CN215574034U

CN215574034U - Boiler water quality chemical examination quantitative sampling device

Info

Publication number: CN215574034U
Application number: CN202122125121.7U
Authority: CN
Inventors: 段青元; 李云; 吴军
Original assignee: Special Equipment Safety Supervision Inspection Institute of Jiangsu Province
Current assignee: Special Equipment Safety Supervision Inspection Institute of Jiangsu Province
Priority date: 2021-09-04
Filing date: 2021-09-04
Publication date: 2022-01-18
Anticipated expiration: 2031-09-04

Abstract

The utility model discloses a boiler water quality chemical examination quantitative sampling device, and relates to the technical field of water quality chemical examination. The liquid collection device comprises a liquid collection cylinder, a pressing plate, a guide roller, a limiting plate, a first limiting bolt, a support, a sleeve and a second limiting bolt, wherein the lower end of the liquid collection cylinder is fixedly connected with a liquid inlet pipe, the upper end of the liquid collection cylinder is fixedly connected with a fixing plate, and the upper surface of the fixing plate is fixedly connected with a support rod. According to the utility model, the sampling device is placed in the boiler, the stay cord is pulled to drive the pressing plate to rotate, so that the pressing plate loses the limitation on the movable plate, the reset spring provides elasticity for the movable plate, so that the piston head moves upwards to suck boiler water into the liquid collection cylinder until the movable plate is tightly attached to the limiting plate to finish sampling, a worker holds the sleeve to place the sampling device in the boiler, the worker does not need to pull the piston rod during sampling, the life safety of the worker is effectively guaranteed, and the practicability of the sampling device is increased.

Description

Boiler water quality chemical examination quantitative sampling device

Technical Field

The utility model belongs to the technical field of water quality testing, and particularly relates to a boiler water quality testing quantitative sampling device.

Background

The alkalinity of the water quality of the boiler is an important index for ensuring the safe operation of the boiler, the over-high alkalinity can cause the alkaline corrosion of a water wall pipe, and the boiler water can generate foam and even generate steam-water co-evaporation to influence the steam quality; when the alkalinity is lower, scaling of a boiler and corrosion to steel materials of the boiler are easily caused, so that quantitative sampling of water in the boiler is needed to detect the alkalinity, but various sampling devices on the market still have various problems.

Like the boiler water quality chemical examination quantitative sampling device that the bulletin number of authorizing is disclosed for CN 212780104U, it has realized quantitative sampling, need not that the personnel of taking a sample utilize the scale mark to observe and judge the sample volume, convenient operation, reduced the intensity of labour of the personnel of taking a sample, the sample volume error is little, sample advantage such as accurate, but do not solve present because the boiler inside temperature is high and the degree of depth leads to the problem that is difficult to the sample greatly, consequently the staff is difficult to operate when taking a sample, we provide a boiler water quality chemical examination quantitative sampling device for this reason.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a boiler water quality testing quantitative sampling device, which solves the problem that the existing sampling device is difficult to sample due to high internal temperature and large depth of a boiler.

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

the utility model relates to a boiler water quality chemical examination quantitative sampling device, which comprises a liquid collecting cylinder, a pressure plate, a guide roller, a limiting plate, a first limiting bolt, a support column, a sleeve and a second limiting bolt, wherein the lower end of the liquid collecting cylinder is fixedly connected with a liquid inlet pipe, the upper end of the liquid collecting cylinder is fixedly connected with a fixed plate, the upper surface of the fixed plate is fixedly connected with a support rod, a return spring is wound on the peripheral side surface of the support rod, the upper surface of the fixed plate is provided with a groove, the pressure plate is arranged in the groove, the pressure plate is rotatably connected with the fixed plate through a pin, one side surface of the pressure plate is fixedly connected with a pull rope, one side surface of the fixed plate is provided with a connecting plate, the upper surface of the connecting plate is provided with a rectangular groove, the guide roller is arranged in the rectangular groove, the guide roller is rotatably connected with the connecting plate, and the interior of the liquid collecting cylinder is provided with a piston head, the last fixed surface of piston head is connected with the piston rod, the upper end fixedly connected with movable plate of piston rod, the upper surface of movable plate is provided with the through-hole, branch runs through the through-hole, the upper surface of limiting plate is provided with the mounting hole, branch runs through the mounting hole, the relative both sides side of limiting plate is provided with the screw hole, first spacing bolt sets up at threaded hole inside, the upper surface of limiting plate is provided with the screw hole, the one end setting of pillar is at threaded hole inside, the other end setting of pillar is at intraductal, sheathed tube week side is provided with the screw hole, the spacing bolt setting of second is at threaded hole inside.

