Desulfurizing tower sampling device for thermal power plant

Abstract

The utility model belongs to the technical field of sampling, and particularly relates to a desulfurizing tower sampling device for a thermal power plant, which comprises a mounting seat, a fixed pipe is arranged on the mounting seat, and one end of the fixed pipe is communicated with a desulfurizing tower; a first through hole, a second through hole and a third through hole are formed in the mounting seat in a penetrating manner, the second through hole is communicated with the fixing pipe, and the third through hole is communicated with external air; a vacuumizing assembly is arranged at the top of the mounting base, a movable opening is formed in the bottom of the mounting base, and a rotating assembly is arranged in the movable opening; the vacuumizing assembly comprises a vacuum pump, the input end of the vacuum pump is provided with a connecting pipe, and the connecting pipe communicates with the first through hole; the rotating assembly comprises a rotating motor and a movable disc, the movable disc is arranged in a movable opening in the bottom of the mounting base, the rotating motor is arranged on the upper surface of the mounting base, and the driving end of the rotating motor is connected with the movable disc through a rotating shaft; according to the utility model, the slurry in the desulfurizing tower can be sampled in time, so that the condition in the desulfurizing tower can be timely and accurately known by a worker.

Description

TECHNICAL FIELD

[0001] The utility model belongs to sampling technical field, concretely relates to a desulfurizing tower sampling device for thermal power plant. BACKGROUND

[0002] The desulfurizing tower is a tower type equipment, which is used for desulfurization treatment of industrial waste gas, and its function is to reduce the pollution to the environment by absorbing and decomposing sulfides in flue gas; at present, most of the thermal power stations rely on the desulfurizing tower to meet the environmental pollutant emission requirements, and in the daily use process, in order to ensure the normal operation of the desulfurizing tower, the slurry density and pH value in the desulfurizing tower need to be detected, so the sampling device needs to be used.

[0003] In the operation process of the existing desulfurizing tower, since the pressure in the tower is negative pressure 2kpa, the desulfurizing tower needs to be stopped when the sampling device is used, and the slurry in the tower can be taken out by the sampling device only after the internal pressure of the desulfurizing tower is balanced with the external pressure, which not only reduces the work efficiency, but also causes the sampling to be not timely, so that the staff cannot timely and accurately understand the condition in the desulfurizing tower. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a desulfurizing tower sampling device for thermal power plant, which can timely sample the slurry in the desulfurizing tower and ensure that the staff can timely and accurately understand the condition in the desulfurizing tower.

[0005] The technical scheme of the utility model is as follows: a desulfurizing tower sampling device for thermal power plant is arranged on the desulfurizing tower, which comprises a mounting seat, a fixed block is arranged on one side of the mounting seat, the mounting seat is arranged on the outer wall of the desulfurizing tower through the fixed block, a fixed pipe is arranged on the mounting seat, and one end of the fixed pipe is communicated with the desulfurizing tower; first, second and third through holes are arranged on the mounting seat in a penetrating mode, the first, second and third through holes are evenly distributed on the mounting seat, the second through hole is communicated with the fixed pipe, and the third through hole is communicated with the external air; a vacuumizing assembly is arranged on the top of the mounting seat, a movable opening is arranged on the bottom of the mounting seat, and a rotating assembly is arranged in the movable opening.

[0006] The vacuumizing assembly comprises a vacuum pump, the vacuum pump is arranged on the upper surface of the mounting seat, a connecting pipe is arranged on the input end of the vacuum pump, and the connecting pipe is communicated with the first through hole.

[0007] The rotating assembly comprises a rotating motor and a movable disc, the movable disc is arranged in a movable opening in the bottom of the mounting seat, a sealing gasket is arranged between the movable disc and the inner wall of the mounting seat, the rotating motor is arranged on the upper surface of the mounting seat, the driving end of the rotating motor is connected with a rotating shaft, one end of the rotating shaft is connected with the movable disc, a plurality of mounting grooves are uniformly arranged on the lower surface of the movable disc, the plurality of mounting grooves are distributed in the circumferential direction of the movable disc, a hollow connecting head is arranged in each mounting groove, the end portion of each connecting head extends to the upper surface of the movable disc, the plurality of connecting heads are in communication with the first through hole, the second through hole and the third through hole respectively, and a sampling bottle is connected with the end portion of each connecting head.

