CN217015372U

CN217015372U - Flash tank water pressure balancing device

Info

Publication number: CN217015372U
Application number: CN202220667979.8U
Authority: CN
Inventors: 张文龙; 赵贺领; 丁继中; 贺凯; 张廷芳
Original assignee: Qinghai Lihao Semiconductor Material Co ltd
Current assignee: Qinghai Lihao Semiconductor Material Co ltd
Priority date: 2022-03-25
Filing date: 2022-03-25
Publication date: 2022-07-22
Anticipated expiration: 2032-03-25

Abstract

The utility model discloses a water pressure balancing device of a flash tank, and relates to the technical field of flash tank equipment. The utility model comprises a plurality of tank bodies, a water pressure balance mechanism is arranged among the tank bodies, a protection mechanism is arranged in each tank body, the water pressure balance mechanism comprises a conduit, a communication pipe, a first ring body, a second ring body, a first sealing element and a second sealing element, and the protection mechanism comprises a first corrosion-resistant layer, a protection layer and an inner support ring. According to the utility model, the water pressure balance mechanism and the protection mechanism are arranged, the plurality of tank bodies are combined together through the cooperation of the guide pipe and the communicating pipe, the liquid level balance among the tank bodies is kept, the volume is increased, all water supplement of the same type of tank bodies is equivalent to entering one tank body, the pipeline partial pressure phenomenon is almost eliminated, the liquid level fluctuation in the tank bodies is small, the operation is facilitated, the corrosion of the inner wall of the tank body after long-term use is avoided, and the service life of the tank body is prolonged.

Description

Flash tank water pressure balancing device

Technical Field

The utility model belongs to the technical field of flash tank equipment, and particularly relates to a flash tank water pressure balancing device.

Background

The boiling point of a material increases with increasing pressure and decreases with decreasing pressure. Thus, the high-pressure high-temperature fluid can enter the flash tank after being decompressed and the boiling point of the fluid is reduced. At this point, the fluid temperature is above the boiling point at that pressure. The fluid is boiled off rapidly in the flash tank and a two-phase separation is carried out. The means to bring the fluid to vaporization is not a flash tank, but a pressure relief valve. The function of the flash tank is to provide a space for rapid vaporization of the fluid and vapor-liquid separation.

The flash tank need be used to polycrystalline silicon in process of production, along with the scale constantly enlarges, 702 water system 0.2MPa flash tank increase in number, and the moisturizing pipeline mainly is C2 steam condensate and desalinized water, because of simultaneously to the moisturizing of a plurality of water pitchers, there is partial pressure phenomenon in the pipeline to lead to each water pitcher liquid level fluctuation great. At present, the water pressure is generally balanced by a water replenishing pipeline of a water inlet tank, a flow regulating valve or a manual operator.

Current flash tank water pressure balancing unit is less relatively because of single water pitcher volume when adjusting the liquid level, and the pipeline has partial pressure phenomenon, fluctuation is very big during the automatically regulated liquid level, often needs a large amount of manual regulation, and work load is big and require higher to personnel, and current water pitcher simple structure moreover, intensity is lower, and because the liquid of splendid attire in the water pitcher generally is steam condensate and desalinized water, the water pitcher is used the back inner wall for a long time and is perishable, and life is lower, for this we have proposed a flash tank water pressure balancing unit.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a flash tank water pressure balancing device, which solves the problems that the existing flash tank water pressure balancing device has large fluctuation when the liquid level is automatically adjusted due to relatively small volume of a single water tank and partial pressure phenomenon of a pipeline when the liquid level is adjusted, the workload is large, the requirement on personnel is high, the existing water tank has a simple structure and low strength, and the inner wall of the water tank is easy to corrode after long-term use and the service life is short because the liquid contained in the water tank is generally steam condensate and desalted water.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a flash tank water pressure balancing device which comprises a plurality of tank bodies, wherein a water pressure balancing mechanism is arranged among the tank bodies, and a protection mechanism is arranged in each tank body;

the water pressure balance mechanism comprises a conduit, a communicating pipe, a first ring body, a second ring body, a first sealing element and a second sealing element, wherein the bottom of each tank body is provided with a through hole, one end of the conduit is fixedly arranged in the through hole, the communicating pipe is fixedly arranged below the conduit, the communicating pipe is fixedly provided with a plurality of water inlet pipes, the first ring body is fixedly connected to the bottom end of the peripheral side surface of the conduit, the second ring body is fixedly connected to the top end of the peripheral side surface of the water inlet pipe of the communicating pipe, the bottom of the first ring body is provided with a first annular groove, the first sealing element is arranged in the first annular groove, the top end of the second ring body is provided with a second annular groove, the second annular groove is matched with the first annular groove, the second sealing element is arranged in the second annular groove, the second sealing element is in contact with the first sealing element, and the plurality of tank bodies are communicated with the conduit through the communicating pipe, the first ring body, the second ring body, the first sealing element and the second sealing element play a role in sealing the connection part of the conduit and the communicating pipe;

