CN212987178U

CN212987178U - Boiler blow-off flash tank

Info

Publication number: CN212987178U
Application number: CN202021689619.5U
Authority: CN
Inventors: 魏小乐; 曹议丹
Original assignee: Gansu Fujite Hvac Technology Co ltd
Current assignee: Gansu Fujite Hvac Technology Co ltd
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-04-16
Anticipated expiration: 2030-08-14

Abstract

The utility model discloses a boiler blowdown flash tank, including the flash tank body, the vertical step motor that installs in flash tank body top surface, and the step motor output is connected with the lead screw, the spiral cover in lead screw surface has connect the mounting panel. The utility model discloses in, through setting up the installation piece, the brush, the connecting rod, the main shaft, driving motor, step motor, the cooperation of lead screw and mounting panel is used, when certain liquid level is collected to the inside waste water of flash tank body, begin to open the drain and carry out the sewage of discharging, before opening the drain, the staff passes through the controller and starts step motor and driving motor respectively, later step motor passes through the lead screw and drives the mounting panel downstream, later make the main shaft drive connecting rod and brush go deep into waste water inside, later make the main shaft drive connecting rod and brush clear up the granule and the spot of adsorbing at flash tank body inner wall surface under driving motor's drive, this mode can effectually make the granule in the waste liquid pass through the drain and discharge.

Description

Boiler blow-off flash tank

Technical Field

The utility model relates to a dilatation equipment technical field especially relates to a boiler blowdown flash tank.

Background

The blow-down flash tank is also called blow-down expansion tank, and is designed and manufactured by a pressure container GB 150-98. The flash tank is divided into a continuous blowdown flash tank, a periodic blowdown flash tank and a drain flash tank. The flash vessel is connected with the drain of boiler, is used for the steam blowdown decompression dilatation of boiler, and the adiabatic expansion separation of blow off water is secondary steam and waste heat water in the expander to through dilatation, step-down, heat exchange in the expander, then discharge, secondary steam is drawn forth by special pipeline, and waste heat water is discharged away through floater liquid level valve or overflow regulating valve is automatic, and heat energy can obtain the recovery and reuse. The continuous sewage discharge amount is automatically adjusted along with the change of the boiler water supply load, and the relatively stable sewage discharge rate is kept.

The prior art has the following problems:

the dirty grain of present common blowdown flash vessel barrel inner wall adsorbs easily at flash vessel inner wall surface, can not get thoroughly got rid of, and long-term accumulation leads to barrel bottom pressure-bearing great, influences the work efficiency of the continuous blowdown flash vessel of boiler, is unfavorable for people's use.

We have therefore proposed a boiler blow-down flash tank which addresses the above disadvantages.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a boiler blow-down flash tank.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a boiler blowdown flash tank, includes the flash tank body, the vertical step motor that installs of flash tank body top surface, and the step motor output is connected with the lead screw, lead screw surface spiral has cup jointed the mounting panel, mounting panel top surface intermediate position installs driving motor, the driving motor output is connected with the main shaft, inside main shaft one end was run through mounting panel and flash tank body top surface and is extended to the flash tank body, main shaft surface mounting has the connecting rod, and connecting rod one end is provided with the installation piece, installation piece surface is provided with the brush, the brush is made for high temperature resistant material.

Preferably, a steady flow disc is arranged on the surface of one side of the flash tank body, one end of the steady flow disc is in through connection with the inside of the flash tank body, a water inlet pipe is arranged at the other end of the steady flow disc, a plurality of grooves are formed in the bottom end of the steady flow disc, and a drain outlet is vertically formed in the bottom end of the flash tank body.

Preferably, the surface mounting of flash vessel body one side has the blast pipe, and blast pipe one end is provided with the gas vent, the inside steam-water separator that installs of blast pipe.

Preferably, the landing leg is installed to flash tank body bottom, and the landing leg is provided with a plurality ofly to a plurality of landing legs equidistance are installed on flash tank body bottom surface.

Preferably, a plurality of slide bars are installed to flash tank body top surface position in lead screw one side, and slide bar and mounting panel sliding connection.

Preferably, the flash tank body surface mounting has the controller, flash tank body surface mounting has the level gauge.

