CN213924256U

CN213924256U - Circulating water waste fitting discharging of thermal power plant

Info

Publication number: CN213924256U
Application number: CN202022468056.3U
Authority: CN
Inventors: 张向伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-08-10
Anticipated expiration: 2030-10-30

Abstract

The utility model discloses a circulating water pollution discharge device of a thermal power plant, which belongs to the technical field of sewage discharge and solves the problem that the existing circulating water pollution discharge device is easy to be blocked by sludge, the device comprises a filtering box body, a secondary purifying box body, a sludge collecting box body and a filtering screen, the bottom of the filtering box body is connected with the inside of the secondary purifying box body through a filtering water channel, the sludge collecting box body is connected with one side of the filtering box body through a pollution discharge pipeline, the filtering screen is fixedly connected on the inner walls of the two sides of the filtering box body, a screw rod is arranged above the filtering screen, the two ends of the screw rod are respectively and fixedly connected with the side walls of the filtering box body and the pollution discharge pipeline, one end of the screw rod is connected with a first gear through a second gear, the first gear is connected with a servo motor through a second gear, a water pump is connected with the inside of the secondary purifying box body through a water inlet pipe and is connected with the inside of the filtering box body through a water discharge pipe, a plurality of water spray valves are welded on the water discharge pipe, the utility model discloses possess the difficult characteristics that block up of mud.

Description

Circulating water waste fitting discharging of thermal power plant

Technical Field

The utility model belongs to the technical field of sewage discharge, specifically relate to a circulating water waste fitting discharging of thermal power plant.

Background

Due to the requirement of saving water resources, most power plants adopt the regenerated water as circulating cooling make-up water, so that the concentration of nitrogen, phosphorus and other inorganic ions in the sewage discharged by the circulating system is further increased, and the emission requirement of the power plants is met. Therefore, the technical problem to be solved urgently is to purify the circulating sewage and finally realize zero emission.

The sewage of the circulating water is treated by the processes of dosing, coagulation and clarification, wherein the process comprises the steps of adding lime, partially removing Ca2+ and Mg2+ ions of the wastewater, adding a flocculating agent and a coagulant aid to remove suspended matters, and performing solid-liquid separation to realize the backflow of fresh water and the sludge discharge.

But current circulating water waste fitting discharging, because a large amount of mud impurity that precipitate in the sewage, lead to filter and filter screen easily to amass miscellaneous, and mud and impurity block up filter and filter the mesh easily, the filter is difficult to be washd in addition, has shortened the life of equipment, has reduced the blowdown efficiency.

Therefore, in order to solve the problem, a circulating water pollution discharge device of a thermal power plant needs to be developed and designed, and the problem that sludge is easy to block in the existing circulating water pollution discharge device is solved.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model provides a purpose of embodiment provides a circulating water waste fitting discharging of thermal power plant to solve the problem in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a circulating water pollution discharge device of a thermal power plant comprises a filtering box body, a secondary purifying box body, a sludge collecting box body and a filtering net, wherein the bottom of the filtering box body is fixedly connected to the upper surface of the secondary purifying box body through a support, and is connected with the inside of the secondary purification box body through a filtering water channel, a water inlet is welded at the top of the filtering box body, the sludge collection box body is connected with one side of the filter box body through a sewage discharge pipeline, the filter screen is fixedly connected on the inner walls of the two sides of the filter box body, a screw rod is arranged above the filter screen, two ends of the screw rod are respectively and fixedly connected with the side walls of the filter box body and the sewage discharge pipeline, one end of the screw rod is connected with a first gear through a key, the first gear is connected with a servo motor through a second gear, servo motor fixed connection is at the rose box lateral wall, the equal fixed connection of secondary purification box and mud collection box is on the fixed station upper surface.

As a further scheme of the utility model, the fixed station passes through base fixedly connected with water pump, the water pump is through advancing inside the water piping connection secondary purification box, the water pump passes through inside the water piping connection filtration box, the drain pipe end is inlayed and is being filtered the box inner wall, the welding has a plurality of water spray valve on the drain pipe to evenly distributed is in the filter screen below.

As a further scheme of the utility model, servo motor and water pump are respectively through wire connection motor switch and water pump switch, motor switch and water pump switch fixed connection are at the rose box lateral wall.

As a further proposal of the utility model, a glass panel is also embedded on the side wall of the filter box body.

As a further aspect of the present invention, the bottom of the fixing platform is fixedly connected to the ground through a bracket.

