CN213555831U

CN213555831U - Waste water treatment system for concrete production

Info

Publication number: CN213555831U
Application number: CN202021720441.6U
Authority: CN
Inventors: 樊五民
Original assignee: Shaanxi Ruixing Building Materials Technology Co ltd
Current assignee: Shaanxi Ruixing Building Materials Technology Co ltd
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2021-06-29
Anticipated expiration: 2030-08-17

Abstract

The application relates to the field of concrete production, in particular to a waste water treatment system for concrete production, which aims to solve the problem that sand and cement are difficult to separately recover during unified recovery and utilization, so that the recovery rate is not high; a filter screen is arranged in the sludge tank, and the position of the filter screen is higher than that of the first overflow port; and a sand and stone port is formed in the side wall of the sludge tank communicated with the sand and stone tank and is positioned above the filter screen. Waste water gets into sludge impoundment, grit pond and clean water basin in proper order in this application, carries out the multistage sediment, realizes the hierarchical recovery of waste water for the concrete manufacture to promote the recycle ratio of precipitate.

Description

Waste water treatment system for concrete production

Technical Field

The application relates to the field of concrete production, in particular to a waste water treatment system for concrete production.

Background

In the concrete production process, contain a large amount of grit and mud in the produced waste water in rinse-system, place, adopt the sedimentation tank to let water, grit, mud separate by oneself at present more, but it is big to retrieve the degree of difficulty, and manpower clearance is consuming time hard, retrieves the cycle length moreover.

Patent application number CN201920668076.X discloses a concrete mixing plant processing waste water recycle device, including the sand collecting pit, the sedimentation tank, the outlet pipe, the support frame, first button, the apron, the second button, the protecting crust, the fixed plate, motor and fixed block, the support frame up end is provided with the sedimentation tank, the sedimentation tank up end is fixed with the sand collecting pit, the outlet pipe is installed to sedimentation tank right-hand member face, first button is installed to sand collecting pit right-hand member face, the terminal surface is equipped with the apron under the sedimentation tank, the second button is installed to sand collecting pit left end face, sand collecting pit right-hand member face is equipped with the protecting crust, the fixed plate is installed to the terminal surface under the protecting crust, the fixed plate up end is equipped with the motor, the fixed block is installed in the motor left side. Can stir the sand that gathers through foretell device, solve original concrete mixing plant processing waste water recycle device sand and gathered more troublesome, the problem of extravagant a large amount of manpowers.

With respect to the related art in the above, the inventors consider that: because sand and cement particle diameter are different, consequently the operating mode is different, with the unified recycle of sand and cement for the operating mode when sand and cement reuse receives the restriction, thereby leads to recycle not high.

SUMMERY OF THE UTILITY MODEL

In order to retrieve the precipitate in the waste water for concrete production in grades, improve the recycle ratio of precipitate, this application provides a waste water treatment system for concrete production.

The application provides a pair of effluent disposal system for concrete production adopts following technical scheme:

a waste water treatment system for concrete production comprises a sludge pond, a sand pond and a clean water pond which are horizontally and sequentially arranged, wherein a first overflow port is arranged between the sludge pond and the sand pond, a second overflow port is arranged between the sand pond and the clean water pond, and the position of the first overflow port is higher than that of the second overflow port; a filter screen is arranged in the sludge tank, and the position of the filter screen is higher than that of the first overflow port; and a sand and stone port is formed in the side wall of the sludge tank communicated with the sand and stone tank and is positioned above the filter screen.

By adopting the technical scheme, the position of the first overflow port is higher than that of the second overflow port, so that not only can the multistage sedimentation of the wastewater be realized, but also the wastewater in the sand pond can be prevented from flowing back to the sludge pond, and the cleanliness of water is ensured; the filter screen intercepts gravels with larger particle sizes on the filter screen, which is beneficial to separately recycling the sediments in the concrete wastewater according to the particle sizes; the position of the filter screen is higher than that of the first overflow port, so that small-particle silt in the wastewater can be prevented from flowing into the gravel pool from the gravel port without being precipitated, and the application range of gravel is prevented from being influenced; the grit mouth makes the grit on the filter screen directly get into the grit pond, can also play the effect of reposition of redundant personnel when the waste water discharge is too big. Waste water gets into sludge impoundment, grit pond, clean water basin in proper order, through multistage sediment, has fully reduced the content of grit, earth in the waste water for clear water in the clean water basin can reuse, and realize the hierarchical recovery of the precipitate in the waste water for the concrete manufacture, promoted the recycle ratio of precipitate.

Preferably, the filter screen is installed in the sludge impoundment in an inclined manner, and one end of the filter screen, which is far away from the sand port, is higher than one end close to the sand port.