the protection mechanism comprises a first corrosion-resistant layer, a protective layer and inner supporting rings, the first corrosion-resistant layer is arranged on the inner wall of the tank body, the protective layer is arranged between the first corrosion-resistant layer and the inner wall of the tank body, the outer ring of each inner supporting ring is fixedly connected with the inner wall of the tank body, two inner supporting rings are arranged in each tank body, and the two inner supporting rings are symmetrically arranged on two sides of the tank body.

Preferably, water inlet and delivery port have been seted up respectively to jar body top both sides, the fixed inlet tube that is provided with in inlet port department, the fixed outlet pipe that is provided with in outlet port department, the fixed extraction pump that is provided with on the outlet pipe, the outlet pipe end extends to jar internal portion below the liquid level, takes the internal liquid of jar to flash tank inside through the extraction pump.

Preferably, the bottom of the peripheral side surface of the first ring body is fixedly connected with a first flange plate, the top of the peripheral side surface of the second ring body is fixedly connected with a second flange plate, the second flange plate is matched with the first flange plate, and the first flange plate is fixedly connected with the second flange plate through a fastening bolt.

Preferably, first sealing member includes first cushion and first sealing ring, first cushion fixed connection is at first annular groove top, first seal ring fixed connection is in first cushion bottom, the second sealing member includes second cushion and second sealing ring, second cushion fixed connection is at second annular groove tank bottom, second seal ring fixed connection is at second cushion top, just the second sealing ring matches with first sealing ring, and first cushion makes first sealing ring closely laminate with the second sealing ring with the second cushion.

Preferably, the inner wall of the conduit is provided with a second corrosion-resistant layer, the inner wall of the communicating pipe is provided with a third corrosion-resistant layer, and the second corrosion-resistant layer and the third corrosion-resistant layer respectively play a role in protecting the conduit and the communicating pipe.

Preferably, the outer side surface of the conduit is provided with a stop valve, and the flow is adjusted through the stop valve.

Preferably, the interior ring that props is inside to be the cavity form, just fixedly connected with strengthening rib on the interior ring inner wall that props, the strengthening rib includes first stiffener and second stiffener, and first stiffener and second stiffener cross arrangement.

The utility model has the following beneficial effects:

1. according to the utility model, the water pressure balance mechanism is arranged, the plurality of tank bodies are combined together through the matching of the guide pipe and the communicating pipe, the liquid level balance among the tank bodies is kept, the volume is increased, all water supplement of the same type of tank bodies is equivalent to entering one tank body, the pipeline partial pressure phenomenon is almost eliminated, the liquid level fluctuation in the tank bodies is small, the operation is facilitated, the connection part of the guide pipe and the communicating pipe is sealed through the matching of the first ring body, the second ring body, the first sealing element and the second sealing element, the first elastic pad and the second elastic pad enable the first sealing ring and the second sealing ring to be tightly attached, the sealing performance of the connection part of the guide pipe and the communicating pipe is good, the liquid in the tank is prevented from leaking from the connection part of the guide pipe and the communicating pipe, and the liquid level balance in the tank is kept;

2. according to the utility model, by arranging the protection mechanism, the inner wall of the tank body is protected by arranging the first corrosion-resistant layer and the protection layer, so that the inner wall of the tank body is prevented from being corroded by liquid, the strength of the tank body is enhanced by arranging the inner supporting ring, the weight of the tank body is reduced due to the hollow part in the inner supporting ring, the strength of the inner supporting ring is enhanced by the reinforcing rib arranged in the inner part of the inner supporting ring, the corrosion of the inner wall of the tank body after long-term use is avoided, and the service life of the tank body is prolonged.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced 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 that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a perspective view of a flash tank water pressure balance device of the present invention;

FIG. 2 is a top view of a flash tank water pressure balance device of the present invention;

FIG. 3 is a sectional view taken along line A-A of FIG. 2 of a flash tank water pressure balancing apparatus according to the present invention;

FIG. 4 is an enlarged view of the flash tank water pressure balance device of the present invention at B of FIG. 3;

FIG. 5 is an enlarged view of the flash tank water pressure balancing device of the present invention at C of FIG. 3.

