CN211599681U

CN211599681U - Power plant desulfurization sampling bimodulus ceramic valve

Info

Publication number: CN211599681U
Application number: CN201922336827.0U
Authority: CN
Inventors: 郭磊; 柴煜
Original assignee: Inner Mongolia Linde Technology Co ltd
Current assignee: Inner Mongolia Linde Technology Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-09-29
Anticipated expiration: 2029-12-24

Abstract

The utility model discloses a power plant desulfurization sampling dual-mode ceramic valve, which comprises a valve body, a flange surface, a ball valve, a ceramic inner tube, a connecting rod, a turntable, a motor, a first gear, a second gear, a transmission case, a sampling tube, a sampling bottle and a switch; a ceramic inner pipe is arranged in the valve body and serves as an inner layer; a ball valve is arranged in the ceramic pipe, and the top of the ball valve is connected with one end of the connecting rod; the connecting rod penetrates out of the ceramic inner tube and the top of the valve body, and the other end of the connecting rod is fixed with the turntable; a first gear is fixed on the rod body of the connecting rod; the connecting rod and the first gear are arranged in the transmission box body; a second gear is also arranged in the transmission case; the second gear is connected with a motor below the second gear; the lead of the motor is connected with the switch in series; the bottom of the valve body is provided with a sampling tube; and one end of the sampling tube is matched and fixed with the mouth thread of the sampling bottle.

Description

Power plant desulfurization sampling bimodulus ceramic valve

Technical Field

The utility model relates to the technical field of valves, concretely relates to desulfurization sample bimodulus ceramic valve of power plant.

Background

Through the analysis and research on the domestic and foreign desulfurization technology and the condition of introducing a desulfurization process pilot plant in the domestic power industry, the conventional desulfurization method can be generally divided into 3 types of desulfurization before combustion, desulfurization during combustion, desulfurization after combustion and the like; in the FGD technology, the desulfurization after combustion, also called flue gas desulfurization, is divided into the following five methods according to the type of the desulfurizing agent: with CaCO₃(limestone) -based calcium process, MgO-based magnesium process, Na₂SO₃Sodium process based on NH₃The basic ammonia process, the organic base process based on organic base. The calcium method is a commercialized technology commonly used in the world for desulfurization, and accounts for more than 90 percent.

The desulfurization valve is a valve specially used for desulfurization and has the characteristic of corrosion resistance; the existing valves are divided into three types, namely an electric type valve, a manual type valve and a pneumatic type valve, wherein the three types of valves respectively have various advantages and disadvantages, the manual valve needs to be manually opened and closed by a person, is relatively labor-consuming and cannot be connected with automation equipment for control, the manual valve needs to be operated by manpower, the electric valve needs to be powered on for opening and closing, and the valve cannot be controlled if accidents such as power failure occur; the pneumatic valve can be connected to automatic control equipment and is not required to be opened and closed manually, but the equipment has relatively high use condition and needs the cooperation of an air passage and an electromagnetic valve; how to make the valve have stronger adaptability, it is the existing problem to use more places; the sulfide generating environment and pipeline sampling for conveying sulfide are difficult, and how to rapidly sample sulfide at a valve is also a considered problem.

