CN214201066U

CN214201066U - Novel desulfurization system slurry density measuring device

Info

Publication number: CN214201066U
Application number: CN202120074881.7U
Authority: CN
Inventors: 张新城; 高群翔; 信诚
Original assignee: Baiyanghe Power Plant Of Huaneng Shandong Power Generation Co Ltd
Current assignee: Baiyanghe Power Plant Of Huaneng Shandong Power Generation Co Ltd
Priority date: 2021-01-12
Filing date: 2021-01-12
Publication date: 2021-09-14
Anticipated expiration: 2031-01-12

Abstract

The utility model discloses a novel desulfurization system thick liquid density measurement device, the on-line screen storage device comprises a base, a plurality of bracing pieces of base top center fixedly connected with, it is a plurality of a bracing piece top fixedly connected with measures a section of thick bamboo, measure bobbin base portion fixedly connected with discharge pipe, measure first pressure transmitter of bobbin side center fixedly connected with and second pressure transmitter, measure a section of thick bamboo and keep away from first pressure transmitter one side top fixedly connected with overflow pipe, it is close to first pressure transmitter one side bottom fixedly connected with liquid feeding pipe to measure a section of thick bamboo. The utility model obtains the pressure difference delta P by the first pressure transmitter and the second pressure transmitter, thereby conveniently obtaining the density rho of the measured slurry; the stirring rod is driven to rotate by rotating the output shaft of the rotating motor, so that the slurry is prevented from precipitating; can be to the equidirectional water spray in the measuring cylinder through a plurality of spray lines, clearance measuring cylinder that can be thorough makes things convenient for the next time to use the measuring cylinder, is worth wideling popularize.

Description

Novel desulfurization system slurry density measuring device

Technical Field

The utility model relates to a desulfurization technical field especially relates to a novel desulfurization system thick liquid density measurement device.

Background

In a magnesium method, a sodium method, a calcium method and other desulfurization systems, the measurement of the slurry density directly affects the control of desulfurization efficiency and desulfurizer consumption, so that the method is a more critical measurement link; if the density value of the slurry is too low, dehydration is difficult, and if the density is too high, system abrasion is increased and system equipment is damaged; inaccurate density value measurement can cause the false liquid level of absorption tower, and operating personnel misoperation causes the absorption tower overflow, endangers desulfurization system's safety.

The existing density measuring device is influenced by the height of the liquid level of the slurry, and the slurry has a precipitation phenomenon, so that the accuracy of a measured numerical value is influenced; after the existing device finishes measurement, slurry is discharged thoroughly, and the device is not easy to clean, so that the next measurement is influenced; therefore, it is necessary to develop a new slurry density measuring device for desulfurization system.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a novel desulfurization system slurry density measuring device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a novel desulfurization system slurry density measuring device comprises a base, wherein a plurality of supporting rods are fixedly connected to the center of the top of the base, a measuring cylinder is fixedly connected to the tops of the supporting rods, a discharge pipe is fixedly connected to the bottom of the measuring cylinder, a first pressure transmitter and a second pressure transmitter are fixedly connected to the center of the side surface of the measuring cylinder, an overflow pipe is fixedly connected to the top of one side, away from the first pressure transmitter, of the measuring cylinder, a liquid conveying pipe is fixedly connected to the bottom of one side, close to the first pressure transmitter, of the measuring cylinder, a first pressure pump is fixedly connected to one side of the top of the base, one end, away from the measuring cylinder, of the liquid conveying pipe is fixedly connected with an outlet of the first pressure pump, and a raw liquid pipe is fixedly connected to an inlet of the first pressure pump;

the utility model discloses a measuring section of thick bamboo top center fixedly connected with rotates the motor, rotate motor output shaft bottom fixedly connected with stirring rod, the equal fixedly connected with in measuring section of thick bamboo top internal surface both sides sprays the board, two spray a plurality of spray pipes of the equal fixedly connected with in board bottom, one side fixedly connected with water tank of first force pump is kept away from at the base top, water tank top fixedly connected with second force pump, second force pump input fixedly connected with drinking-water pipe, second force pump output fixedly connected with conveying pipe, second force pump one end bottom and two spray board top water filling port fixed connection are kept away from to conveying pipe, base top center fixedly connected with collecting box.

As a further description of the above technical solution:

the overflow pipe is arranged in an inclined manner.

As a further description of the above technical solution:

and valves are arranged at the water outlets of the discharge pipe, the overflow pipe and the liquid delivery pipe.

As a further description of the above technical solution:

the periphery of the stirring rod is fixedly connected with a plurality of blades.

As a further description of the above technical solution:

and the top of the measuring cylinder is respectively provided with a through hole corresponding to the output shaft of the rotating motor and the water injection port of the spraying plate.

As a further description of the above technical solution:

the round hole corresponding with the drinking-water pipe has been seted up to water tank top one side, just the one end that the second force pump was kept away from to the drinking-water pipe runs through the round hole and extends to the water tank bottom.