Through adopting above-mentioned technical scheme, the grit can be at the low one side of filter screen of the effect gliding of gravity to get into the grit pond through the grit mouth, can reduce the grit and pile up and block up the filter screen on the filter screen, cause the problem that needs artifical frequent clearance.

Preferably, a vibration mechanism is arranged at one end of the filter screen, which is high, and the vibration mechanism drives the filter screen to vibrate up and down.

Through adopting above-mentioned technical scheme, vibration mechanism drive filter screen vibrates from top to bottom, not only can accelerate the grit on the filter screen and fall into the grit pond, can also increase the motion of precipitate on the filter screen, accelerates the separation of the grit of particle diameter difference.

Preferably, the vibration mechanism comprises a motor, a driving rod, a rocker and a lever, the motor is fixed outside the side wall of the sludge tank, the driving rod, the rocker and the lever are all perpendicular to an output shaft of the motor, one end of the driving rod is rotatably connected to the output shaft of the motor, the other end of the driving rod is rotatably connected with the rocker, one end, far away from the driving rod, of the rocker is rotatably connected with the lever, the middle of the lever is rotatably connected to the side wall of the sludge tank, and the filter screen is located in a swinging range of one end, far away from the rocker, of the lever.

By adopting the technical scheme, the motor is started, the motor drives the driving rod to do circular motion, meanwhile, the driving rod drives the rocker to swing, and the rocker drives the lever to swing, so that one end of the lever, which is far away from the rocker, is continuously beaten on the filter screen, and the filter screen is vibrated up and down.

Preferably, a buffer block is arranged at the end part of one end, far away from the rocker, of the lever, and a rubber pad is sleeved on the buffer block.

Through adopting above-mentioned technical scheme, the lever is kept away from the one end and the filter screen contact of rocker to hit and beat and make the filter screen vibrate from top to bottom on the filter screen, buffer block and rubber pad play the effect of prevention lever tip wearing and tearing, still protect the filter screen simultaneously, make it can not play in succession at the lever and beat and take place to destroy, prolong the life of filter screen and lever.

Preferably, the lower end of the filter screen is connected with the inner wall of the sludge tank through a hinge.

Through adopting above-mentioned technical scheme, filter screen one end and sludge impoundment inner wall articulate together, connect the filter screen on the inner wall, still when the filter screen takes place to vibrate with sludge impoundment zonulae occludens.

Preferably, the inner wall of the sludge tank is provided with a boss, the boss is positioned below one end of the filter screen, the boss is provided with an elastic part, one end of the elastic part is connected with the boss, and the other end of the elastic part is connected with the filter screen.

Through adopting above-mentioned technical scheme, the filter screen receives to hit and begins the vibration after beating, and the vibration frequency of filter screen can be strengthened in the setting of elastic component, and the motion of grit on the filter screen is accelerated for the separation effect of different particle diameter grit becomes better.

Preferably, a sludge hopper is arranged at the bottom of the sludge tank, and a lifting ring is arranged on the edge above the sludge hopper; be provided with the grit fill in the grit pond, all seted up a plurality of grit holes on the perisporium of grit fill, be provided with rings on the grit fill top edge.

By adopting the technical scheme, the sludge hopper and the sand hopper are arranged to respectively realize the centralized collection of sludge and sand; the lifting rings on the edges can be conveniently lifted by personnel, so that time and labor are saved; the sand stone holes formed in the sand stone hopper can facilitate water flow, and can also allow entrained fine particles to leak out of the sand stone holes, so that the recovery quality of sand stones is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the graded recovery of the concrete wastewater is realized by arranging the sludge tank, the sand-stone tank and the clean water tank, and the recovery utilization rate of the precipitate is improved;

2. by arranging the inclined filter screen, the sand and stone accumulation on the filter screen is reduced, the filter screen is blocked, and the manual cleaning frequency is reduced;

3. by arranging the vibrating mechanism, the sand on the filter screen can be accelerated to fall into the sand pool; the movement of the sediment on the filter screen is accelerated, thereby accelerating the separation of large-particle-size sand and small-particle-size sand.

Drawings

FIG. 1 is a schematic structural view of a vertical section of a wastewater treatment system for concrete production according to an embodiment of the present invention;

FIG. 2 is a schematic view of the structure at A of a wastewater treatment system for concrete production according to an embodiment of the present invention;

FIG. 3 is a schematic view of the structure at B of a wastewater treatment system for concrete production according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a vibration mechanism of a wastewater treatment system for concrete production according to an embodiment of the present application.

