CN210860642U

CN210860642U - Compressed air storage tank for thermal power plant

Info

Publication number: CN210860642U
Application number: CN201921870868.1U
Authority: CN
Inventors: 房吉国; 张双麟; 席迎宾
Original assignee: Datang Yuncheng Power Generation Co Ltd
Current assignee: Datang Yuncheng Power Generation Co Ltd
Priority date: 2019-11-01
Filing date: 2019-11-01
Publication date: 2020-06-26
Anticipated expiration: 2029-11-01

Abstract

The utility model discloses a compressed air storage tank for thermal power plants, which comprises a tank body, a movable plate and a balance block, wherein the middle part of the top end of the tank body is welded with a connecting pipe; the utility model discloses a be equipped with the movable plate, balancing piece and spring, when discharge valve became invalid, the internal gas pressure of jar sharply rises simultaneously, the internal pressure of jar can promote the movable plate upwards to slide, and then can promote spring and balancing piece rebound, the internal gas of jar can discharge rapidly through the through-hole, with reduce the internal pressure of jar, avoid endangering people's life and property safety, through being equipped with the silk screen demister, can get rid of oil gas and foam in the air, and get into the fixed box together with the moisture in the air through the drainage plate, and discharge through the blow off pipe, and through in time clearing up the greasy dirt and the carbide that store up in the gas holder, thereby can avoid jar internal carbon deposit burning, prolong the life of gas holder.

Description

Compressed air storage tank for thermal power plant

Technical Field

The utility model relates to a compressed air gas holder technical field specifically is a thermal power plant uses compressed air gas holder.

Background

The gas storage tank is a device specially used for storing gas, plays a role in stabilizing the system pressure, can be divided into a high-pressure gas storage tank, a low-pressure gas storage tank and a normal-pressure gas storage tank according to different bearing pressures of the gas storage tank, can be divided into a carbon steel gas storage tank, a low-alloy steel gas storage tank and a stainless steel gas storage tank according to different material of the gas storage tank, and generally comprises parts and components such as a cylinder body, a head, a flange, a connecting pipe, a sealing element, a support and the like, and is also provided with a safety device, a meter and an internal part for completing different production process effects, the maintenance and the maintenance of the gas storage tank are very important, whether a pipeline connecting screw is loosened and failed or not needs to be checked every day, the screw is coated with butter to prevent the screw from being rusted, the tank body from being damaged, the tank body is kept clean and, if the gas holder is not used for a long time, the moisture in the gas holder is discharged, the gas holder is kept dry, the appearance of the gas holder body is bright in color and luster, the surface treatment is uniform, the welding line is flat and clear, an equipment nameplate is needed, the working pressure of the gas holder is arranged on the equipment nameplate, the manufacturing date, the volume is large or small, the factory number, the weight and the volume are provided, the medium for marking the gas holder is marked, a monitoring unit is needed, a manufacturing unit is needed, the steel printing number of the product is needed to be arranged under the nameplate, one machine and one grade of the gas holder equipment are established, the gas holder inspection report, the use certificate, the related technical data, the regulation system, the drawing and other contents are included, an operator needs to be certified and put on duty, the remote monitoring is realized, the unmanned monitoring is needed to be carried out:

the air storage tank in the prior art only has one exhaust valve as a safety valve for pressure relief, when the exhaust valve fails, the gas pressure in the air storage tank rises sharply, if the strength limit of the wall thickness of the tank body is exceeded, explosion can occur, life and property safety of people is endangered, and air in the air storage tank is deposited carbon, mechanical impact and static discharge and other sparks generated when hard particles move are generated, and due to poor cooling, the air storage tank is accumulated with a large amount of oil stains and carbides, if the carbon deposits can not be cleaned in time, the carbon deposits in the tank can be combusted, the air storage tank can be combusted and exploded, and certain harm is caused to life and property of people.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a thermal power plant uses compressed air gas holder to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a compressed air storage tank for a thermal power plant comprises a tank body, a movable plate and a balance block, wherein a connecting pipe is welded in the middle of the top end of the tank body, one end of the connecting pipe is fixedly connected with a sealing cover through a flange and a bolt, supporting blocks are fixedly connected to two sides of the inner wall of the connecting pipe close to the bottom end through bolts, two sides of the inner wall of the connecting pipe are respectively connected with the movable plate and the balance block through sliding blocks, through holes are respectively formed in two sides of the inner wall of the connecting pipe close to the top end, a spring is welded in the middle of the upper surface of the movable plate, the other end of the spring is welded with the balance block, a pressure gauge is fixedly connected to one side of the tank body close to the top end through bolts, an exhaust valve is fixedly connected to, the manhole passes through flange and bolt fixedly connected with end cover, jar body opposite side is close to bottom department and passes through bolt fixedly connected with intake pipe, jar body bottom is pegged graft and is had the blow off pipe, just the blow off pipe with jar body passes through bolt fixedly connected, blow off pipe one end threaded connection has the sealing plug.

Preferably, the internal wall middle part both sides of jar all are through bolt fixedly connected with silk screen demister, two bolt fixedly connected with stationary box is passed through to silk screen demister one end, just the opening has been seted up on the stationary box top, the stationary box both sides are all through bolt fixedly connected with drainage plate, just the drainage plate with the stationary box communicates with each other, stationary box one end with the blow off pipe communicates with each other.

Preferably, jar body lower surface four corners edge all has the landing leg through bolt fixedly connected with, the rubber pad has been pasted to landing leg one end.

Preferably, the drainage plate is thirty degrees of included angle with the horizontal direction, and the silk screen demister is seventy degrees of included angle with the horizontal direction.

Preferably, intake pipe and outlet duct one side all are through bolt fixedly connected with control valve, the balancing piece is cylindrical structure, just balancing piece diameter size with connecting pipe inner wall diameter size equals, the rubber pad has been pasted to the balancing piece periphery.

Preferably, the manhole is of a circular structure, the diameter of the manhole is 80-100CM, and the supporting block is used as a limiting device of the moving plate.

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

the utility model is provided with the movable plate, the balance weight and the spring, when the exhaust valve is invalid, simultaneously, the gas pressure in the tank body rises sharply, the pressure in the tank body can push the movable plate to slide upwards, further the spring and the balance weight can be pushed to move upwards, the gas in the tank body can be discharged rapidly through the through hole, so as to reduce the pressure in the tank body, the explosion of the tank body pressure exceeding the strength limit of the wall thickness can be prevented, the safety of life and property of people is avoided, and by arranging the silk screen demister, the drainage plate, the blow-off pipe and the fixed box, the air compressor can carry oil gas and foam when extracting the air in the air storage tank, the oil gas and the foam in the air can be removed by arranging the silk screen demister, and the oil gas and the foam in the air can enter the fixed box together with the moisture in the air through the drainage plate and can be discharged through the blow-off, thereby in jar body use, can avoid hard particle and oil gas mechanical shock and electrostatic discharge etc. that take place when the motion to produce the spark, through in time clearing up greasy dirt and carbide that accumulate in the gas holder, thereby can avoid jar interior carbon deposit burning, ensure people's life and property safety, prolong the life of gas holder.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