Furthermore, the circumference side of the supporting rod is provided with scale marks, and the position of the limiting plate is adjusted according to the scale marks so as to determine the sampling amount.

Furthermore, the position of the pressing plate is matched with the moving plate, so that the moving plate is limited by the pressing plate.

Further, the first limiting bolt is in threaded connection with the limiting plate, and the second limiting bolt is in threaded connection with the sleeve.

Further, the pillar is in threaded connection with the limiting plate, so that the pillar is convenient to mount and dismount.

Further, a side of the connecting plate is provided with a mounting groove, a part of the fixing plate is arranged in the mounting groove, and the connecting plate is fixedly connected with the fixing plate through a fixing bolt, so that the connecting plate is convenient to mount and dismount.

Furthermore, the reset spring is arranged between the moving plate and the fixed plate, so that the reset spring can provide elasticity for the moving plate to sample.

The utility model has the following beneficial effects:

according to the utility model, the position of the limiting plate on the circumferential side surface of the support rod is adjusted, so that the amount of a sample to be sampled is determined, the limiting plate is limited by the first limiting bolt, then the piston head is enabled to reach the lowest end by pushing the movable plate, the movable plate is limited by the pressing plate by rotating the pressing plate, finally, the sampling device is placed in the boiler, the pressing plate is driven to rotate by pulling the pull rope, so that the limitation on the movable plate is lost by the pressing plate, the reset spring provides elasticity for the movable plate, so that the piston head moves upwards to suck boiler water into the liquid collection cylinder until the movable plate is tightly attached to the limiting plate to finish sampling, a worker holds the sleeve to place the sampling device into the boiler, and the worker does not need to pull the piston rod during sampling, so that the life safety of the worker is effectively guaranteed, and the practicability of the sampling device is increased.

Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.

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 schematic structural diagram of a quantitative sampling device for water quality testing of a boiler;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a top view of a boiler water quality testing and quantitative sampling device;

FIG. 4 is a schematic view of the cross-sectional structure A-A of FIG. 3;

fig. 5 is a partially enlarged view of a portion B in fig. 4.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a liquid collection cylinder; 2. a liquid inlet pipe; 3. a piston head; 4. a piston rod; 5. moving the plate; 6. a fixing plate; 7. a strut; 8. scale lines; 9. pressing a plate; 10. a connecting plate; 11. a guide roller; 12. pulling a rope; 13. a limiting plate; 14. a first limit bolt; 15. a pillar; 16. a sleeve; 17. a second limit bolt; 18. a return spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", and the like, indicate orientations or positional relationships, are used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-5, the utility model is a boiler water quality testing quantitative sampling device, comprising a liquid collecting cylinder 1, a pressure plate 9, a guide roller 11, a limit plate 13, a first limit bolt 14, a pillar 15, a sleeve 16 and a second limit bolt 17, wherein the lower end of the liquid collecting cylinder 1 is fixedly connected with a liquid inlet pipe 2, the upper end of the liquid collecting cylinder 1 is fixedly connected with a fixed plate 6, the upper surface of the fixed plate 6 is fixedly connected with a support rod 7, the peripheral surface of the support rod 7 is surrounded by a return spring 18, the upper surface of the fixed plate 6 is provided with a groove, the pressure plate 9 is arranged in the groove, the pressure plate 9 is rotatably connected with the fixed plate 6 through a pin, one side surface of the pressure plate 9 is fixedly connected with a pull rope 12, one side surface of the fixed plate 6 is provided with a connecting plate 10, the upper surface of the connecting plate 10 is provided with a rectangular groove, the guide roller 11 is arranged in the rectangular groove, and the guide roller 11 is rotatably connected with the connecting plate 10, the piston head 3 is arranged inside the liquid collecting barrel 1, the piston head 3 is fixedly connected with the piston rod 4 on the upper surface, the movable plate 5 is fixedly connected with the upper end of the piston rod 4, a through hole is formed in the upper surface of the movable plate 5, the supporting rod 7 penetrates through the through hole, the mounting hole is formed in the upper surface of the limiting plate 13, the supporting rod 7 penetrates through the mounting hole, threaded holes are formed in the side faces of the two opposite sides of the limiting plate 13, the first limiting bolt 14 is arranged inside the threaded hole, the upper surface of the limiting plate 13 is provided with a threaded hole, one end of the supporting column 15 is arranged inside the threaded hole, the other end of the supporting column 15 is arranged inside the sleeve 16, threaded holes are formed in the side faces of the sleeve 16, and the second limiting bolt 17 is arranged inside the threaded holes.

The circumference side of the supporting rod 7 is provided with scale marks 8, and the position of the limiting plate 13 is adjusted according to the scale marks 8 so as to determine the sampling amount.