Description of reference numerals: 1. A sludge tank; 2. a sand-stone pool; 3. a clean water tank; 4. a first overflow port; 5. a second overflow port; 6. a filter screen; 7. a gravel port; 8. a vibration mechanism; 81. a motor; 82. a drive rod; 83. a rocker; 84. a lever; 9. a buffer block; 10. a rubber pad; 11. a boss; 12. an elastic member; 13. a hinge; 14. a sludge hopper; 15. a hoisting ring; 16. a gravel hopper; 17. and (5) sand stone holes.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses effluent disposal system for concrete production. Referring to fig. 1, the wastewater treatment system for concrete production comprises a sludge pond 1, a sand pond 2 and a clean water pond 3 which are horizontally arranged in sequence, wastewater enters the sludge pond 1, the sand pond 2 and the clean water pond 3 in sequence, and multistage sedimentation of the wastewater can be realized; a first overflow port 4 is arranged between the sludge pond 1 and the sand pond 2, a second overflow port 5 is arranged between the sand pond 2 and the clean water pond 3, and the position of the first overflow port 4 is higher than that of the second overflow port 5, so that the wastewater in the sand pond 2 can be prevented from flowing back into the sludge pond 1; a filter screen 6 is obliquely arranged in the sludge tank 1, one end of the filter screen 6, which is close to the sandstone tank 2, is higher than one end of the filter screen, which is far away from the sandstone tank 2, the position of the filter screen 6 is higher than that of the first overflow port 4, and the sand and stone are intercepted on the filter screen 6 by the filter screen 6, so that the content of the sand and stone in the sludge tank 1 is reduced; the side wall of the sludge tank 1 communicated with the gravel tank 2 is provided with a gravel port 7, the gravel port 7 is positioned above the filter screen 6, and the lower edge of the gravel port 7 is tightly attached to the edge of the lower end of the filter screen 6, so that large-particle-size gravel intercepted on the filter screen 6 can enter the gravel tank 2 from the gravel port 7.

Referring to fig. 1, a sludge hopper 14 is arranged at the bottom of a sludge pool 1, two lifting rings 15 are welded on the upper edge of the sludge hopper 14, and the lifting rings 15 are convenient for personnel to clean and convey sludge; be provided with grit fill 16 in the grit pond 2, all seted up a plurality of grit holes 17 on the perisporium of grit fill 16, the welding has rings 15 on the grit fill 16 top edge, and the separation of grit and water can be realized to grit hole 17, and rings 15 can make things convenient for personnel to transport the grit, have reduced manpower consumption.

Referring to fig. 2 and 3, a vibration mechanism 8 is arranged above one end of the filter screen 6, and the vibration mechanism 8 drives the filter screen 6 to vibrate up and down, so that not only can sand on the filter screen 6 be accelerated to fall into the sand pool 2, but also the movement of sediment on the filter screen 6 can be increased, and the separation of sand with different particle sizes can be accelerated; the lower end of the filter screen 6 is connected with the inner wall of the sludge tank 1 by a hinge, in the embodiment, the filter screen 6 is connected with the inner wall of the sludge tank 1 by a hinge 13, and the hinge connection ensures that the filter screen 6 is still tightly connected with the sedimentation tank when vibrating; be provided with boss 11 on the 1 inner wall in sludge impoundment, boss 11 is located the high one end below of filter screen 6, fixed connection elastic component 12 on the boss 11, and elastic component 12 in this embodiment is the spring, and the one end and the boss 11 of elastic component 12 are connected, and the other end links to each other with filter screen 6, and the vibration frequency of filter screen 6 can be strengthened in the setting of elastic component 12, makes the vibration effect of filter screen 6 better.

Referring to fig. 3 and 4, the vibration mechanism 8 comprises a motor 81, a driving rod 82, a rocker 83 and a lever 84, the motor 81 is fixed outside the side wall of the sludge tank 1, the driving rod 82, the rocker 83 and the lever 84 are all perpendicular to the output shaft of the motor 81, the length of the driving rod 82 is shorter than that of the rocker 83, one end of the driving rod 82 is rotatably connected to the output shaft of the motor 81, the other end of the driving rod 82 is rotatably connected to the rocker 83, one end of the rocker 83, which is far away from the driving rod 82, is rotatably connected to one end of the lever 84, the middle part of the lever 84 is rotatably connected to the side wall of the sludge tank 1, and; starting the motor 81, driving the driving rod 82 to do circular motion by the motor 81, driving the rocker 83 to swing by the driving rod 82, driving the lever 84 to swing by the rocker 83, when the included angle between the driving rod 82 and the rocker 83 is 0 degree, one end of the lever 84 far away from the rocker 83 is far away from the surface of the filter screen 6, and when the included angle between the driving rod 82 and the rocker 83 is 180 degrees, one end of the lever 84 far away from the rocker 83 hits on the filter screen 6, so that the filter screen 6 vibrates; the end part of one end, far away from the rocker 83, of the lever 84 is integrally connected with a buffer block 9, a rubber pad 10 is sleeved on the buffer block 9, the buffer block 9 and the rubber pad 10 play a role in preventing abrasion of the end part of the lever 84, the filter screen 6 is further protected from being damaged under continuous beating of the lever 84, and the service lives of the filter screen 6 and the lever 84 are prolonged.