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

In the figure: 1-tank body; 2-a pressure gauge; 3-connecting pipe; 4-sealing cover; 5-an exhaust valve; 6-air outlet pipe; 7-a manhole; 8-end cap; 9-an air inlet pipe; 10-a leg; 11-an outlet pipe; 12-a sealing plug; 13-a balance weight; 14-a through hole; 15-a spring; 16-moving the plate; 17-wire mesh demister; 18-a stationary box; 19-a drainage plate; 20-supporting block.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a compressed air storage tank for a thermal power plant comprises a tank body 1, a movable plate 16 and a balance block 13, wherein a connecting pipe 3 is welded in the middle of the top end of the tank body 1, supporting legs 10 are fixedly connected to four corners of the lower surface of the tank body 1 through bolts, rubber pads are adhered to one ends of the supporting legs 10 and used for supporting the tank body 1, a sealing cover 4 is fixedly connected to one end of the connecting pipe 3 through a flange and a bolt, supporting blocks 20 are fixedly connected to positions, close to the bottom ends, of two sides of the inner wall of the connecting pipe 3 through bolts, two sides of the inner wall of the connecting pipe 3 are slidably connected with the movable plate 16 and the balance block 13 through sliders, the self gravity of the balance block 13 is equal to the maximum pressure value set by the tank body 1, through holes 14 are formed in positions, close to the top ends, of two, the pressure gauge 2 is fixedly connected to one side of the tank body 1 close to the top end through a bolt, the exhaust valve 5 is fixedly connected to one side of the tank body 1 through a flange and a bolt, the outlet pipe 6 is fixedly connected to one side of the tank body 1 close to one end through a bolt, the manhole 7 is welded to the tank body 1 on one side of the outlet pipe 6, the manhole 7 is of a circular structure, the diameter of the manhole 7 is 80-100CM, an maintainer can enter the tank body 1 through the manhole 7 to maintain and check, the supporting block 20 is used as a limiting device of the movable plate 16, the manhole 7 is fixedly connected with the end cover 8 through a flange and a bolt, the inlet pipe 9 is fixedly connected to the other side of the tank body 1 close to the bottom end through a bolt, the inlet pipe 9 and one side of the outlet pipe 6, and the diameter size of the balance weight 13 is equal to the diameter size of the inner wall of the connecting pipe 3, a rubber pad is adhered to the periphery of the balance weight 13, a blow-off pipe 11 is inserted into the bottom end of the tank body 1, the blow-off pipe 11 is fixedly connected with the tank body 1 through a bolt, one end of the blow-off pipe 11 is in threaded connection with a sealing plug 12, when the exhaust valve 5 fails, the pressure in the tank body 1 rises sharply, the pressure in the tank body 1 pushes the movable plate 16 to slide upwards, so that the spring 15 can be pushed to extrude, when the spring 15 is extruded to the maximum limit, the balance weight 13 can be pushed to move upwards, the gas in the tank body 1 can be rapidly discharged through the through hole 14, so that the pressure in the tank body 1 can be reduced, the tank body 1 can be prevented from exploding beyond the strength limit of the wall thickness, the life and property safety of people can be avoided, both, the silk screen demister 17 is specifically a silk screen demister with model number of SP300-150, wherein one end of each of the two silk screen defoamers 17 is fixedly connected with a fixed box 18 through a bolt, an opening is formed in the top end of the fixed box 18, two sides of the fixed box 18 are both fixedly connected with a drainage plate 19 through a bolt, the drainage plate 19 is communicated with the fixed box 18, one end of the fixed box 18 is communicated with the blow-off pipe 11, the drainage plate 19 forms a thirty-degree included angle with the horizontal direction, the silk screen demister 17 forms a seventy-degree included angle with the horizontal direction, when air in the air storage tank is extracted by an air compressor, oil gas and foam are carried, the oil gas and the foam in the air can be removed by arranging the silk screen demister 17, the oil gas and the foam in the air can enter the fixed box 18 together with moisture in the air through the drainage plate 19 and can be discharged through the blow-off pipe 11, and hard particles and oil gas in the air can be discharged, therefore, the sparks generated by mechanical impact, electrostatic discharge and the like of hard particles and oil gas generated during movement can be avoided in the use process of the tank body 1, and oil stains and carbides accumulated in the gas storage tank are cleaned in time, so that carbon deposition combustion in the tank can be avoided, and the life and property safety of people is ensured.