To sum up, compared with the prior art, the embodiment of the utility model has the following beneficial effects:

1. the filter screen top is provided with the screw rod, the screw rod is rotatory to bring the deposit into sewage pipes in the mud of filter screen top, prevent to block up the filter screen because of the too much easy of sludge deposition, influence the efficiency of sewage purification work, the mode of taking artifical trash cleaning not only can reduce work efficiency and still can increase manufacturing cost, the design of screw rod possesses work efficiency height and the effectual characteristics of trash cleaning, it is transparent to get the glass panels on the rose box body side wall, the operating personnel of being convenient for observes the deposit volume and the effect of trash cleaning of mud on the filter screen in the rose box body.

2. The inlet tube that the water pump is connected carries the water spray valve with the water suction in the secondary purification box and through the drain pipe, and the water spray valve sprays water to the filter screen for wash the mud of filter screen below, prevent that mud from blockking up the mesh, further improved the work efficiency of clearance mud, inside water of water spray valve spun comes from secondary purification box 16 simultaneously, can realize the reutilization of waste water, practiced thrift the water resource.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

Fig. 1 is a schematic structural view of embodiments 1 to 2 in the present invention.

Fig. 2 is a front view of the utility model.

Fig. 3 is an isometric view of the screw of embodiment 1 of the present invention.

Reference numerals: 1-water inlet, 2-filtering box body, 3-screw rod, 4-gear I, 5-gear II, 6-servo motor, 7-water discharge pipe, 8-water pump, 9-base, 10-water inlet pipe, 11-water spray valve, 12-filtering water channel, 13-support, 14-fixed table, 15-sludge collecting box body, 16-secondary purifying box body, 17-support, 18-sewage discharge pipeline, 19-filter screen, 20-motor switch, 21-water pump switch and 22-glass panel.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The following detailed description is provided for the specific embodiments of the present invention.

Example 1

Referring to fig. 1 to 3, a circulating water blowdown apparatus for a thermal power plant comprises a filter tank body 2, a secondary purification tank body 16, a sludge collection tank body 15 and a filter screen 19, wherein the bottom of the filter tank body 2 is fixedly connected to the upper surface of the secondary purification tank body 16 through a support 17, the interior of the filter tank body 2 can filter and purify sewage, and is connected to the interior of the secondary purification tank body 16 through a filter water channel 12, the filtered water enters the interior of the secondary purification tank body 16 through the filter water channel 12 for further purification, a water inlet 1 is welded to the top of the filter tank body 2 and is used for connecting a circulating water blowdown pipeline of the thermal power plant, the sludge collection tank body 15 is connected to one side of the filter tank body 2 through a blowdown pipeline 18, the blowdown pipeline 18 can discharge sludge in the filter tank body 2 into the collection tank body 15, and then further treat the sludge in a sludge concentration mode and the like, filter screen 19 fixed connection is on filtering 2 both sides inner walls of box, and filter screen 19 can filter the impurity such as mud and piece in the circulating water of thermal power plant, is convenient for carry out purification work on next step.

The screw rod 3 is arranged above the filter screen 19, the screw rod 3 can rotate to bring sludge deposited above the filter screen 19 into the sewage discharge pipeline 18, the filter screen 19 is prevented from being easily blocked due to excessive sludge deposition, the efficiency of sewage purification work is prevented from being influenced, the working efficiency is reduced and the production cost is increased by adopting a manual sewage disposal mode, the design of the screw rod 3 has the characteristics of high working efficiency and good sewage disposal effect, two ends of the screw rod 3 are respectively and fixedly connected to the side walls of the filter box body 2 and the sewage discharge pipeline 18, the firmness and the stability of the screw rod 3 are improved, one end of the screw rod 3 is connected with the first gear 4 through a key, the first gear 4 is connected with the servo motor 6 through the second gear 5, the servo motor 6 is started, the motor shaft drives the second gear 5 to rotate, the first gear 4 and the screw rod 3 are driven to rotate by utilizing a gear meshing principle, and the characteristic of high transmission stability is achieved, servo motor 6 fixed connection has improved servo motor 6's fastness at 2 lateral walls of filter box, the equal fixed connection of secondary purification box 16 and mud collection box 15 possesses the good characteristics of stability on the 14 upper surfaces of fixed station.

The servo motor 6 is connected with the motor switch 20 through a conducting wire, the motor switch 20 is fixedly connected to the side wall of the filtering box body 2, and the motor switch 20 is used for controlling the opening and closing of the servo motor 6.

The bottom of the fixed table 14 is fixedly connected to the ground through the bracket 13, so that the stability of the device is improved.