In the drawings, the reference numbers indicate the following list of parts:

1. a tank body; 2. a conduit; 3. a communicating pipe; 4. a first ring body; 5. a second ring body; 6. a first seal member; 601. a first elastic pad; 602. a first seal ring; 7. a second seal member; 701. a second elastic pad; 702. a second seal ring; 8. a first corrosion-resistant layer; 9. a protective layer; 10. an inner support ring; 11. a suction pump; 12. a first flange plate; 13. a second flange plate; 14. a second corrosion-resistant layer; 15. a third corrosion-resistant layer; 16. a stop valve; 17. and (7) reinforcing ribs.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further explained by combining the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the utility model relates to a flash tank water pressure balancing device, which comprises a plurality of tank bodies 1, wherein a water pressure balancing mechanism is arranged among the plurality of tank bodies 1, and a protection mechanism is arranged in each tank body 1;

the water pressure balance mechanism comprises a guide pipe 2, a communication pipe 3, a first ring body 4, a second ring body 5, a first sealing element 6 and a second sealing element 7, wherein the bottom of each tank body 1 is provided with a through hole, one end of the guide pipe 2 is fixedly arranged in the through hole, the communication pipe 3 is fixedly arranged below the guide pipe 2, a plurality of water inlet pipes are fixedly arranged on the communication pipe 3, the first ring body 4 is fixedly connected at the bottom end of the peripheral side surface of the guide pipe 2, the second ring body 5 is fixedly connected at the top end of the peripheral side surface of the water inlet pipe of the communication pipe 3, the bottom of the first ring body 4 is provided with a first annular groove, the first sealing element 6 is arranged in the first annular groove, the top end of the second ring body 5 is provided with a second annular groove, the second annular groove is matched with the first annular groove, the second sealing element 7 is arranged in the second annular groove, the second sealing element 7 is contacted with the first sealing element 6, and the plurality of tank bodies 1 are communicated with the guide pipe 2 through the communication pipe 3, the first ring body 4, the second ring body 5, the first sealing element 6 and the second sealing element 7 play a role in sealing the joint of the conduit 2 and the communicating pipe 3, and the sealing effect is good;

the protection mechanism comprises a first corrosion-resistant layer 8, a protective layer 9 and inner support rings 10, the first corrosion-resistant layer 8 is arranged on the inner wall of the tank body 1, the protective layer 9 is arranged between the first corrosion-resistant layer 8 and the inner wall of the tank body 1, the outer ring of each inner support ring 10 is fixedly connected with the inner wall of the tank body 1, two inner support rings 10 are arranged inside each tank body 1, and the two inner support rings 10 are symmetrically arranged on two sides of the tank body 1, so that the structure of the tank body 1 is enhanced.

Wherein, a water inlet and a water outlet are respectively arranged on two sides of the top of the tank body 1, a water inlet pipe is fixedly arranged at the water inlet, a water outlet pipe is fixedly arranged at the water outlet, an extraction pump 11 is fixedly arranged on the water outlet pipe, the tail end of the water outlet pipe extends to the position below the liquid level in the tank body 1, and the liquid in the tank body 1 is extracted to the inside of the flash tank through the extraction pump 11.

Wherein, the bottom of the side of the first ring body 4 is fixedly connected with a first flange 12, the top of the side of the second ring body 5 is fixedly connected with a second flange 13, the second flange 13 is matched with the first flange 12, and the first flange 12 is fixedly connected with the second flange 13 through a fastening bolt.

The first sealing element 6 comprises a first elastic pad 601 and a first sealing ring 602, the first elastic pad 601 is fixedly connected to the top of the first annular groove, the first sealing ring 602 is fixedly connected to the bottom of the first elastic pad 601, the second sealing element 7 comprises a second elastic pad 701 and a second sealing ring 702, the second elastic pad 701 is fixedly connected to the bottom of the second annular groove, the second sealing ring 702 is fixedly connected to the top of the second elastic pad 701, the second sealing ring 702 is matched with the first sealing ring 602, and the first elastic pad 601 and the second elastic pad 701 enable the first sealing ring 602 and the second sealing ring 702 to be tightly attached.

Wherein, the inner wall of the conduit 2 is provided with a second corrosion-resistant layer 14, the inner wall of the communicating pipe 3 is provided with a third corrosion-resistant layer 15, and the second corrosion-resistant layer 14 and the third corrosion-resistant layer 15 respectively play a role in protecting the conduit 2 and the communicating pipe 3.

Wherein, the outer side of the conduit 2 is provided with a stop valve 16, and the flow is adjusted through the stop valve 16.

Wherein, the inside cavity form that is of interior vaulting ring 10, and fixedly connected with strengthening rib 17 on the inner wall of interior vaulting ring 10, strengthening rib 17 includes first stiffener and second stiffener, and first stiffener and second stiffener cross arrangement strengthen interior vaulting ring 10 structure.

