CN216909316U

CN216909316U - Steam turbine fixed-discharge wastewater recycling device

Info

Publication number: CN216909316U
Application number: CN202220681138.2U
Authority: CN
Inventors: 史贤; 毕力格; 王佳伟
Original assignee: Inner Mongolia North Mengxi Power Generation Co ltd
Current assignee: Inner Mongolia North Mengxi Power Generation Co ltd
Priority date: 2022-03-28
Filing date: 2022-03-28
Publication date: 2022-07-08
Anticipated expiration: 2032-03-28

Abstract

The utility model discloses a steam turbine fixed-discharge wastewater recycling device which comprises a recycling device body, wherein the recycling device body comprises a base, a recycling water tank and a denitration urea dissolving tank, the recycling water tank and the denitration urea dissolving tank are fixed on the top of the base, a water pump is fixedly installed on the left side of the recycling water tank, a water outlet of the water pump is communicated with and fixed with a valve through a water pipe, a water outlet of the valve is communicated with and fixed on the top of the right side of the denitration urea dissolving tank through a water pipe, and a water inlet of the water pump extends into the recycling water tank. The utility model is convenient for filtering and collecting the particle impurities in the wastewater in advance before the wastewater enters the recovery water tank, is convenient for quickly moving up the filtered and collected particle impurity floaters for cleaning, is convenient for the subsequent cleaning work of personnel, is convenient for automatically plugging the water inlet pipe during the upward movement cleaning, realizes the effect of self-sealing and stopping water supply during the upward movement, can avoid the phenomenon that the wastewater is continuously discharged downwards and splashed during the upward movement cleaning, and meets the use requirement.

Description

Steam turbine fixed-discharge wastewater recycling device

Technical Field

The utility model relates to the technical field of waste water recycling equipment, in particular to a steam turbine fixed-discharge waste water recycling device.

Background

Thermal power plant need regularly carry out blowdown to the main steam of boiler and steam turbine system and handle in order guaranteeing that steam is qualified, and wherein get into the steam in the sewage pipes and also can cool off into the comdenstion water at last, and these comdenstion water and waste water salinity are higher usually, contain a certain amount of suspended solid and particle impurity moreover, and direct emission can cause water waste and polluted environment, consequently need use waste water recovery to recycle the device to its recovery processing.

The existing wastewater recycling device consists of a recycling water tank, a water pump and a denitration urea dissolving tank, wherein a sewage discharge pipeline discharges wastewater into the recycling water tank, and the water pump conveys the wastewater to the denitration urea dissolving tank for dissolving urea for denitration, so that the effect of recycling the wastewater is realized; but it still has some insufficiencies, it lacks the function of filtering the collection in advance to the granule impurity in the waste water before waste water gets into recovery water tank for impurity gets into in a large number easily and blocks up in the water pump, cause its damage, (though exist among the prior art and carry out filterable mode through filter cartridge cooperation filter screen, but its most inconvenient personnel follow-up quick impurity that will filter the collection shifts out the clearance, and can not be automatic to the inlet tube shutoff mostly when the clearance, continue outside discharge with waste water when preventing the clearance), can not satisfy the user demand, to this phenomenon, therefore we have proposed a steam turbine waste water recycling of surely discharging device, be used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a recycling device for waste water discharged by a steam turbine.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a steam turbine fixed-discharge wastewater recycling device comprises a recycling device body, wherein the recycling device body comprises a base, a recycling water tank and a denitration urea dissolving tank, the recycling water tank and the denitration urea dissolving tank are fixed to the top of the base, a water pump is fixedly mounted on the left side of the recycling water tank, a water outlet of the water pump is communicated with and fixed with a valve through a water pipe, a water outlet of the valve is communicated with and fixed to the top of the right side of the denitration urea dissolving tank through a water pipe, a water inlet of the water pump extends into the recycling water tank, and a cleaning self-sealing type filtering mechanism is fixedly mounted on the top of the recycling water tank;