Compared with the prior art, the utility model has the advantages that;

1. the utility model, through the cooperation of the installation block, the brush, the connecting rod, the main shaft, the driving motor, the stepping motor, the screw rod and the installation plate, when the waste water in the flash tank body is collected to a certain liquid level (the specific liquid level can be observed by a worker through the liquid level meter), the sewage discharge port is opened to discharge the sewage, before opening the drain, the staff passes through the controller and starts step motor and driving motor respectively, later step motor passes through the lead screw and drives the mounting panel and move down, later make the main shaft drive connecting rod and brush and go deep into waste water inside, later make the main shaft drive connecting rod and brush clear up the granule and the spot of adsorbing on flash tank body inner wall surface under driving motor's drive, this mode can effectually make the granule in the waste liquid pass through the drain and discharge, prevent to adsorb on flash tank inner wall surface.

2. The utility model discloses, install the stationary flow dish in the one end of water inlet, seted up a plurality of recesses in the inside bottom of stationary flow dish, through setting up the recess, the liquid that is convenient for make to get into the stationary flow dish flows into the flash tank through the recess inside, can make sewage evenly flow in, the better purpose that reaches the flash separation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a boiler blow-down flash tank according to the present invention;

FIG. 2 is a schematic view of a brush of a blow-down flash tank of a boiler according to the present invention;

fig. 3 is a steady flow illustration diagram of a boiler blow-down flash tank provided by the present invention.

Illustration of the drawings:

1. a flash tank body; 2. a water inlet pipe; 3. a flow stabilizing disc; 4. mounting blocks; 5. a stepping motor; 6. a screw rod; 7. mounting a plate; 8. a drive motor; 9. a slide bar; 10. an exhaust port; 11. a steam-water separator; 12. an exhaust pipe; 13. a sewage draining outlet; 14. a support leg; 15. a brush; 16. a connecting rod; 17. a main shaft; 18. and (4) a groove.

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; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; 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, a boiler blowdown flash tank, including

flash tank body

1, 1 top surface of flash tank body is vertical installs step motor 5, and step motor 5 output is connected with

lead screw

6, 6 surperficial spiral sleeves of lead screw have been connected

mounting panel

7, 7 top surface intermediate positions of mounting panel install

driving motor

8, 8 output of driving motor is connected with

main shaft

17, 17 one end of main shaft runs through

mounting panel

7 and 1 top surface of flash tank body and extends to inside 1 of flash tank body, 17 surface mounting on the main shaft has connecting

rod

16, and 16 one end of connecting rod is provided with

installation piece

4, 4 surfaces of installation piece are provided with brush 15, brush 15 is made for high temperature resistant material.

In this embodiment: through the arrangement of the installation block 4, the brush 15, the connecting rod 16, the main shaft 17, the driving motor 8, the stepping motor 5, the screw rod 6 and the installation plate 7, when waste water in the flash tank body 1 is collected to a certain liquid level (the specific liquid level can be observed by a worker), the sewage discharge port 13 is started to be opened for discharging the sewage, before the sewage discharge port 13 is opened, the worker respectively starts the stepping motor 5 and the driving motor 8 through the controller, then the stepping motor 5 drives the installation plate 7 to move downwards through the screw rod 6, then the main shaft 17 drives the connecting rod 16 and the brush 15 to penetrate into the waste water, then the main shaft 17 drives the connecting rod 16 and the brush 15 to clean particles and stains adsorbed on the inner wall surface of the flash tank body 1 under the driving of the driving motor 8, and the mode can effectively discharge the particles in the waste liquid through the sewage discharge port 13, preventing adsorption on the inner wall surface of the flash tank.

Specifically, 1 side surface of flash vessel body is provided with

current stabilization dish

3, and 3 one end of current stabilization dish and 1 inside through connection of flash vessel body, and the 3 other ends of current stabilization dish are provided with

inlet tube

2, and 3 inside bottoms of current stabilization dish are provided with recess 18, and recess 18 has seted up a plurality ofly, and 1 vertical drain 13 of having seted up in flash vessel body bottom.

In this embodiment: through setting up flow stabilizing disc 3, be provided with recess 18 in flow stabilizing disc 3 inside, be convenient for make the liquid that gets into flow stabilizing disc 3 flow into the flash vessel inside through recess 18, can make sewage evenly flow in, better reach the purpose of flash separation.

Specifically, the surface mounting of flash vessel body 1 one side has blast pipe 12, and blast pipe 12 one end is provided with gas vent 10, and blast pipe 12 internally mounted has catch water 11.

