CN218496481U

CN218496481U - Power plant steam sampling equipment who facilitates use

Info

Publication number: CN218496481U
Application number: CN202221946870.4U
Authority: CN
Inventors: 高玉龙
Original assignee: Wangting Power Generation Branch Of Shanghai Huadian Power Development Co ltd
Current assignee: Wangting Power Generation Branch Of Shanghai Huadian Power Development Co ltd
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2023-02-17
Anticipated expiration: 2032-07-27

Abstract

The embodiment of the application provides a power plant water vapor sampling device convenient to use, which comprises a sampling box and a sampling mechanism arranged on the sampling box, wherein the sampling box can collect condensed water flowing out of a boiler water vapor system; can utilize first lifting unit drive sampling box oscilaltion in the sampling tube to draw out the comdenstion water from the sampling box, simple structure, convenient operation still is difficult for causing the potential safety hazard to operating personnel.

Description

Power plant steam sampling equipment who facilitates use

Technical Field

The utility model relates to a thermal power plant technical field, concretely relates to steam sampling equipment of power plant who facilitates use.

Background

Thermal power factory is when the operation, in order to supervise the steam quality of boiler, need follow the steam system in continuous take out the steam sample and detect, because directly draw the temperature higher, can draw the comdenstion water as the testing sample after the steam condensation again during the sample, however the temperature of comdenstion water is also not low yet to the cooling rate is slower, to the staff, current sampling device sample is inconvenient and have the potential safety hazard.

Therefore, there is a need to develop a steam sampling device for power plant, which is convenient to use, and is used for solving the above technical problems.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides a power plant's steam sampling equipment who facilitates use to it is inconvenient and have the technical problem of potential safety hazard to solve the sample.

The embodiment of the utility model provides a power plant's steam sampling equipment who facilitates use, include:

the sampling box is used for collecting condensed water flowing out of a boiler water vapor system;

a sampling mechanism mounted to the sampling tank and capable of extracting a condensed water sample from within the sampling tank;

the sampling mechanism comprises a sampling tube, a sampling box, a lifting rod and a first lifting assembly; the sampling tube is vertically arranged at the top of the sampling box, and the lower end of the sampling tube is inserted into the sampling box; the sampling box is arranged in the sampling pipe in a sliding manner; the upper end of the lifting rod is connected to the first lifting assembly, and the lower end of the lifting rod is inserted into the sampling tube and connected with the sampling box;

the lower end of the sampling tube is provided with a water inlet, the upper end of the sampling tube, which is positioned outside the sampling box, is provided with a water outlet, and the sampling box is provided with a sampling port; the first lifting assembly can drive the sampling box to lift in the sampling box through the lifting rod, and at least enables the sampling port to move to be respectively in butt joint with the water inlet and the water outlet.

Optionally, the number of the sampling mechanisms is multiple groups, and sampling depths of water inlets of the sampling mechanisms in each group are different.

Optionally, the first lifting assembly comprises a vertically arranged first lifting screw rod and a first lifting motor for driving the first lifting screw rod to operate, and the upper end of the lifting rod is fixedly connected with a screw rod nut of the first lifting screw rod.

Optionally, the thread density of the first lifting screw decreases with increasing sampling depth of the water inlet.

Optionally, a sealing plug adapted to the sampling tube is mounted at the bottom of the sampling box.

Optionally, a sealing cover is arranged at the top of the sampling box, a heat radiation fan is installed at the top of the sealing cover, a plurality of heat radiation fins are embedded in the sealing cover, and heat conducting fins which are in heat conduction with the heat radiation fins are fixed at the bottom of the sealing cover.

Optionally, the top of the sampling box is further provided with a second lifting assembly for driving the sealing cover to open and close in a lifting manner.

Optionally, the second lifting assembly includes a second lifting screw rod vertically arranged and a second lifting motor for driving the second lifting screw rod to operate, and the sealing cover is fixedly connected with a screw nut of the second lifting screw rod.

Optionally, the sampling box is provided with a water inlet pipe and a water outlet pipe, the water inlet pipe is communicated to a boiler water vapor system, and the water outlet pipe is communicated to a sampling water recovery system.

The embodiment of the utility model provides a following beneficial effect has:

1. set up sampling mechanism on the sampling box, sampling mechanism includes sampling tube, sampling box, lifting rod and first lifting unit, and the lower extreme of sampling tube is inserted and is established to the sampling box in, can utilize first lifting unit drive sampling box oscilaltion in the sampling tube to draw out the comdenstion water from the sampling box, simple structure, convenient operation is difficult for still causing the potential safety hazard to operating personnel.

2. Set up multiunit sampling mechanism, and the sampling depth that the water inlet of every group sampling mechanism was located is all inconsistent, consequently can draw the comdenstion water of the different degree of depth simultaneously and detect, has improved the degree of accuracy that detects.