[0008] Further, the end of the fixed pipe connected with the desulfurizing tower is provided with an electromagnetic valve.

[0009] Further, a rotating ring groove is arranged on the mounting seat and is in communication with the movable opening, a supporting ring is arranged on the outer diameter of the movable disc in the circumferential direction, and the supporting ring is arranged in the inner portion of the rotating ring groove.

[0010] Further, an external thread is arranged on the side wall of one end of the connecting head, an internal thread is arranged on the opening of the sampling bottle, the sampling bottle is threadedly connected with the connecting head, and the opening of the sampling bottle is arranged in the inner portion of the mounting groove.

[0011] The sampling bottle is subjected to vacuumizing treatment by the vacuum pump, the vacuum pump is arranged to perform vacuumizing treatment on the sampling bottle below the connecting head through the connecting pipe, the first through hole and the connecting head in communication with the first through hole, the sampling bottle subjected to vacuumizing treatment is rotated to the lower portion of the second through hole by the rotating motor driving the movable disc, the electromagnetic valve is opened, and the slurry in the desulfurizing tower flows into the sampling bottle through the fixed pipe, the second through hole and the connecting head under the action of pressure, the sampling bottle containing the slurry is moved from the lower portion of the second through hole to the lower portion of the third through hole by the rotating motor driving the movable disc, at this time, the sampling bottle containing the slurry is in communication with the external air through the connecting head and the third through hole, the air enters the inner portion of the sampling bottle through the third through hole and the connecting head, and the sampling bottle containing the slurry is conveniently screwed off from the end portion of the connecting head, the slurry in the desulfurizing tower is taken by the staff without stopping the desulfurizing tower, the staff can timely and accurately understand the condition in the desulfurizing tower, and the working efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0013] Figure 1 It is the whole structure schematic view of the utility model;

[0014] Figure 2 It is the cutaway schematic view of the utility model;

[0015] Figure 3 It is the cutaway schematic view of the utility model working state;

[0016] Figure 4 It is Figure 3 The partial view of A in the middle. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0018] In the description of the utility model, it needs to be explained that the terms "upper", "lower", "one side", "one end", "inner", "outer" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model; the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance, and in addition, unless otherwise explicitly specified and limited, the terms "mounting", "setting", "connection" should be understood broadly, for example, can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium, or can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0019] The existing desulfurization tower sampling device needs to stop the desulfurization tower when in use, and can be used only after the internal and external air pressure of the desulfurization tower is balanced, which not only leads to reduced work efficiency, but also causes the staff to be unable to timely and accurately understand the condition in the desulfurization tower. In view of this, the present application provides a desulfurization tower sampling device for thermal power plants, which can timely sample the slurry in the desulfurization tower, and ensure that the staff can timely and accurately understand the condition in the desulfurization tower.

[0020] As Figures 1-4As shown, a desulfurization tower sampling device for a thermal power plant is provided on the desulfurization tower 1, including a mounting base 2, a fixed block 3 is provided on one side of the mounting base 2, the mounting base 2 is provided on the outer wall of the desulfurization tower 1 through the fixed block 3, and a fixed pipe 4 is provided on the mounting base 2, one end of the fixed pipe 4 is connected with the desulfurization tower 1; a first through hole 21, a second through hole 22 and a third through hole 23 are penetrated by the mounting base 2, the first through hole 21, the second through hole 22 and the third through hole 23 are evenly distributed on the mounting base 2, the second through hole 22 is connected with the fixed pipe 4, and the third through hole 23 is connected with the external air; a vacuum assembly 5 is provided on the top of the mounting base 2, and a movable port is provided at the bottom of the mounting base 2, and a rotating assembly 6 is provided in the movable port.

[0021] Among them, such as Figure 3 As shown, a solenoid valve 41 is provided at one end of the fixed pipe 4 connected to the desulfurization tower 1 .