In this embodiment: the exhaust pipe 12 and the exhaust port 10 are arranged, so that steam can be conveniently discharged, the steam-water separator 11 is arranged, so that gas and liquid can be conveniently separated, and the steam-water separator 11 belongs to the common knowledge in the field, is only used without being modified, so that the detailed description of a control mode and circuit connection is omitted.

Specifically, landing leg 14 is installed to flash tank body 1 bottom, and landing leg 14 is provided with a plurality ofly to a plurality of landing legs 14 equidistance are installed on flash tank body 1 bottom surface.

In this embodiment: through setting up landing leg 14, be convenient for to the support of flash tank body 1 to guarantee the stability of flash tank body 1 in the course of the work.

Specifically, a plurality of slide bars 9 are installed on the top surface of the flash tank body 1 on one side of the screw rod 6, and the slide bars 9 are slidably connected with the mounting plate 7.

In this embodiment: through setting up a plurality of slide bars 9, be convenient for improve the stability of mounting panel 7 in the removal process.

Specifically, the flash tank body 1 surface mounting has the controller, and flash tank body 1 surface mounting has the level gauge.

In this embodiment: the flash tank body 1 is convenient to control by arranging a controller (not marked in the figure), and the controller and a control circuit inside the liquid level meter can be realized by simple programming of a person skilled in the art, belong to common knowledge in the field, are only used without modification, so that the detailed description of a control mode and circuit connection is omitted.

The working principle is as follows: when certain liquid level was collected to waste water in flash tank body 1 inside (specific liquid level can observe the level gauge through the staff), begin to open drain 13 and carry out the sewage of discharging, before opening drain 13, the staff passes through the controller and starts step motor 5 and driving motor 8 respectively, later step motor 5 drives mounting panel 7 downstream through lead screw 6, later make main shaft 17 drive connecting rod 16 and brush 15 go deep into waste water inside, later make main shaft 17 drive connecting rod 16 and brush 15 clear up the granule and the spot of adsorbing at flash tank body 1 inner wall surface under driving motor 8's drive, this mode can effectually make the granule in the waste liquid pass through drain 13 and discharge, prevent to adsorb at flash tank inner wall surface.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A boiler blow-down flash tank comprises a flash tank body (1) and is characterized in that, a stepping motor (5) is vertically arranged on the surface of the top of the flash tank body (1), the output end of the stepping motor (5) is connected with a screw rod (6), the surface of the screw rod (6) is spirally sleeved with a mounting plate (7), a driving motor (8) is arranged in the middle of the top surface of the mounting plate (7), the output end of the driving motor (8) is connected with a main shaft (17), one end of the main shaft (17) penetrates through the mounting plate (7) and the top surface of the flash tank body (1) to extend into the flash tank body (1), the surface of the main shaft (17) is provided with a connecting rod (16), and one end of the connecting rod (16) is provided with an installation block (4), the surface of the installation block (4) is provided with a brush (15), and the brush (15) is made of high-temperature-resistant materials.

2. The boiler blow-down flash tank as claimed in claim 1, wherein a flow stabilizing disc (3) is arranged on one side surface of the flash tank body (1), one end of the flow stabilizing disc (3) is connected with the inside of the flash tank body (1) in a penetrating manner, a water inlet pipe (2) is arranged at the other end of the flow stabilizing disc (3), a plurality of grooves (18) are formed in the bottom end of the inside of the flow stabilizing disc (3), and a blow-down outlet (13) is vertically formed in the bottom end of the flash tank body (1).

3. The flash tank for boiler blow-off according to claim 1, wherein an exhaust pipe (12) is installed on one side surface of the flash tank body (1), an exhaust port (10) is arranged at one end of the exhaust pipe (12), and a steam-water separator (11) is installed inside the exhaust pipe (12).

4. A boiler blow-down flash tank according to claim 1, characterized in that the flash tank body (1) is provided with a plurality of legs (14) at the bottom end thereof, and the plurality of legs (14) are installed at the bottom end surface of the flash tank body (1) at equal intervals.

5. A flash tank for boiler blow-off according to claim 1, characterized in that a plurality of slide bars (9) are installed on the top surface of the flash tank body (1) at one side of the screw rod (6), and the slide bars (9) are slidably connected with the mounting plate (7).

6. The flash tank for boiler blow-off according to claim 1, characterized in that the flash tank body (1) is surface-mounted with a controller, and the flash tank body (1) is surface-mounted with a liquid level meter.