank 15 meets the preset concentration, the water inlet metering pump 17 sends the wastewater meeting the preset concentration into the dosing tank 8; when the concentration meter 16 detects that the water in the recovery water tank 15 meets the non-preset concentration, the water in the recovery water tank 15 is delivered to the car washing tank 1 for washing the car.
The cleaning device further comprises a cleaning water tank 18 and a second mixing tank 19 filled with a defoaming agent, wherein the cleaning water tank 18 is respectively connected with the recovery water tank 15 and an external concrete production line through pipelines, and the second mixing tank 19 is connected with the car washing tank 1 through a pipeline. When in use, the defoaming agent in the second dosing tank 19 is mixed into the water for washing the vehicle, so that the cleaning can be more thorough; clean water meeting the preset standard is filled in the clean water tank 18, and the source of the clean water includes but is not limited to tap water, river water and rainwater; when the low-concentration waste water recovered by the recovery device is not enough to be supplied to the batching device 8 for batching, the clean water in the clean water tank 18 is conveyed into the recovery water tank 15 through a pipeline and is further supplied to the batching device 8.
In the invention, the first batching tank 10, the second batching tank 19 and the third batching tank 21 are all provided with batching metering pumps 20, each batching metering pump 20 is respectively connected with a corresponding pipeline, and each batching metering pump 20 is electrically connected with a controller.
When the concrete mixer is used, a vehicle returning to a mixing station after transporting concrete washes the vehicle in the washing tank 1, waste slurry with solids generated by washing the vehicle flows into the sand-stone separator 2, solids such as sand and the like and waste slurry with water-soluble substances are separated, the waste slurry is conveyed into the mud-water separator 4 through the washing slurry tank 3, and the waste slurry is separated into thin slurry and thick slurry by the mud-water separator 4; the slurry flows into a recovery device through a slurry pipe 6 and is sequentially precipitated through a sedimentation tank 14 and filtered through a recovery water tank 15 until a concentration meter 16 detects that the concentration of water in the recovery water tank 15 meets a preset low-concentration wastewater standard; the thick slurry flows into a proportioning pool 8 through a thick slurry pipe 5, corresponding data are respectively detected by a liquid level sensor 11 and a weighing sensor 12 and transmitted to a controller, the controller calculates the concentration of the current thick slurry and controls a water inlet metering pump 17 to pump the low-concentration wastewater in a recovery water tank 15 into the proportioning pool 8 through a water inlet pipe 7 to be mixed with the thick slurry, when the concentration of the slurry in the proportioning pool 8 is in accordance with the preset target concentration, the water inlet metering pump 17 is controlled to stop adding water, meanwhile, the controller controls a proportioning metering pump 20 on a first proportioning tank 10 to pump an activating agent into the proportioning pool 8 and controls a proportioning metering pump 20 on a third proportioning tank 21 to pump a safener into the proportioning pool 8, a stirrer 13 on the proportioning pool 8 is controlled to stir, and finally the slurry after the low-concentration wastewater, the thick slurry, the activating agent and the antistaling agent are fully mixed is conveyed into a slurry storage tank 9 to be stored, thereby supplying the external concrete production line for utilization at any time. Therefore, the invention can recover waste water and waste pulp with unstable concentration, concentrate and blend the waste water and waste pulp into high-concentration waste pulp, and maintain the activity of the blended pulp for a long time by an additive technology, and the invention is used for producing mortar or concrete, thereby realizing the purposes of cost reduction, efficiency improvement and environmental protection.
The above description is of the preferred embodiment of the invention. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; those skilled in the art can make many possible variations and modifications to the disclosed embodiments, or modify equivalent embodiments to equivalent variations, without departing from the spirit of the invention, using the methods and techniques disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.