3. Install cooling fan on the sealing cover of sampling case, the heat of comdenstion water can be conducted to the radiating fin on through the conducting strip of sealing cover bottom fast to carry out the forced air cooling under cooling fan's effect, thereby improve the cooling rate of comdenstion water, make things convenient for the sample.

4. The second lifting component is installed at the top of the sampling box, and the second lifting component can drive the sealing cover to lift and open and close, so that the heat conducting fins at the bottom of the sealing cover can be conveniently led out to be cleaned and maintained, and the cooling effect of the condensed water is further guaranteed.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of 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 it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a top view of an embodiment of the present invention;

FIG. 3 is a partial cross-sectional view taken at A in FIG. 1;

fig. 4 is a right side view of an embodiment of the present invention;

the figures in the drawings represent:

1. a sampling box; 2. a sampling tube; 3. a sampling box; 4. lifting a pull rod; 5. a water outlet; 6. a water inlet; 7. a sampling port; 8. a sealing plug; 9. a first lifting screw rod; 10. a first lift motor; 11. a sealing cover; 12. a heat radiation fan; 13. a heat dissipating fin; 14. a heat conductive sheet; 15. a second lifting screw rod; 16. a second lift motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 those skilled in the art without creative efforts belong to the protection scope of the present invention. Furthermore, it is to be understood that the description herein of specific embodiments is for purposes of illustration and explanation only and is not intended to limit the present disclosure. In the present invention, unless otherwise stated, the use of directional terms such as "upper" and "lower" generally means the upper and lower positions of the device in actual use or operation, specifically, the direction of the drawing in the drawings; while "inner" and "outer" are with respect to the outline of the device.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first," "second," etc. may explicitly or implicitly include one or more features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

As shown in fig. 1-4, an embodiment of the utility model provides a steam sampling device of power plant who facilitates use, including sampling case 1 and the sampling mechanism of installing on sampling case 1. Sampling box 1 is equipped with inlet tube and outlet pipe, and its inlet tube communicates to boiler steam system, makes sampling box 1 can collect the comdenstion water that flows by boiler steam system.

The sampling mechanism is used for extracting a condensed water sample from the sampling box 1. Specifically, the sampling mechanism comprises a sampling tube 2, a sampling box 3, a lifting rod 4 and a first lifting component. Wherein, the sampling tube 2 is vertically installed on the top of the sampling box 1 through connecting and fixing parts such as a supporting seat and the like. The upper end of the sampling tube 2 is positioned outside the sampling box 1 and is provided with a water outlet 5; the lower end of the sampling tube 2 is inserted into the sampling box 1 and is provided with a water inlet 6. The sampling box 3 is arranged in the sampling tube 2 in a sliding way, and a sampling port 7 is arranged on the sampling box 3. The length direction of the lifting rod 4 is consistent with that of the sampling tube 2, the upper end of the lifting rod 4 is connected to the first lifting assembly, and the lower end of the lifting rod 4 is inserted into the sampling tube 2 and connected with the sampling box 3. The lifting rod 4 can be driven by the first lifting component to ascend or descend along the sampling tube 2, so that the sampling box 3 is driven to move up and down in the sampling tube 2. When the sampling box 3 moves downwards to the lower end of the sampling tube 2, the sampling port 7 of the sampling box 3 can be in butt joint with the water inlet 6 of the sampling tube 2, so that condensed water in the sampling box 1 enters the sampling box 3; subsequently, when sampling box 3 upward movement to the upper end of sampling tube 2, sample connection 7 can dock with delivery port 5, and operating personnel accessible delivery port 5 draws the comdenstion water in the sampling box 3 and detects, simple structure, and convenient operation still is difficult for causing the potential safety hazard to operating personnel. In addition, a sealing plug 8 matched with the sampling tube 2 can be arranged at the bottom of the sampling box 3, and a switch plug is arranged at the water outlet 5, so that the hot steam in the sampling box 1 is prevented from escaping along the sampling tube 2.

Further, above-mentioned sampling mechanism can set up the multiunit to set up the water inlet 6 of every group sampling mechanism at the sample depth of difference, so alright detect with the comdenstion water that draws the different degree of depth simultaneously, improved the degree of accuracy that detects. Referring to fig. 4, in the present embodiment, four sets of sampling mechanisms are provided, the four sets of sampling mechanisms are arranged side by side, and the sampling depths of the four sampling tubes 2 are sequentially increased from left to right, which is convenient for recording.

As some optional embodiments, the first lifting assembly in this embodiment includes a first lifting screw 9 vertically set up and a first lifting motor 10 for driving the first lifting screw 9 to operate. The upper end of the lifting rod 4 is fixedly connected with a screw nut of the first lifting screw rod 9, and the first lifting motor 10 can be operated to drive the lifting rod 4 to lift by utilizing the first lifting screw rod 9. Of course, the first lifting assembly may also be a lifting cylinder, a linear motor, or other linear driving mechanism capable of driving the lifting rod 4 to lift up and down, which is not described herein in any more detail.