[0022] Based on the above embodiment, the mounting base 2 is fixed to the outer wall of the desulfurization tower 1 through the fixing block 3, and the fixing pipe 4 is connected to the desulfurization tower 1 to ensure that the slurry in the desulfurization tower 1 can flow out through the fixing pipe 4. At the same time, the opening and closing of the fixing pipe 4 is controlled by the opening and closing of the solenoid valve 8.

[0023] In this embodiment, if Figure 1 、 Figure 2 As shown, the vacuum pump assembly 5 includes a vacuum pump 51 , which is disposed on the upper surface of the mounting base 2 . A connecting pipe 52 is disposed at the input end of the vacuum pump 51 , and the connecting pipe 52 is communicated with the first through hole 21 .

[0024] Among them, such as Figure 3 、 Figure 4 As shown, the rotating assembly 6 includes a rotating motor 61 and a movable disk 62. The movable disk 62 is arranged in the movable opening at the bottom of the mounting seat 2, and a sealing gasket 63 is provided between the movable disk 62 and the inner wall of the mounting seat 2. The rotating motor 61 is arranged on the upper surface of the mounting seat 2, and the driving end of the rotating motor 61 is connected to a rotating shaft 64. One end of the rotating shaft 64 is connected to the movable disk 62. A plurality of mounting grooves 65 are evenly opened on the lower surface of the movable disk 62. The plurality of mounting grooves 65 are circumferentially distributed on the movable disk 62. A hollow connector 66 is provided inside each mounting groove 65. The ends of the plurality of connectors 66 extend to the upper surface of the movable disk. The plurality of connectors 66 are respectively connected to the first through hole 21, the second through hole 22, and the third through hole 23. The end of each connector 66 is connected to a sampling bottle 7.

[0025] Based on the above embodiment, the sealing gasket 63 ensures the sealing between the movable disc 62 and the mounting base 2, the rotating motor 61 is started, the rotating motor 61 drives the rotating shaft 64 to rotate, the rotating shaft 64 drives the movable disc 62 to rotate, a plurality of mounting grooves 65 are distributed circumferentially on the bottom of the movable disc 62, and a plurality of connecting heads 66 are also distributed circumferentially on the movable disc 62, since the plurality of connecting heads 66 are respectively communicated with the first through hole 21, the second through hole 22 and the third through hole 23, the first through hole 21, the second through hole 22 and the third through hole 23 are uniformly arranged on the mounting base 2, when the rotating motor 61 drives the movable disc 62 to rotate, the connecting head 66 communicated with the first through hole 21 can be rotated to the lower end of the second through hole 22, the connecting head 66 communicated with the second through hole 22 can be rotated to the lower end of the third through hole 23, and the connecting head 66 communicated with the third through hole 23 can be rotated to the lower end of the first through hole 21.

[0026] In the embodiment, as shown in Figure 3 , the mounting base 2 is provided with a rotating ring groove, the rotating ring groove is communicated with the movable opening, the movable disc 62 is provided with a supporting ring 67 on the outer diameter, and the supporting ring 67 is arranged in the rotating ring groove.

[0027] In the embodiment, as shown in Figure 4 , one end of the connecting head 66 is provided with an external thread, the opening of the sampling bottle 7 is provided with an internal thread, the sampling bottle 7 is threadedly connected with the connecting head 66, and the opening of the sampling bottle 7 is arranged in the mounting groove 65.

[0028] Based on the above embodiment, the rotating ring groove and the supporting ring 61 ensure the stability of the rotation of the movable disc 62.