Claims (10)
1. The utility model provides a stirring station waste slurry recovery processing system, includes waste slurry recovery processing system, and this waste slurry recovery processing system is used for retrieving waste slurry and handling in real time, its characterized in that: the waste slurry recovery processing system comprises a blending device for recovering and processing waste slurry in real time, an activating agent and a preservative in a preset proportion are added into the blending device in advance and are uniformly stirred, in the process of recovering the waste slurry in real time, the waste slurry recovery processing system monitors the activity of the waste slurry in real time and adds the preservative in the preset proportion after reaching a preset standard so as to control the activity of the waste slurry within a preset range, and the waste slurry in the preset range is kept flowing out and is recovered for reuse.
2. The mixing plant waste slurry recycling system according to claim 1, wherein: the preset proportion range of the activating agent which is added in the blending device in advance is that the weight of the waste pulp is multiplied by 100 multiplied by (0.1-0.3) kg/ton according to the concentration of the waste pulp, and the preset proportion range of the preservative which is added in advance is that the weight of the waste pulp is multiplied by 100 multiplied by (0.03-0.05) kg/ton according to the concentration of the waste pulp; in the process of recovering the waste pulp in real time, the preset proportion range of the preservative added per hour is that the weight of the waste pulp is calculated according to the concentration of the waste pulp multiplied by 100 multiplied by (0.03-0.05) kg/ton.
3. The mixing plant waste slurry recycling system according to claim 2, wherein: including car wash groove (1), sand-stone separator (2), car wash thick liquid pond (3) that connect gradually through the pipeline, still include can separate into mud-water separator (4) of thin slurry and dense thick liquid with the waste slurry, can allocate the dense thick liquid to required concentration and maintain the active blending device of thick liquid, can obtain the recovery unit of low concentration waste water with the further processing of thin slurry, wherein, mud-water separator (4) are connected with car wash thick liquid pond (3) through the pipeline, and above-mentioned mud-water separator (4) are connected and this mud-water separator (4) are connected with recovery unit through a thin thick liquid pipe (6) through a thick liquid pipe (5) and blending device, the blending device is connected and this blending device is connected with recovery unit through an inlet tube (7) through pipeline and outside muddy earth production line, and, sand-stone separator (2), mud-water separator (4), The blending device and the recovery device are electrically connected with a controller.
4. The mixing plant waste slurry recycling system according to claim 3, wherein: allotment device is including batching pond (8), deposit thick liquid pond (9), be equipped with the activator first batching jar (10), be equipped with the antistaling agent third batching jar (21), batching pond (8) are connected and are batched pond (8), deposit thick liquid pond (9), outside muddy earth production line through the pipeline and connect gradually with first batching jar (10), third batching jar (21) respectively, wherein, batching pond (8) are connected and should be connected through inlet tube (7) and recovery unit through thick liquid pipe (5) and mud-water separator (4), and, batching pond (8) are gone up and are installed level sensor (11), weighing sensor (12), multiunit temperature sensor (22) that the equidistance set up from bottom to top, level sensor (11), weighing sensor (12), each temperature sensor (22) all are connected with the controller electricity and form the data that can gather the inside thick liquid of pond (8) in real time and calculate corresponding Concentration and slurry activity.
5. The mixing plant waste slurry recycling system according to claim 4, wherein: the concentration is calculated by the formula
NDs represents the real-time concentration of the slurry, Mp represents the weight of the slurry monitored by a weighing sensor (12), MJp represents the bottom area of a dosing tank (3), Hp represents the liquid level height of the slurry monitored by a liquid level sensor (11), and FBZ represents a specific gravity concentration increment coefficient, namely a specific gravity value of the concentration increased by 1 percentage point, and the parameter value is 0.0066.
6. The mixing plant waste slurry recycling system according to claim 5, wherein: the calculation formula of the slurry activity is
Wherein, teRepresenting equivalent time of hydration heat of the slurry, and the larger value represents the smaller activity of the slurry; e represents the activation energy of the slurry and has a parameter value of 53732J/mol; r represents a gas constant with a parameter value of 8.3144J/(mol.K); t isrRepresents the initial temperature of the slurry just prepared, measured by a water temperature sensor (22) located at the lowest part of the proportioning tank (8); Δ t represents a preset time interval; Δ τ represents the time interval of sampling at a preset temperature of 20 ℃; t represents the average temperature over a time interval Δ T;
represents the average temperature in the ith (i > 1) time interval; delta taue,jRepresenting the equivalent time of hydration heat of the slurry at a temperature of 20 c.