The position of the pressing plate 9 is matched with that of the moving plate 5, so that the moving plate 5 is limited by the pressing plate 9.

The first limit bolt 14 is in threaded connection with the limit plate 13, and the second limit bolt 17 is in threaded connection with the sleeve 16.

The support post 15 is in threaded connection with the limiting plate 13, and the support post 15 is convenient to mount and dismount.

A side of the connecting plate 10 is provided with a mounting groove, a part of the fixing plate 6 is arranged in the mounting groove, and the connecting plate 10 is fixedly connected with the fixing plate 6 through a fixing bolt, so that the connecting plate 10 is convenient to mount and dismount.

The return spring 18 is disposed between the moving plate 5 and the fixed plate 6, so that the return spring 18 provides elasticity to the moving plate 5 for sampling.

It should be noted that, in the use process, the quantity to be sampled is determined by adjusting the position of the limit plate 13 on the circumferential side surface of the support rod 7, the limit plate 13 is limited by the first limit bolt 14, then the piston head 3 is driven to the lowest end by pushing the movable plate 5, the movable plate 5 is limited by the pressing plate 9 by rotating the pressing plate 9, finally the sampling device is placed in the boiler, the pull rope 12 is pulled to drive the pressing plate 9 to rotate, so that the limit of the movable plate 5 is lost by the pressing plate 9, the reset spring 18 provides elasticity for the movable plate 5, so that the piston head 3 moves upwards to suck boiler water into the liquid collecting cylinder 1 until the movable plate 5 is tightly attached to the limit plate 13 to finish sampling, a worker holds the sleeve 16 to place the sampling device into the boiler, the worker does not need to pull the piston rod 4 during sampling, and the life safety of the worker is effectively guaranteed, increasing the practicality of the sampling device.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a boiler water quality chemical examination ration sampling device, includes a liquid collecting cylinder (1), clamp plate (9), guide roll (11), limiting plate (13), first limit bolt (14), pillar (15), sleeve pipe (16) and second limit bolt (17), its characterized in that: the lower end of the liquid collecting cylinder (1) is fixedly connected with a liquid inlet pipe (2), the upper end of the liquid collecting cylinder (1) is fixedly connected with a fixing plate (6), the upper surface of the fixing plate (6) is fixedly connected with a supporting rod (7), the peripheral side surface of the supporting rod (7) is surrounded by a reset spring (18), the upper surface of the fixing plate (6) is provided with a groove, a pressing plate (9) is arranged inside the groove, the pressing plate (9) is rotatably connected with the fixing plate (6) through a pin, a pulling rope (12) is fixedly connected with one side surface of the pressing plate (9), a connecting plate (10) is arranged on one side surface of the fixing plate (6), a rectangular groove is arranged on the upper surface of the connecting plate (10), a guide roller (11) is arranged inside the rectangular groove, the guide roller (11) is rotatably connected with the connecting plate (10), and a piston head (3) is arranged inside the liquid collecting cylinder (1), the last fixed surface of piston head (3) is connected with piston rod (4), the upper end fixedly connected with movable plate (5) of piston rod (4), the upper surface of movable plate (5) is provided with the through-hole, branch (7) run through the through-hole, the upper surface of limiting plate (13) is provided with the mounting hole, branch (7) run through the mounting hole, the relative both sides side of limiting plate (13) is provided with the screw hole, first stop bolt (14) set up at threaded hole inside, the upper surface of limiting plate (13) is provided with the screw hole, the one end setting of pillar (15) is inside threaded hole, the other end setting of pillar (15) is inside sleeve pipe (16), the week side of sleeve pipe (16) is provided with the screw hole, second stop bolt (17) set up at threaded hole inside.

2. The boiler water quality testing and quantitative sampling device according to claim 1, wherein the circumferential side surface of the support rod (7) is provided with scale marks (8).

3. A boiler water quality testing and quantitative sampling device according to claim 1, characterized in that the position of the pressure plate (9) is adapted to the moving plate (5).

4. The boiler water quality testing quantitative sampling device according to claim 1, wherein the first limit bolt (14) is in threaded connection with the limit plate (13), and the second limit bolt (17) is in threaded connection with the sleeve (16).

5. The boiler water quality testing and quantitative sampling device according to claim 1, wherein the support column (15) is in threaded connection with the limiting plate (13).

6. The boiler water quality testing and quantitative sampling device according to claim 1, wherein a mounting groove is formed in one side surface of the connecting plate (10), a part of the fixing plate (6) is arranged in the mounting groove, and the connecting plate (10) is fixedly connected with the fixing plate (6) through a fixing bolt.

7. A boiler water quality testing and quantitative sampling device according to claim 1, characterized in that the return spring (18) is arranged between the moving plate (5) and the fixed plate (6).