the cleaning self-sealing type filtering mechanism comprises a vertical pipe which is communicated and fixed at the top of a recovery water tank, the top end of the vertical pipe is communicated and fixed with a round box with the top arranged as an opening, the top of the round box is sealed and movably sleeved with a transparent cover, the top of the transparent cover is embedded with a water inlet pipe with the bottom in a sealing structure, the top end of the water inlet pipe is communicated and fixed with a flexible hose, the inner wall of the top of the transparent cover is fixedly connected with two support rods, the bottom ends of the two support rods both extend into the round box and are fixedly connected with a same filter screen, an extrusion seat which is movably contacted with the bottom of the filter screen is fixedly connected between the inner wall of the front side and the inner wall of the rear side of the round box, the inner wall of the bottom end of the water inlet pipe is provided with a conical hole, a self-sealing component is arranged in the water inlet pipe, the bottom of the self-sealing component extends into the round box and is movably contacted with the top of the extrusion seat, the filter screen is fixedly sleeved on the self-sealing component, and a thread driving guide component is fixedly connected on the inner wall of the top of the transparent cover, the round box is sleeved on the thread driving guide assembly in a sliding mode, a driving motor is fixedly installed at the top of the recovery water tank, and the top end of an output shaft of the driving motor is fixedly connected with the bottom end of the thread driving guide assembly.

Preferably, from stifled subassembly including setting up the stifled ball in the inlet tube, stifled ball is located the top of bell mouth and cooperatees with the bell mouth, the bottom fixedly connected with connecting rod of stifled ball, the bottom of connecting rod runs through the bell mouth and extends to in the round box, sliding sleeve is equipped with the rectangular pipe that the top is block structure on the connecting rod, the fixed cover of filter screen is established on the rectangular pipe, sliding sleeve is equipped with the balancing weight with extrusion seat top swing joint in the rectangular pipe, the top of balancing weight and the bottom fixed connection of connecting rod.

Preferably, the screw thread drive guide assembly comprises two guide rods fixedly connected to the inner wall of the top of the transparent cover, the round box is slidably sleeved on the two guide rods, the bottom ends of the two guide rods are fixedly connected with the same annular plate, the bottom left side of the round box is rotatably provided with a screw rod, the annular plate is in threaded sleeve connection with the screw rod, the bottom end of the screw rod is fixedly connected with the top end of an output shaft of the driving motor, and the vertical pipe is located in the annular plate.

Preferably, a sealing ring is fixedly bonded on the inner wall of the top of the transparent cover, and the bottom of the sealing ring is in movable contact with the top of the round box.

Preferably, the top of the transparent cover is provided with an embedded hole fixedly connected with the outer side of the water inlet pipe.

Preferably, the inner diameter of the top of the taper hole is larger than that of the bottom of the taper hole, and the inner diameter of the bottom of the taper hole is smaller than that of the blocking ball.

Preferably, the top of the annular plate is provided with a threaded hole in threaded connection with the screw.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model is convenient for filtering and collecting the particle impurities in the wastewater in advance before the wastewater enters the recovery water tank, is convenient for quickly moving up the filtered and collected particle impurity floaters for cleaning, is convenient for the subsequent cleaning work of personnel, is convenient for automatically plugging the water inlet pipe during the upward movement cleaning, realizes the effect of self-sealing and stopping water supply during the upward movement, can avoid the phenomenon that the wastewater is continuously discharged downwards and splashed during the upward movement cleaning, and meets the use requirement.

Drawings

FIG. 1 is a schematic structural diagram of a steam turbine constant discharge waste water recycling device according to the present invention;

FIG. 2 is an enlarged cross-sectional view of part A of FIG. 1;

fig. 3 is an enlarged schematic view of part B in fig. 2.

In the figure: 100. a recovery water tank; 101. a water pump; 102. a denitration urea dissolving tank; 103. a valve; 1. a vertical tube; 2. a round box; 3. a transparent cover; 4. a water inlet pipe; 5. a flexible hose; 6. a filter screen; 7. a strut; 8. a guide rod; 9. an annular plate; 10. a screw; 11. a drive motor; 12. a tapered hole; 13. blocking the ball; 14. a connecting rod; 15. a rectangular tube; 16. a balancing weight; 17. and (4) extruding the seat.

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.