The utility model discloses following beneficial effect has: 1. the measuring device comprises a measuring cylinder, a stock solution pipe, a liquid sending pipe, an overflow pipe and a liquid level control valve, wherein the stock solution pipe is used for sucking slurry to be measured, and then the slurry to be measured is sent into the measuring cylinder through the liquid sending pipe, and the liquid level rises to the height of the overflow pipe to generate overflow, so that the slurry can be ensured to be filled in the measuring cylinder; the pressure difference is measured by the first pressure transmitter and the second pressure transmitter, so that the density of the measured slurry can be conveniently obtained.

2. The stirring rod is driven to rotate by rotating the output shaft of the rotating motor, so that the slurry can be stirred, and the slurry is prevented from precipitating; the plurality of spraying pipes can spray water to different directions in the measuring cylinder, the measuring cylinder can be thoroughly cleaned, and the measuring cylinder is more convenient to use next time.

Drawings

Fig. 1 is a front view of a novel desulfurization system slurry density measuring device provided by the present invention;

fig. 2 is a cross-sectional view of a novel desulfurization system slurry density measuring device provided by the utility model;

fig. 3 is an enlarged view of a portion a in fig. 2.

Illustration of the drawings:

1. a base; 2. a support bar; 3. a measuring cylinder; 4. a discharge pipe; 5. a first pressure transmitter; 6. a second pressure transmitter; 7. an overflow pipe; 8. a liquid delivery pipe; 9. a first pressure pump; 10. a stock solution pipe; 11. rotating the motor; 12. a stirring rod; 13. a spray plate; 14. a spray tube; 15. a water tank; 16. a second pressure pump; 17. a water pumping pipe; 18. a water delivery pipe; 19. and a collection box.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a novel desulfurization system slurry density measuring device comprises a base 1, wherein a plurality of supporting rods 2 are fixedly connected to the center of the top of the base 1, cross rods are fixedly connected among the supporting rods 2, a measuring cylinder 3 is fixedly connected to the tops of the supporting rods 2, a discharging pipe 4 is fixedly connected to the bottom of the measuring cylinder 3, measured slurry can be discharged from the discharging pipe 4, a first pressure transmitter 5 and a second pressure transmitter 6 are fixedly connected to the center of the side surface of the measuring cylinder 3, and pressure difference delta P is obtained through measurement and calculation through the first pressure transmitter 5 and the second pressure transmitter 6 according to a formula delta P; h is the design measurement height, i.e. the height between the first pressure transmitter 5 and the second pressure transmitter 6; g is the acceleration of gravity, which is a constant; after the formula is deformed, rho is delta P/gh, so that the density rho of the measured slurry can be conveniently obtained, an overflow pipe 7 is fixedly connected to the top of one side, away from the first pressure transmitter 5, of the measuring cylinder 3, a valve of the overflow pipe 7 is opened, after the thick liquid got into measuring cylinder 3, the liquid level risees to the height of overflow pipe 7 and can produce the overflow, the purpose that produces the overflow is that measuring cylinder 3 can be full of in order to guarantee the thick liquid, measuring cylinder 3 is close to 5 one side bottom fixedly connected with liquid feed pipe 8 of first pressure transmitter, the first force pump 9 of 1 top one side fixedly connected with of base, liquid feed pipe 8 is kept away from measuring cylinder 3 one end and 9 delivery outlet fixed connection of first force pump, 9 input ports fixedly connected with raw liquid pipe 10 of first force pump, first force pump 9 absorbs the thick liquid that awaits measuring through raw liquid pipe 10, then send the thick liquid that awaits measuring into measuring cylinder 3 through liquid feed pipe 8.

The center of the top of the measuring cylinder 3 is fixedly connected with a rotating motor 11, the bottom of an output shaft of the rotating motor 11 is fixedly connected with a stirring rod 12, the output shaft of the rotating motor 11 rotates to drive the stirring rod 12 to rotate, so that slurry can be stirred to avoid precipitation of the slurry, both sides of the inner surface of the top of the measuring cylinder 3 are fixedly connected with spray plates 13, the bottoms of the two spray plates 13 are fixedly connected with a plurality of spray pipes 14, the plurality of spray pipes 14 can spray water in different directions in the measuring cylinder 3, so that the measuring cylinder 3 can be thoroughly cleaned, one side of the top of the base 1, which is far away from the first pressure pump 9, is fixedly connected with a water tank 15, the top of the water tank 15 is fixedly connected with a second pressure pump 16, an input port of the second pressure pump 16 is fixedly connected with a water pumping pipe 17, an output port of the second pressure pump 16 is fixedly connected with a delivery water pipe 18, the bottom of one end of the delivery pipe 18, which is far away from the second pressure pump 16, is fixedly connected with water injection ports at the tops of the two spray plates 13, the second pressure pump 16 extracts clean water in the water tank 15 through the water pumping pipe 17, then the clean water is injected into the spraying plate 13 through the conveying water pipe 18, the center of the top of the base 1 is fixedly connected with the collecting box 19, and the collecting box 19 can collect measured slurry and clean water after cleaning the measuring cylinder 3.