Disclosure of Invention

According to prior art's not enough, the utility model provides a desulfurization sample bimodulus ceramic valve of power plant, the device make the desulfurization valve adaptability stronger through having set up two kinds of opening modes at the valve, and not only the accessible is electronic to carry out on-off control valve, also can open through manual under emergency, has set up the independent passage in the bottom of valve, conveniently carries out the sample of inside sulphide, can not cause the sulphide yet to leak.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a power plant desulfurization sampling dual-mode ceramic valve comprises a valve body, a flange surface, a ball valve, a ceramic inner tube, a connecting rod, a rotary table, a motor, a first gear, a second gear, a transmission case, a sampling tube, a sampling bottle and a switch; the valve body is of a T-shaped tubular structure, and flange surfaces are arranged at two ends of the valve body; the valve is characterized in that a ceramic inner tube is arranged in the valve body and serves as an inner layer; a ball valve is arranged in the ceramic pipe, and the top of the ball valve is connected with one end of the connecting rod; the connecting rod penetrates out of the ceramic inner tube and the top of the valve body, and the other end of the connecting rod is fixed with the turntable; a first gear is fixed on the rod body of the connecting rod; the upper part of the valve body is provided with a transmission box, and the connecting rod and the first gear are arranged in the transmission box; a second gear is also arranged in the transmission case; the second gear is connected with a motor below the second gear; the first gear and the second gear are in matched transmission in the same plane; the lead of the motor is connected with the switch in series; a sampling tube is arranged at the bottom of the valve body, and one end of the sampling tube penetrates through the valve body to be communicated with the inside of the ceramic inner tube; the end head of the other end of the sampling tube is provided with a thread, and one end of the thread of the sampling tube is matched and fixed with the thread of the mouth of the sampling bottle; and valves are arranged at the tube body of the sampling tube and the bottleneck of the sampling bottle.

Preferably, the valve arranged at the pipe body of the sampling pipe and the bottleneck of the sampling bottle is a butterfly valve.

Preferably, the motor type uses a stepping motor with an encoder.

Preferably, the sampling bottle is made of transparent material.

Preferably, the side surface of the transmission case is provided with a line hole.

Preferably, a bearing is arranged at the joint of the connecting rod and the transmission case.

The utility model discloses beneficial effect has following several:

1. the device makes the desulfurization valve adaptability stronger through having set up two kinds of opening modes at the valve, both can manually open, also electric control.

2. The device bottom is equipped with the sample structure, conveniently takes a sample to inside sulphide.

3. The valve body is internally provided with a corrosion-resistant ceramic inner layer structure, so that the service life of the valve body is longer.

Drawings

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

Fig. 2 is a schematic diagram of the internal structure of the transmission case of the present invention.

Fig. 3 is a schematic overall sectional structural view of the present invention.

Fig. 4 is a schematic structural view of the ball valve of the present invention.

Fig. 5 is an overall installation effect diagram of the present invention.

In the figure, a valve body 1, a flange face 2, a ball valve 3, a ceramic inner pipe 4, a connecting rod 5, a rotary table 6, a motor 7, a first gear 8, a second gear 9, a transmission case 10, a sampling pipe 11, a sampling bottle 12, a switch 13 and a pipeline 14.

Detailed Description

In order to better show the content of the present invention, the present invention will be further described in detail with reference to the accompanying drawings.

As shown in the figure, the power plant desulfurization sampling dual-mode ceramic valve comprises a valve body 1, a flange surface 2, a ball valve 3, a ceramic inner tube 4, a connecting rod 5, a rotary table 6, a motor 7, a first gear 8, a second gear, a transmission case 10, a sampling tube 11, a sampling bottle 12 and a switch 13; the valve body 1 is of a T-shaped tubular structure, the two ends of the valve body are provided with flange surfaces 2, and the flange surfaces 2 at the two ends are fixed with the flange surfaces 2 of the pipeline 14 through bolts; the ceramic inner tube 4 is arranged in the valve body 1 and serves as an inner layer, the ceramic inner tube 4 has high corrosion resistance, and the service life of the valve is prolonged; a ball valve 3 is arranged in the ceramic pipe, and the top of the ball valve 3 is connected with one end of a connecting rod 5; the connecting rod 5 penetrates out of the ceramic inner tube 4 and the top of the valve body 1, and the other end of the connecting rod 5 is fixed with the rotary table 6; a bearing is arranged at the joint of the connecting rod 5 and the transmission case 10, so that the friction resistance caused by the rotation of the connecting rod 5 is reduced, and the ball valve 3 in the ceramic inner tube 4 can be controlled to be switched on and off 13 through the turntable 6; a first gear 8 is fixed on the body of the connecting rod 5; the upper part of the valve body 1 is provided with a transmission case 10, the transmission case 10 plays a role in protecting the gear and the motor 7, and the connecting rod 5 and the first gear 8 are arranged in the transmission case 10; a second gear is also arranged in the transmission case 10; the second gear is connected with a motor 7 below, the type of the motor 7 adopts a stepping motor 7 with an encoder, and the motor 7 can realize the rotation of a certain angle and is more suitable for the opening and closing matching with a valve; the first gear 8 and the second gear are in fit transmission in the same plane; the wire of the motor 7 is connected with the switch 13 in series, and the switch 13 can control the opening and closing of the whole circuit in the series circuit to control the working state of the motor 7; a sampling tube 11 is arranged at the bottom of the valve body 1, and one end of the sampling tube 11 penetrates through the valve body 1 and is communicated with the inside of the ceramic inner tube 4; the end head of the other end of the sampling tube 11 is provided with a thread, and one end of the thread of the sampling tube 11 is matched and fixed with the thread of the mouth of the sampling bottle 12; valves are arranged at the bottle necks of the sampling tube 11 and the sampling bottle 12, and sulfide smoke in the valve body 1 can enter the bottle body to be collected after the valves of the sampling tube 11 and the sampling bottle 12 are opened; the valve arranged at the pipe body of the sampling pipe 11 and the bottleneck of the sampling bottle 12 is a butterfly valve, and the sampling bottle 12 can be made of transparent materials in order to visually see whether sulfides enter the bottle; the above-mentioned fixing methods are all fixed by using the screw fastening or shaft key matching method which is commonly used by the technical means of those skilled in the art if not separately described.