Referring to fig. 1-3, a steam turbine fixed-discharge wastewater recycling device comprises a recycling device body, wherein the recycling device body comprises a base, a recycling water tank 100 and a denitration urea dissolving tank 102 which are fixed on the top of the base, a water pump 101 is fixedly installed on the left side of the recycling water tank 100, a water outlet of the water pump 101 is communicated with and fixed with a valve 103 through a water pipe, a water outlet of the valve 103 is communicated with and fixed on the top of the right side of the denitration urea dissolving tank 102 through a water pipe, a water inlet of the water pump 101 extends into the recycling water tank 100, and a cleaning self-sealing type filtering mechanism is fixedly installed on the top of the recycling water tank 100;

the cleaning self-sealing type filtering mechanism comprises a vertical pipe 1 which is communicated and fixed at the top of a recovery water tank 100, wherein the inner wall of the top of the recovery water tank 100 is provided with a mounting hole fixedly connected with the outer side of the vertical pipe 1, the vertical pipe 1 is communicated and fixed with the recovery water tank 100 through the mounting hole, the top end of the vertical pipe 1 is communicated and fixed with a round box 2 with the top being provided with an opening, the top of the round box 2 is hermetically and movably sleeved with a transparent cover 3, the inner wall of the top of the transparent cover 3 is fixedly bonded with a sealing ring, the bottom of the sealing ring is movably contacted with the top of the round box 2, the top of the transparent cover 3 is embedded with a water inlet pipe 4 with a bottom end being of a plugging structure, the top of the transparent cover 3 is provided with an embedded hole fixedly connected with the outer side of the water inlet pipe 4, the top end of the water inlet pipe 4 is communicated and fixed with a telescopic hose 5, the inner wall of the top of the transparent cover 3 is fixedly connected with two supporting rods 7, the bottom ends of the two supporting rods 7 extend into the round box 2 and are fixedly connected with a filter screen 6, the outer side of the filter screen 6 is movably attached and contacted with the inner wall of the round box 2, an extrusion seat 17 which is movably contacted with the bottom of the filter screen 6 is fixedly connected between the inner wall of the front side and the inner wall of the rear side of the round box 2, a tapered hole 12 is formed in the inner wall of the bottom end of the water inlet pipe 4, a self-plugging component is arranged in the water inlet pipe 4, the bottom of the self-plugging component extends into the round box 2 and is movably contacted with the top of the extrusion seat 17, the filter screen 6 is fixedly sleeved on the self-plugging component, a thread driving guide component is fixedly connected to the inner wall of the top of the transparent cover 3, the round box 2 is sleeved on the thread driving guide component in a sliding manner, a driving motor 11 is fixedly installed at the top of the recovery water tank 100, and the top end of an output shaft of the driving motor 11 is fixedly connected with the bottom end of the thread driving guide component;

the self-plugging assembly comprises a plugging ball 13 arranged in a water inlet pipe 4, the plugging ball 13 is positioned above a conical hole 12 and matched with the conical hole 12, the inner diameter of the top of the conical hole 12 is larger than the inner diameter of the bottom, the inner diameter of the bottom of the conical hole 12 is smaller than the diameter of the plugging ball 13, the bottom of the plugging ball 13 is fixedly connected with a connecting rod 14, the bottom end of the connecting rod 14 penetrates through the conical hole 12 and extends into a round box 2, a rectangular pipe 15 with a plugging structure at the top end is slidably sleeved on the connecting rod 14, a sliding through hole in sliding connection with the outer side of the connecting rod 14 is formed in the top end of the rectangular pipe 15, the rectangular pipe 15 is slidably sleeved on the connecting rod 14 through a sliding side through hole, the sliding guide effect on the connecting rod 14 is achieved, a filter screen 6 is fixedly sleeved on the rectangular pipe 15, the top of the filter screen 6 is fixedly connected with the outer side of the rectangular pipe 15, the filter screen 6 is fixedly sleeved on the rectangular pipe 15 through the rectangular through hole, a counterweight block 16 which is movably contacted with the top of the extrusion seat 17 is slidably sleeved in the rectangular tube 15, and the top of the counterweight block 16 is fixedly connected with the bottom end of the connecting rod 14;