The working principle of the utility model is as follows: firstly, a tank body 1 is communicated with a flash tank through a water outlet pipe, a plurality of tank bodies 1 are combined together through the matching of a guide pipe 2 and a communication pipe 3, the liquid level balance among the tanks is kept, the volume is increased equivalently, all water supplement of the same type of tank body 1 is equivalent to entering one tank body 1, the pipeline partial pressure phenomenon is almost eliminated, the liquid level fluctuation in the tank body 1 is small, the operation is facilitated, a first ring body 4 is fixedly connected with a second ring body 5 through a first flange 12 and a second flange 13, a first sealing ring 602 is tightly attached to a second sealing ring 702 through a first elastic pad 601 and a second elastic pad 701, the sealing performance of the connection part of the guide pipe 2 and the communication pipe 3 is good, the liquid in the tank is prevented from leaking from the connection part of the guide pipe 2 and the communication pipe 3, and the liquid level balance in the tank is kept; the inner wall of the tank body 1 is protected by arranging the first corrosion-resistant layer 8 and the protective layer 9, so that the inner wall of the tank body 1 is prevented from being corroded by liquid, the strength of the tank body 1 is enhanced by arranging the inner support ring 10, the weight of the tank body 1 is lightened due to the hollow inside of the inner support ring 10, the strength of the inner support ring 10 is enhanced by the reinforcing rib 17 arranged inside the inner support ring 10, the inner wall corrosion caused after the tank body 1 is used for a long time is avoided, and the service life of the tank body 1 is prolonged.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A flash tank water pressure balancing unit which characterized in that: the water-saving tank comprises a plurality of tank bodies (1), a water pressure balance mechanism is arranged among the plurality of tank bodies (1), and a protection mechanism is arranged in each tank body (1);

the water pressure balance mechanism comprises a pipe (2), a communicating pipe (3), a first ring body (4), a second ring body (5), a first sealing element (6) and a second sealing element (7), wherein a through hole is formed in the bottom of each tank body (1), one end of the pipe (2) is fixedly arranged in the through hole, the communicating pipe (3) is fixedly arranged below the pipe (2), a plurality of water inlet pipes are fixedly arranged on the communicating pipe (3), the first ring body (4) is fixedly connected to the bottom of the peripheral side face of the pipe (2), the second ring body (5) is fixedly connected to the top of the peripheral side face of the water inlet pipe of the communicating pipe (3), a first annular groove is formed in the bottom of the first ring body (4), the first sealing element (6) is arranged in the first annular groove, a second annular groove is formed in the top of the second ring body (5), and the second annular groove is matched with the first annular groove, the second sealing element (7) is arranged inside the second annular groove, and the second sealing element (7) is in contact with the first sealing element (6);

the protection mechanism comprises a first corrosion-resistant layer (8), a protective layer (9) and an inner support ring (10), the first corrosion-resistant layer (8) is arranged on the inner wall of the tank body (1), the protective layer (9) is arranged between the first corrosion-resistant layer (8) and the inner wall of the tank body (1), and the outer ring of the inner support ring (10) is fixedly connected with the inner wall of the tank body (1).

2. The water pressure balancing device of the flash tank according to claim 1, wherein a water inlet and a water outlet are respectively formed in two sides of the top of the tank body (1), a water inlet pipe is fixedly arranged at the water inlet, a water outlet pipe is fixedly arranged at the water outlet, and an extraction pump (11) is fixedly arranged on the water outlet pipe.

3. A flash tank water pressure balancing device according to claim 2, wherein a first flange (12) is fixedly connected to the bottom of the peripheral side of the first ring body (4), a second flange (13) is fixedly connected to the top of the peripheral side of the second ring body (5), and the second flange (13) is matched with the first flange (12).

4. The flash tank water pressure balancing device according to claim 3, wherein the first sealing element (6) comprises a first elastic pad (601) and a first sealing ring (602), the first elastic pad (601) is fixedly connected to the top of the first annular groove, the first sealing ring (602) is fixedly connected to the bottom of the first elastic pad (601), the second sealing element (7) comprises a second elastic pad (701) and a second sealing ring (702), the second elastic pad (701) is fixedly connected to the bottom of the second annular groove, the second sealing ring (702) is fixedly connected to the top of the second elastic pad (701), and the second sealing ring (702) is matched with the first sealing ring (602).

5. A flash tank water pressure balance device according to claim 4, characterized in that a second corrosion-resistant layer (14) is provided on the inner wall of the conduit (2), and a third corrosion-resistant layer (15) is provided on the inner wall of the communicating tube (3).

6. A flash tank water pressure equalizing device according to claim 5, wherein a shut-off valve (16) is provided outside the conduit (2).

7. The hydraulic pressure balancing device of a flash tank according to claim 1, wherein the inner supporting ring (10) is hollow, and a reinforcing rib (17) is fixedly connected to an inner wall of the inner supporting ring (10).