As shown in the figure, the flange surface 2 of the valve body 1 is directly fixed with the flange surface 2 of the pipeline 14 through bolts, then the power line of the motor 7 is connected with a power supply, the valve can be opened and closed by pressing the switch 13 under the condition that the power supply can be connected, and the rotating disc 6 is directly rotated when the valve needs to be manually opened; the bottom of the valve body 1 is provided with a sampling bottle 12, the valves of the sampling tube 11 and the sampling bottle 12 are opened for about 30 seconds, and the valves at the two positions are closed to realize collection.

Claims

1. A power plant desulfurization sampling dual-mode ceramic valve comprises a valve body, a flange surface, a ball valve, a ceramic inner tube, a connecting rod, a rotary table, a motor, a first gear, a second gear, a transmission case, a sampling tube, a sampling bottle and a switch; the valve body is of a T-shaped tubular structure, and flange surfaces are arranged at two ends of the valve body; the valve is characterized in that a ceramic inner tube is arranged in the valve body and serves as an inner layer; a ball valve is arranged in the ceramic inner tube, and the top of the ball valve is connected with one end of a connecting rod; the connecting rod penetrates out of the ceramic inner tube and the top of the valve body, and the other end of the connecting rod is fixed with the turntable; a first gear is fixed on the rod body of the connecting rod; the upper part of the valve body is provided with a transmission box, and the connecting rod and the first gear are arranged in the transmission box; a second gear is also arranged in the transmission case; the second gear is connected with a motor below the second gear; the first gear and the second gear are in matched transmission in the same plane; the lead of the motor is connected with the switch in series; a sampling tube is arranged at the bottom of the valve body, and one end of the sampling tube penetrates through the valve body to be communicated with the inside of the ceramic inner tube; the end head of the other end of the sampling tube is provided with a thread, and one end of the thread of the sampling tube is matched and fixed with the thread of the mouth of the sampling bottle; and valves are arranged at the tube body of the sampling tube and the bottleneck of the sampling bottle.

2. The power plant desulfurization sampling dual-mode ceramic valve of claim 1, characterized in that: the valve that the bottleneck department of the pipe shaft of sampling tube and sampling bottle set up is the butterfly valve.

3. The power plant desulfurization sampling dual-mode ceramic valve of claim 1, characterized in that: the motor type uses a stepping motor with an encoder.

4. The power plant desulfurization sampling dual-mode ceramic valve of claim 1, characterized in that: the sampling bottle is made of transparent material.

5. The power plant desulfurization sampling dual-mode ceramic valve of claim 1, characterized in that: the side of transmission case is equipped with the line hole.

6. The power plant desulfurization sampling dual-mode ceramic valve of claim 1, characterized in that: and a bearing is arranged at the joint of the connecting rod and the transmission case.