Example 2

Referring to fig. 1 and 3, the circulating water blowdown apparatus for a thermal power plant further comprises a fixed table 14, the fixed table 14 is fixedly connected with a water pump 8 through a base 9, the water pump 8 is connected with the inside of a secondary purification tank 16 through a water inlet pipe 10, the water pump 8 is connected with the inside of a filtration tank 2 through a water outlet pipe 7, the tail end of the water outlet pipe 7 is embedded in the inner wall of the filtration tank 2, a plurality of water spray valves 11 are welded on the water outlet pipe 7 and are uniformly distributed below a filter screen 19, the water pump 8 is started, the water in the secondary purification tank 16 is sucked out through the water inlet pipe 10 and is conveyed to the water spray valves 11 through the water outlet pipe 7, the water spray valves 11 spray water to the filter screen 19 for cleaning the sludge below the filter screen 19, so as to prevent the sludge from blocking the mesh holes, further improve the working efficiency of cleaning the sludge, and the water sprayed from the water spray valves 11 comes from the inside of the secondary purification tank 16, can realize the secondary utilization of the waste water and save water resources.

The water pump 8 is respectively connected with a water pump switch 21 through a lead, the water pump switch 21 is fixedly connected with the side wall of the filter box body 2, and the water pump switch 21 is used for controlling the opening and closing of the water pump 8.

Still inlay on the filter box 2 lateral wall has glass panels 22, because glass panels 22 are transparent, operating personnel can see through glass panels 22 and see the deposit volume and the effect of decontaminating of mud on the filter screen 19 in the filter box 2.

The rest of the structure of this example is the same as example 1.

The utility model discloses a theory of operation is: firstly, an operator observes the deposition amount of sludge on a filter screen 19 in a filter box body 2 through a glass panel 22, when the deposition amount is found to be large, a motor switch 20 is turned on to start a servo motor 6, the sludge is discharged into a collection box body 15 through a sewage discharge pipeline 18 by means of gear meshing transmission, then the sludge is further treated in a sludge concentration mode and the like, a water pump switch 21 is turned on to start a water pump 8, a water inlet pipe 10 sucks water in a secondary purification box body 16 and conveys the water to a water spray valve 11 through a water discharge pipe 7, the water spray valve 11 sprays the water to the filter screen 19 for cleaning the sludge below the filter screen 19, so that meshes are prevented from being blocked by the sludge, the working efficiency of cleaning the sludge is further improved, meanwhile, the water sprayed by the water spray valve 11 comes from the interior of the secondary purification box body 16, the secondary utilization of waste water can be realized, and the water resource is saved.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a thermal power plant circulating water waste fitting discharging, includes filter box (2), secondary purification box (16), mud collection box (15) and filter screen (19), its characterized in that, filter box (2) bottom is through support (17) fixed connection at secondary purification box (16) upper surface to inside secondary purification box (16) is connected through drainage passageway (12), the welding of filter box (2) top has water inlet (1), mud collection box (15) are connected filter box (2) one side through sewage pipes (18), filter screen (19) fixed connection is on filter box (2) both sides inner wall, filter screen (19) top is provided with screw rod (3), screw rod (3) both ends are fixed connection respectively and are filtered box (2) and sewage pipes (18) lateral wall to screw rod (3) one end has gear (4) through the key connection, the first gear (4) is connected with the servo motor (6) through the second gear (5), the servo motor (6) is fixedly connected to the side wall of the filtering box body (2), and the secondary purifying box body (16) and the sludge collecting box body (15) are fixedly connected to the upper surface of the fixing table (14).

2. The circulating water pollution discharge device for the thermal power plant as claimed in claim 1, wherein the fixed platform (14) is fixedly connected with a water pump (8) through a base (9), the water pump (8) is connected with the inside of the secondary purification box body (16) through a water inlet pipe (10), the water pump (8) is connected with the inside of the filtration box body (2) through a water discharge pipe (7), the tail end of the water discharge pipe (7) is embedded in the inner wall of the filtration box body (2), and a plurality of water spray valves (11) are welded on the water discharge pipe (7) and are uniformly distributed below the filter screen (19).

3. The circulating water pollution discharge device for the thermal power plant as claimed in claim 2, wherein the servo motor (6) and the water pump (8) are respectively connected with a motor switch (20) and a water pump switch (21) through conducting wires, and the motor switch (20) and the water pump switch (21) are fixedly connected to the side wall of the filtering box body (2).

4. The circulating water pollution discharge device for the thermal power plant as claimed in claim 3, wherein a glass panel (22) is further embedded on the side wall of the filtering box body (2).

5. The circulating water pollution discharge device for the thermal power plant as claimed in claim 2, wherein the bottom of the fixed platform (14) is fixedly connected to the ground through a bracket (13).