the thread driving guide assembly comprises two guide rods 8 fixedly connected to the inner wall of the top of the transparent cover 3, a round box 2 is slidably sleeved on the two guide rods 8, wherein both sides of the top of the round box 2 are provided with guide holes, the inner wall of each guide hole is slidably connected with the outer side of the corresponding guide rod 8, the round box 2 is slidably sleeved on the two guide rods 8 through the two guide holes to achieve the effect of slidably guiding the two guide rods 8, the bottom ends of the two guide rods 8 are fixedly connected with a same annular plate 9, the left side of the bottom of the round box 2 is rotatably provided with a screw rod 10, wherein the left side of the bottom of the round box 2 is fixedly connected with a bearing, the inner side of an inner ring of the bearing is fixedly connected with the outer side of the screw rod 10, the annular plate 9 is threadedly sleeved on the screw rod 10, the top of the annular plate 9 is provided with a threaded hole in threaded connection with the screw rod 10, and the threaded connection relation between the screw rod 10 and the threaded hole is utilized, the automatic water inlet pipe plugging device has the advantages that the effect of driving the annular plate 9 to move up and down when the screw 10 rotates is achieved, the bottom end of the screw 10 is fixedly connected with the top end of the output shaft of the driving motor 11, and the vertical pipe 1 is located in the annular plate 9.

The working principle is as follows: when the device is used, the top end of the flexible hose 5 is connected with a fixed-discharge drainage pipeline of a boiler steam turbine, wastewater enters the water inlet pipe 4 through the flexible hose 5, then enters the round box 2 through the tapered hole 12 downwards, then enters the recovery water tank 100 through the vertical pipe 1 after passing through the filter screen 6 downwards, and a subsequent person can utilize the water pump 101 to convey the wastewater in the recovery water tank 100 to the denitration urea dissolving tank 102 for dissolving urea for denitration, so that the wastewater can be recycled, wherein when the wastewater passes through the filter screen 6, the filter screen 6 can filter, shield and collect particle impurity floaters in the wastewater at the top of the filter screen;

when a person cleans the filtered and collected particle impurity floaters, the driving motor 11 is started in the forward direction to drive the screw rod 10 to rotate, under the action of a threaded hole formed in the annular plate 9, the screw rod 10 can drive the annular plate 9 to move upwards through the rotation, the annular plate 9 drives the transparent cover 3 to move upwards through the two guide rods 8, the transparent cover 3 drives the water inlet pipe 4 to compress the telescopic hose 5 upwards, meanwhile, the transparent cover 3 drives the filter screen 6 to move upwards through the two support rods 7, the filter screen 6 drives the filtered and collected particle impurity floaters to move upwards, at the moment, the person can clean the particle impurity floaters, so that the filtered and collected particle impurity floaters can be conveniently and quickly moved out for cleaning, wherein the rectangular pipe 15 can be driven to move upwards when the filter screen 6 moves upwards, under the action of the self gravity of the balancing weight 16, the person firstly falls on the connecting rod 14 and the blocking ball 13 to make the blocking ball immovable, the upward moving water inlet pipe 4 drives the conical hole 12 to move upward and clamp the sleeve to the blocking ball 13, the conical hole 12 can be extruded to drive the blocking ball 13 to move upward when moving upward continuously, the blocking ball 13 drives the balancing weight 16 to move upward through the connecting rod 14 and separate from the extrusion seat 17, and the blocking ball 13 blocks the conical hole 12, so that the self-sealing effect is realized when moving upward, and the wastewater can be prevented from being discharged downward through the conical hole 12 when moving upward and cleaning;

after the cleaning is finished, the driving motor 11 is started reversely, the movement direction of the driving motor 11 is completely opposite to that of the driving motor 11 started forward in the same way, at the moment, the transparent cover 3 is changed into downward movement, the filter screen 6 and the water inlet pipe 4 are driven to move back downward, the filter screen 6 drives the rectangular pipe 15 to move back downward, when the bottom of the balancing weight 16 moves down to be in contact with the top of the extrusion seat 17, the balancing weight can be shielded and limited by the transparent cover, the water inlet pipe 4 which is extruded to move down at the moment drives the conical hole 12 to be separated from the ball 13 downward, the self-sealing is removed until the transparent cover 3 is clamped on the round box 2, and at the moment, the filtering work can be carried out by continuously and automatically supplying water.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The recycling device for the steam turbine fixed-discharge wastewater comprises a recycling device body, wherein the recycling device body comprises a base, a recycling water tank (100) and a denitration urea dissolving tank (102), the recycling water tank (100) and the denitration urea dissolving tank are fixed to the top of the base, a water pump (101) is fixedly installed on the left side of the recycling water tank (100), a water outlet of the water pump (101) is communicated with and fixed to a valve (103) through a water pipe, and a water outlet of the valve (103) is communicated with and fixed to the top of the right side of the denitration urea dissolving tank (102) through a water pipe;