The working principle is as follows: when the air-purifying tank is used, air is sucked into the tank body 1 through the air inlet pipe 9, the air in the tank body 1 is compressed through the air compressor at the same time, when the air-purifying tank is required to be used, the air in the tank body 1 is discharged through the air storage tank 6, the pressure in the tank body 1 is balanced through the exhaust valve 5, when the exhaust valve 5 fails, the air pressure in the tank body 1 rises rapidly, the pressure in the tank body 1 can push the moving plate 16 to slide upwards, the spring 15 and the balance block 13 can be further pushed to move upwards, the air in the tank body 1 can be rapidly discharged through the through hole 14 to reduce the pressure in the tank body 1, the explosion of the pressure in the tank body 1 exceeding the strength limit of the wall thickness can be prevented, the life and property safety of people is prevented from being harmed, and the air compressor is provided with the silk screen demister 17, the drainage plate 19, the drain, can smuggle oil gas and foam secretly, through being equipped with silk screen demister 17, can get rid of oil gas and foam in the air, and get into fixed case 18 together with the moisture in the air through drainage plate 19, and discharge through blow off pipe 11, can discharge hard particle and oil gas in the air, thereby in jar body 1 use, can avoid the mechanical shock and the production sparks such as electrostatic discharge that hard particle and oil gas took place when the motion, and clear up through greasy dirt and carbide that accumulate in time with the gas holder, thereby can avoid jar interior carbon deposit burning, ensure people's life and property safety, prolong the life of gas holder.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a thermal power plant uses compressed air gas holder, includes jar body (1), movable plate (16) and balancing piece (13), its characterized in that: the tank is characterized in that a connecting pipe (3) is welded in the middle of the top end of the tank body (1), one end of the connecting pipe (3) is fixedly connected with a sealing cover (4) through a flange and a bolt, the positions of two sides of the inner wall of the connecting pipe (3) close to the bottom end are respectively fixedly connected with a supporting block (20) through a bolt, two sides of the inner wall of the connecting pipe (3) are respectively connected with a movable plate (16) and a balance block (13) through a sliding block in a sliding manner, through holes (14) are respectively formed in the positions of two sides of the inner wall of the connecting pipe (3) close to the top end, a spring (15) is welded in the middle of the upper surface of the movable plate (16), the other end of the spring (15) is welded with the balance block (13), a pressure gauge (2) is fixedly connected with one side of the tank body (1, the welding of the jar body (1) of outlet duct (6) one side has manhole (7), manhole (7) are through flange and bolt fixedly connected with end cover (8), jar body (1) opposite side is close to bottom department and is passed through bolt fixedly connected with intake pipe (9), it has blow off pipe (11) to peg graft in jar body (1) bottom, just blow off pipe (11) with jar body (1) is through bolt fixedly connected, blow off pipe (11) one end threaded connection has sealing plug (12).

2. The compressed air storage tank for the thermal power plant according to claim 1, wherein: jar body (1) inner wall middle part both sides all are through bolt fixedly connected with silk screen demister (17), two bolt fixedly connected with stationary box (18) is passed through to silk screen demister (17) one end, just the opening has been seted up on stationary box (18) top, stationary box (18) both sides all are through bolt fixedly connected with drainage plate (19), just drainage plate (19) with stationary box (18) communicate with each other, stationary box (18) one end with blow off pipe (11) communicate with each other.

3. The compressed air storage tank for the thermal power plant according to claim 1, wherein: jar body (1) lower surface four corners edge all is through bolt fixedly connected with landing leg (10), rubber pad has been pasted to landing leg (10) one end.

4. The compressed air storage tank for the thermal power plant according to claim 2, wherein: the drainage plate (19) and the horizontal direction form a thirty-degree included angle, and the silk screen demister (17) and the horizontal direction form a seventy-degree included angle.

5. The compressed air storage tank for the thermal power plant according to claim 1, wherein: intake pipe (9) and outlet duct (6) one side all are through bolt fixedly connected with control valve, balancing piece (13) are cylindrical structure, just balancing piece (13) diameter size with connecting pipe (3) inner wall diameter size equals, rubber pad has been pasted to balancing piece (13) periphery.

6. The compressed air storage tank for the thermal power plant according to claim 1, wherein: the manhole (7) is of a circular structure, the diameter of the manhole (7) is 80-100CM, and the supporting block (20) is used as a limiting device of the moving plate (16).