7. The mixing plant waste slurry recycling system according to claim 6, wherein: all install mixer (13) on batching pond (8), deposit thick liquid pond (9), two mixer (13) all are connected with the controller electricity.
8. The mixing plant waste slurry recycling system according to claim 6, wherein: recovery unit is including sedimentation tank (14), recovery water pond (15) that are linked together, wherein, sedimentation tank (14) are connected with mud-water separator (4) through thin thick liquid pipe (6), recovery water pond (15) are connected through pipeline and carwash groove (1) and this recovery water pond (15) are connected with batching pond (8) through inlet tube (7), and, install concentration meter (16) on recovery water pond (15), intake measuring pump (17), concentration meter (16), intake measuring pump (17) all are connected with the controller electricity, recovery water pond (15) are connected with inlet tube (7) through intake measuring pump (17).
9. The mixing plant waste slurry recycling system according to claim 8, wherein: still include clean water reservoir (18), second batching jar (19) that are equipped with the defoaming agent, wherein, clean water reservoir (18) are connected with recovery water pond (15), outside concrete production line respectively through the pipeline, second batching jar (19) are connected with carwash groove (1) through the pipeline.
10. The mixing plant waste slurry recycling system according to claim 9, wherein: all install batching measuring pump (20) on first batching jar (10), second batching jar (19), third batching jar (21), each batching measuring pump (20) respectively with corresponding pipe connection and each batching measuring pump (20) all be connected with the controller electricity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210098300.2A CN114393712A (en) | 2022-01-27 | 2022-01-27 | Mixing plant waste slurry recovery processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210098300.2A CN114393712A (en) | 2022-01-27 | 2022-01-27 | Mixing plant waste slurry recovery processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114393712A true CN114393712A (en) | 2022-04-26 |
Family
ID=81233137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210098300.2A Pending CN114393712A (en) | 2022-01-27 | 2022-01-27 | Mixing plant waste slurry recovery processing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114393712A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1171371A (en) * | 1997-05-22 | 1998-01-28 | 上海市建筑科学研究院 | Process for comprehensive utilization of waste water and dregs of concrete mixing station |
| US20020108537A1 (en) * | 2001-02-13 | 2002-08-15 | Beckham David James | Concrete recovery system |
| CN105082361A (en) * | 2015-07-01 | 2015-11-25 | 山东柳工混凝土设备有限公司 | Waste residue utilization system of concrete mixing plant and operation technology |
| CN205201816U (en) * | 2015-12-07 | 2016-05-04 | 深圳市为海建材有限公司 | Novel useless thick liquid recycle system in stirring station |
| CN205905188U (en) * | 2016-08-04 | 2017-01-25 | 云南建工集团曲靖建材有限公司 | Concrete mixing plant's adjustable invariable concentration recycle system of useless pulp -water |
| CN109227957A (en) * | 2018-11-02 | 2019-01-18 | 淮北砼友乐环保设备有限公司 | A kind of realization ready-mixed concrete industry waste water and dregs Zero discharging system |
| CN209453886U (en) * | 2018-09-29 | 2019-10-01 | 云南建投曲靖建材有限公司 | A kind of recycling system of concrete mixing plant slug |
| CN113232157A (en) * | 2021-06-03 | 2021-08-10 | 中建西部建设建材科学研究院有限公司 | Waste slurry recycling process and device for mixing plant |
| CN113735239A (en) * | 2021-09-22 | 2021-12-03 | 中建西部建设建材科学研究院有限公司 | Waste slurry settling agent for concrete mixing plant and preparation method and use method thereof |
-
2022