the cleaning self-sealing type filtering mechanism comprises a vertical pipe (1) which is communicated and fixed at the top of a recovery water tank (100), wherein the top end of the vertical pipe (1) is communicated and fixed with a round box (2) the top of which is arranged as an opening, a transparent cover (3) is movably sleeved at the top of the round box (2) in a sealing way, a water inlet pipe (4) with the bottom end being of a plugging structure is embedded at the top of the transparent cover (3), a telescopic hose (5) is communicated and fixed at the top end of the water inlet pipe (4), two supporting rods (7) are fixedly connected to the inner wall of the top of the transparent cover (3), the bottom ends of the two supporting rods (7) extend into the round box (2) and are fixedly connected with the same filter screen (6), an extrusion seat (17) which is movably contacted with the bottom of the filter screen (6) is fixedly connected between the inner wall of the front side and the inner wall of the rear side of the round box (2), and a conical hole (12) is formed in the inner wall of the bottom end of the water inlet pipe (4), be equipped with in inlet tube (4) from the shutoff subassembly, extend to in circle box (2) and with the top movable contact of extrusion seat (17) from the bottom of shutoff subassembly, filter screen (6) are fixed to be established on from the shutoff subassembly, fixedly connected with screw drive direction subassembly on the top inner wall of transparent cover (3), circle box (2) slip cap is established on screw drive direction subassembly, and the top fixed mounting of recovery water tank (100) has driving motor (11), the output shaft top of driving motor (11) and screw drive direction subassembly's bottom fixed connection.

2. The steam turbine fixed-row wastewater recycling device according to claim 1, wherein the self-plugging component comprises a plugging ball (13) arranged in the water inlet pipe (4), the plugging ball (13) is located above the conical hole (12) and matched with the conical hole (12), the bottom of the plugging ball (13) is fixedly connected with a connecting rod (14), the bottom end of the connecting rod (14) penetrates through the conical hole (12) and extends into the round box (2), a rectangular pipe (15) with the top end being a plugging structure is slidably sleeved on the connecting rod (14), a filter screen (6) is fixedly sleeved on the rectangular pipe (15), a balancing weight (16) movably contacted with the top of the extrusion seat (17) is slidably sleeved in the rectangular pipe (15), and the top of the balancing weight (16) is fixedly connected with the bottom end of the connecting rod (14).

3. The steam turbine fixed-row wastewater recycling device according to claim 1, wherein the screw driving guide assembly comprises two guide rods (8) fixedly connected to the inner wall of the top of the transparent cover (3), the round box (2) is slidably sleeved on the two guide rods (8), the bottom ends of the two guide rods (8) are fixedly connected with the same annular plate (9), the screw (10) is rotatably installed on the left side of the bottom of the round box (2), the annular plate (9) is threadedly sleeved on the screw (10), the bottom end of the screw (10) is fixedly connected with the top end of the output shaft of the driving motor (11), and the vertical pipe (1) is located in the annular plate (9).

4. The recycling device for waste water discharged by fixed displacement of steam turbine as claimed in claim 1, wherein the inner wall of the top of the transparent cover (3) is bonded and fixed with a sealing ring, and the bottom of the sealing ring is in movable contact with the top of the round box (2).

5. The waste water recycling device for turbine fixed-discharge according to claim 1, characterized in that the top of the transparent cover (3) is provided with an embedded hole fixedly connected with the outer side of the water inlet pipe (4).

6. The recycling device of waste water discharged from the fixed-displacement turbine according to claim 2, wherein the top inner diameter of the tapered hole (12) is larger than the bottom inner diameter, and the bottom inner diameter of the tapered hole (12) is smaller than the diameter of the blocking ball (13).

7. The waste water recycling device for fixed discharge of steam turbine as claimed in claim 3, wherein the top of the annular plate (9) is provided with a threaded hole in threaded connection with the screw (10).