The overflow pipe 7 is obliquely arranged, so that the slurry can overflow conveniently; valves are arranged at the water outlets of the discharge pipe 4, the overflow pipe 7 and the liquid delivery pipe 8, so that the time and the speed of flowing out of the slurry can be better controlled; a plurality of blades are fixedly connected to the peripheral side of the stirring rod 12, and can better stir the slurry; the top of the measuring cylinder 3 is respectively provided with a through hole corresponding to the output shaft of the rotating motor 11 and a water filling port of the spraying plate 13; the round hole corresponding to the suction pipe 17 is opened on one side of the top of the water tank 15, and the one end of the suction pipe 17 far away from the second pressure pump 16 runs through the round hole and extends to the bottom of the water tank 15, and the second pressure pump 16 can more easily pump the clean water in the water tank 15.

The working principle is as follows: firstly, a first pressure pump 9 sucks slurry to be measured through a raw liquid pipe 10, then the slurry to be measured is sent into a measuring cylinder 3 through a liquid sending pipe 8, then a valve of an overflow pipe 7 is opened, after the slurry enters the measuring cylinder 3, the liquid level rises to the height of the overflow pipe 7 to generate overflow, so that the measuring cylinder 3 can be filled with the slurry, an output shaft of a rotating motor 11 rotates to drive a stirring rod 12 to rotate, the slurry can be stirred, the slurry is prevented from precipitating, then according to a formula of a delta P (rho g h), a pressure difference delta P is obtained through measurement by a first pressure transmitter 5 and a second pressure transmitter 6, and the density of the slurry to be measured can be conveniently obtained; the measured slurry can be discharged into the collection box 19 by opening the valve of the discharge pipe 4, then the clean water in the water tank 15 is pumped by the second pressure pump 16 through the water pumping pipe 17, the clean water is injected into the spray plate 13 through the delivery water pipe 18, the spray pipes 14 can spray water to different directions in the measuring cylinder 3, the measuring cylinder 3 can be thoroughly cleaned, and finally the clean water after cleaning the measuring cylinder 3 is discharged into the collection box 19 through the discharge pipe 4.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a novel desulfurization system thick liquid density measurement device, includes base (1), its characterized in that: the center of the top of the base (1) is fixedly connected with a plurality of supporting rods (2), the tops of the supporting rods (2) are fixedly connected with a measuring cylinder (3), the bottom of the measuring cylinder (3) is fixedly connected with a discharge pipe (4), the center of the side surface of the measuring cylinder (3) is fixedly connected with a first pressure transmitter (5) and a second pressure transmitter (6), an overflow pipe (7) is fixedly connected to the top of one side of the measuring cylinder (3) far away from the first pressure transmitter (5), the bottom of one side of the measuring cylinder (3) close to the first pressure transmitter (5) is fixedly connected with a liquid sending pipe (8), one side of the top of the base (1) is fixedly connected with a first pressure pump (9), one end of the liquid sending pipe (8) far away from the measuring cylinder (3) is fixedly connected with an output port of a first pressure pump (9), an input port of the first pressure pump (9) is fixedly connected with a raw liquid pipe (10);

the center of the top of the measuring cylinder (3) is fixedly connected with a rotating motor (11), the bottom of an output shaft of the rotating motor (11) is fixedly connected with a stirring rod (12), both sides of the inner surface of the top of the measuring cylinder (3) are fixedly connected with spraying plates (13), the bottoms of the two spraying plates (13) are fixedly connected with a plurality of spraying pipes (14), a water tank (15) is fixedly connected with one side of the top of the base (1) far away from the first pressure pump (9), the top of the water tank (15) is fixedly connected with a second pressure pump (16), an input port of the second pressure pump (16) is fixedly connected with a water pumping pipe (17), the output port of the second pressure pump (16) is fixedly connected with a conveying water pipe (18), the bottom of one end, far away from the second pressure pump (16), of the conveying water pipe (18) is fixedly connected with water injection ports at the tops of the two spraying plates (13), and a collecting box (19) is fixedly connected to the center of the top of the base (1).

2. The novel desulfurization system slurry density measuring device according to claim 1, characterized in that: the overflow pipe (7) is obliquely arranged.

3. The novel desulfurization system slurry density measuring device according to claim 1, characterized in that: and valves are arranged at the water outlets of the discharge pipe (4), the overflow pipe (7) and the liquid delivery pipe (8).

4. The novel desulfurization system slurry density measuring device according to claim 1, characterized in that: the periphery of the stirring rod (12) is fixedly connected with a plurality of blades.

5. The novel desulfurization system slurry density measuring device according to claim 1, characterized in that: the top of the measuring cylinder (3) is respectively provided with a through hole corresponding to the output shaft of the rotating motor (11) and the water injection port of the spraying plate (13).

6. The novel desulfurization system slurry density measuring device according to claim 1, characterized in that: the round hole corresponding to the water pumping pipe (17) is arranged on one side of the top of the water tank (15), and one end, far away from the second pressure pump (16), of the water pumping pipe (17) penetrates through the round hole to extend to the bottom of the water tank (15).