[0029] The working principle of the utility model is as follows: when the staff needs to take sample, start the vacuum pump 51, the vacuum pump 51 carries out vacuumizing treatment to the sampling bottle 7 below the connecting head 66 through the connecting pipe 52, the first through hole 21 and the connecting head 66 communicated with the first through hole 21, close the vacuum pump 51, at this time the negative pressure value in the sampling bottle 7 below the first through hole 21 is greater than the negative pressure value in the desulfurization tower; start the rotating motor 61, the rotating motor 61 drives the movable disc 62 to rotate through the rotating shaft 64, the mounting groove 65 set up in the bottom of the movable disc 62 and the connecting head 66 inside the mounting groove 65 rotate with the movable disc 62, until the sampling bottle 7 after vacuumizing treatment is rotated to the below of the second through hole 22, close the rotating motor 61, at this time the sampling bottle 7 after vacuumizing treatment is communicated with the fixed pipe 4 through the connecting head 66, the second through hole 22; open the electromagnetic valve 41, the slurry in the desulfurization tower 1 flows into the sampling bottle 7 through the fixed pipe 4, the second through hole 22 and the connecting head 66 under the action of pressure, close the electromagnetic valve 41; start the rotating motor 61, the rotating motor 61 drives the movable disc 62 to rotate through the rotating shaft 64, until the sampling bottle 7 containing slurry is moved from the below of the second through hole 22 to the below of the third through hole 23, close the rotating motor 61, at this time the sampling bottle 7 containing slurry is communicated with the third through hole 23 through the connecting head 66, because the third through hole 23 is communicated with the outside air, the air enters the inside of the sampling bottle 7 through the third through hole 23 and the connecting head 66, the staff can screw off the sampling bottle 7 containing slurry from the end of the connecting head 66; the staff can take the slurry in the desulfurization tower without stopping the desulfurization tower, ensure that the staff can know the condition in the desulfurization tower in time and accurately, and improve the work efficiency.

[0030] Finally, it should be noted that: the above only for the preferred embodiments of the utility model have described, and do not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A desulfurization tower sampling device for a thermal power plant, arranged on a desulfurization tower, characterized in that: The sampling device includes a mounting base, a fixing block is provided on one side of the mounting base, and the mounting base is arranged on the outer wall of the desulfurization tower through the fixing block. The mounting base is provided with a fixing pipe, and one end of the fixing pipe is connected to the desulfurization tower; a first through hole, a second through hole and a third through hole are penetrated by the mounting base, and the first through hole, the second through hole and the third through hole are evenly distributed on the mounting base, the second through hole is connected to the fixing pipe, and the third through hole is connected to the external air; a vacuum assembly is provided on the top of the mounting base, and a movable port is provided at the bottom of the mounting base, and a rotating assembly is provided in the movable port; The vacuum pump assembly includes a vacuum pump, which is arranged on the upper surface of the mounting base. The input end of the vacuum pump is provided with a connecting pipe, which is connected to the first through hole. The rotating assembly includes a rotating motor and a movable disk. The movable disk is arranged in a movable opening at the bottom of the mounting seat, and a sealing gasket is provided between the movable disk and the inner wall of the mounting seat. The rotating motor is arranged on the upper surface of the mounting seat, and the driving end of the rotating motor is connected to a rotating shaft. One end of the rotating shaft is connected to the movable disk. A plurality of mounting grooves are evenly opened on the lower surface of the movable disk. The plurality of mounting grooves are circumferentially distributed on the movable disk. A hollow connector is provided inside each mounting groove. The ends of the plurality of connectors extend to the upper surface of the movable disk. The plurality of connectors are respectively connected to the first through hole, the second through hole, and the third through hole. The end of each connector is connected to a sampling bottle.

2. A desulfurization tower sampling device for a thermal power plant according to claim 1, characterized in that: An electromagnetic valve is provided at one end of the fixed pipe connected to the desulfurization tower.

3. A desulfurization tower sampling device for a thermal power plant according to claim 2, characterized in that: A rotating ring groove is provided on the mounting seat, and the rotating ring groove is communicated with the movable opening. A supporting ring is circumferentially provided on the outer diameter of the movable disk, and the supporting ring is arranged inside the rotating ring groove.

4. A desulfurization tower sampling device for a thermal power plant according to claim 3, characterized in that: An external thread is provided on the side wall of one end of the connector, and an internal thread is provided at the opening of the sampling bottle. The sampling bottle is threadedly connected to the connector, and the opening of the sampling bottle is arranged inside the mounting groove.

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