When the sampling mechanism is provided with a plurality of sets, the thread density of the first elevating screw 9 can be reduced as the sampling depth of the water inlet 6 is increased. For example, in the present embodiment, the sampling depth of the water inlet 6 is sequentially increased from left to right, and then the thread density of the four sets of first lifting screws 9 can be sequentially decreased from left to right, so that the four sampling boxes 3 can synchronously sample under the condition of different lifting heights. In addition, the first lifting motor 10 of the first lifting assembly may be provided in plurality, or as shown in the present embodiment, only one first lifting motor 10 may be provided, and the plurality of first lifting screws 9 may be driven synchronously by using a transmission belt and a transmission pulley.

Further, the top of sampling box 1 is equipped with sealed lid 11, and cooling fan 12 is installed at the top of sealed lid 11, and sealed lid 11 embeds is equipped with a plurality of radiating fin 13. A heat conducting fin 14 is arranged in the sampling box 1, and the heat conducting fin 14 is fixedly installed at the bottom of the sealing cover 11 through a support and other connecting and fixing parts and is in heat conduction with the heat radiating fins 13. In this embodiment, the heat conducting sheet 14 is directly abutted against the heat dissipating fins 13 to achieve heat conduction therebetween. The heat of the condensed water can be quickly conducted to the radiating fins 13 through the heat conducting fins 14, and air cooling is carried out under the action of the radiating fan 12, so that the cooling speed of the condensed water is increased, and sampling is facilitated.

As some optional embodiments, a second lifting assembly for driving the sealing cover 11 to open and close in a lifting manner can be further installed at the top of the sampling box 1, so that the heat conducting fins 14 at the bottom of the sealing cover 11 can be conveniently led out to the outside of the sampling box 1 for cleaning and maintenance, and the cooling effect of the condensed water is further ensured.

Similarly, the second lifting assembly in this embodiment includes a second lifting screw 15 vertically arranged and a second lifting motor 16 for driving the second lifting screw 15 to operate. The sealing cover 11 is fixedly connected with a screw nut of the second lifting screw 15, and the sealing cover 11 can be driven to lift by operating the second lifting motor 16 through the second lifting screw 15. In the same way, the second lifting component can also be a lifting cylinder, a linear motor and other linear driving mechanisms which can drive the sealing cover 11 to lift up and down. In addition, in order to ensure the stability of the lifting of the sealing cover 11, a plurality of sets of second lifting assemblies may be uniformly arranged around the sealing cover 11, wherein the number of the second lifting motors 16 may be individually arranged, or only one second lifting motor may be arranged and may be enabled to synchronously drive a plurality of second lifting screws 15 by using a transmission belt and a transmission pulley.

Furthermore, the water outlet pipe of the sampling box 1 can be communicated to an external sampling water recovery system, so that the sampled condensed water can be recycled.

The principle and the implementation of the present invention are explained by applying specific examples, and the above description of the embodiments is only used to help understand the technical solution and the core idea of the present invention; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present invention in its various embodiments.

Claims

1. The utility model provides a power plant steam sampling equipment who facilitates use which characterized in that includes:

2. The power plant steam sampling device that facilitates use of claim 1, wherein: the quantity of sampling mechanism is the multiunit, and every group the sample depth that the water inlet of sampling mechanism was located is all inconsistent.

3. The power plant steam sampling device that facilitates use of claim 2, wherein: the first lifting assembly comprises a vertically arranged first lifting screw rod and a first lifting motor for driving the first lifting screw rod to operate, and the upper end of the lifting rod is fixedly connected with a screw rod nut of the first lifting screw rod.

4. The power plant steam sampling device that facilitates use of claim 3, wherein: the thread density of the first lifting screw rod is reduced along with the increase of the sampling depth of the water inlet.

5. The power plant steam sampling device that facilitates use of claim 1, wherein: and the bottom of the sampling box is provided with a sealing plug matched with the sampling tube.

6. The power plant steam sampling device that facilitates use of claim 1, wherein: the sampling box is characterized in that a sealing cover is arranged at the top of the sampling box, a heat radiation fan is installed at the top of the sealing cover, a plurality of heat radiation fins are embedded in the sealing cover, and heat conducting fins which are in heat conduction with the heat radiation fins are fixed at the bottom of the sealing cover.

7. The power plant steam sampling device that facilitates use of claim 6, wherein: and the top of the sampling box is also provided with a second lifting component for driving the sealing cover to lift and open.

8. The power plant steam sampling device that is convenient to use of claim 7, wherein: the second lifting assembly comprises a second lifting screw rod which is vertically arranged and a second lifting motor which is used for driving the second lifting screw rod to operate, and the sealing cover is fixedly connected with a screw rod nut of the second lifting screw rod.

9. The power plant steam sampling device of any of claims 1 to 8, which is convenient to use, and which comprises: the sampling box is provided with a water inlet pipe and a water outlet pipe, the water inlet pipe is communicated to a boiler water vapor system, and the water outlet pipe is communicated to a sampling water recovery system.