The implementation principle of the wastewater treatment system for concrete production in the embodiment of the application is as follows: the motor 81 is started, the buffer block 9 strikes the filter screen 6, and the filter screen 6 starts to vibrate up and down; wastewater enters a sludge pool 1, sand with larger particle size falls on a filter screen 6 after being filtered by the filter screen 6, finally falls into a sand hopper 16 of the sand pool 2 from a sand port 7, fine sand slowly deposits at the bottom of the sludge pool 1 and is accumulated in a sludge hopper 14, supernatant enters the sand pool 2 from a first overflow port 4 along with the gradual rise of the water surface in the sludge pool 1, secondary sedimentation is carried out, micro particles floating in the water are reduced, when the water level in the sand pool 2 reaches the position of a second overflow port 5, supernatant enters a clean water pool 3 from the second overflow port 5 for secondary sedimentation, and the water in the clean water pool 3 can be pumped out by a water pump for use; when the sand hopper 16 and the sludge hopper 14 are full, the sand hopper 16 and the sludge hopper 14 can be lifted out through the lifting ring 15 so as to recycle sand and sludge. Waste water is through multistage back that deposits, can separately retrieve and clear up grit and cement in the grit pond 2, and labour saving and time saving has realized the hierarchical recovery of concrete waste water to promote the recycle ratio of precipitate.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The waste water treatment system for concrete production is characterized by comprising a sludge pond (1), a sand pond (2) and a clean water pond (3) which are horizontally and sequentially arranged, wherein a first overflow port (4) is formed between the sludge pond (1) and the sand pond (2), a second overflow port (5) is formed between the sand pond (2) and the clean water pond (3), and the position of the first overflow port (4) is higher than that of the second overflow port (5); a filter screen (6) is arranged in the sludge tank (1), and the position of the filter screen (6) is higher than that of the first overflow port (4); the sludge pond (1) with be provided with grit mouth (7) on the lateral wall of grit pond (2) intercommunication, grit mouth (7) are located filter screen (6) top.

2. The concrete production wastewater treatment system according to claim 1, wherein the filter screen (6) is installed in the sludge tank (1) in an inclined manner, and one end of the filter screen (6) far away from the sand port (7) is higher than one end of the filter screen close to the sand port (7).

3. The wastewater treatment system for concrete production according to claim 2, wherein a vibration mechanism (8) is provided at the high end of the filter screen (6), and the vibration mechanism (8) drives the filter screen (6) to vibrate up and down.

4. The wastewater treatment system for concrete production according to claim 3, the vibration mechanism (8) comprises a motor (81), a driving rod (82), a rocker (83) and a lever (84), the motor (81) is fixed outside the side wall of the sludge tank (1), the driving rod (82), the rocker (83) and the lever (84) are all vertical to the output shaft of the motor (81), one end of the driving rod (82) is rotationally connected to an output shaft of the motor (81), the other end of the driving rod is rotationally connected with the rocker (83), one end of the rocker (83) far away from the driving rod (82) is rotationally connected with the lever (84), the middle part of the lever (84) is rotationally connected to the side wall of the sludge tank (1), the filter screen (6) is positioned in the swing range of one end of the lever (84) far away from the rocker (83).

5. The concrete production wastewater treatment system according to claim 4, wherein a buffer block (9) is arranged at the end of the lever (84) far away from one end of the rocker (83), and a rubber pad (10) is sleeved on the buffer block (9).

6. The concrete production wastewater treatment system according to claim 3, wherein the lower end of the filter screen (6) is hinged to the inner wall of the sludge tank (1).

7. The concrete production wastewater treatment system according to claim 6, wherein a boss (11) is arranged on the inner wall of the sludge tank (1), the boss (11) is positioned below the higher end of the filter screen (6), an elastic member (12) is arranged on the boss (11), one end of the elastic member (12) is connected with the boss (11), and the other end is connected with the filter screen (6).

8. The wastewater treatment system for concrete production according to claim 1, wherein a sludge hopper (14) is arranged at the bottom of the sludge tank (1), and a lifting ring (15) is arranged on the upper edge of the sludge hopper (14); a sand and stone hopper (16) is arranged in the sand and stone pool (2), a plurality of sand and stone holes (17) are formed in the peripheral wall of the sand and stone hopper (16), and a hanging ring (15) is arranged on the edge above the sand and stone hopper (16).