- 2022-01-27 CN CN202210098300.2A patent/CN114393712A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1171371A (en) * | 1997-05-22 | 1998-01-28 | 上海市建筑科学研究院 | Process for comprehensive utilization of waste water and dregs of concrete mixing station |
| US20020108537A1 (en) * | 2001-02-13 | 2002-08-15 | Beckham David James | Concrete recovery system |
| CN105082361A (en) * | 2015-07-01 | 2015-11-25 | 山东柳工混凝土设备有限公司 | Waste residue utilization system of concrete mixing plant and operation technology |
| CN205201816U (en) * | 2015-12-07 | 2016-05-04 | 深圳市为海建材有限公司 | Novel useless thick liquid recycle system in stirring station |
| CN205905188U (en) * | 2016-08-04 | 2017-01-25 | 云南建工集团曲靖建材有限公司 | Concrete mixing plant's adjustable invariable concentration recycle system of useless pulp -water |
| CN209453886U (en) * | 2018-09-29 | 2019-10-01 | 云南建投曲靖建材有限公司 | A kind of recycling system of concrete mixing plant slug |
| CN109227957A (en) * | 2018-11-02 | 2019-01-18 | 淮北砼友乐环保设备有限公司 | A kind of realization ready-mixed concrete industry waste water and dregs Zero discharging system |
| CN113232157A (en) * | 2021-06-03 | 2021-08-10 | 中建西部建设建材科学研究院有限公司 | Waste slurry recycling process and device for mixing plant |
| CN113735239A (en) * | 2021-09-22 | 2021-12-03 | 中建西部建设建材科学研究院有限公司 | Waste slurry settling agent for concrete mixing plant and preparation method and use method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 董继红等: "GB/T 12959―2008《水泥水化热测定方法》中两种方法的联合应用", 《水泥》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101913751A (en) | Slurry dehydration combined system | |
| CN105000585A (en) | Ardealite neutralizing and purifying processing technology | |
| CN104355338A (en) | Chemical adding device for mobile sewage treatment equipment | |
| CN106186639A (en) | Lake, river is gushed polluted bed mud and is processed remaining soil regenerative system | |
| CN111072186A (en) | System and method for cleaning commercial concrete mixing plant transportation tank car and purifying station sewage | |
| CN111086111A (en) | Concrete mixing plant sewage recovery and cyclic utilization system | |
| CN114393712A (en) | Mixing plant waste slurry recovery processing system | |
| CN209478553U (en) | A kind of slime water deployment device and high concentration slurry water reclaiming system | |
| CN209113612U (en) | Sewage treatment system with zero discharge | |
| CN211640498U (en) | Concrete mixing plant sewage recovery and cyclic utilization system | |
| CN106430704A (en) | Movable integrated coating wastewater treating device and treating method thereof | |
| CN206188528U (en) | Portable integration application effluent treatment plant | |
| CN114804310A (en) | Mixing plant sewage instant treatment system and method based on activating agent | |
| CN110181689A (en) | A kind of operating procedure of concrete mixing plant waste recovery systems | |
| CN205201816U (en) | Novel useless thick liquid recycle system in stirring station | |
| CN211333986U (en) | Concrete slurry recovery system | |
| CN113402002A (en) | High-efficient flocculation and precipitation system | |
| CN209381123U (en) | A kind of mud water concentration self-checking device | |
| CN106219704A (en) | A kind of mixing plant wastewater recycling system | |
| CN219171298U (en) | High-concentration rubber pulping device for waste slurry of stirring station | |
| CN217498780U (en) | Mixing plant sewage instant treatment system based on activating agent | |
| CN105293821A (en) | Generic chemical industry sewage treatment basic process | |
| CN216377771U (en) | Intelligent acid-base neutralization automatic regulating system for sewage of concrete mixing plant | |
| CN214644709U (en) | Commercial concrete station conveyer belt grit recovery system | |
| CN218403731U (en) | Concrete sewage concentration intelligent control device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220426 |