CN222784491U

CN222784491U - Online monitoring device for flue gas ammonia escape of thermal power plant

Info

Publication number: CN222784491U
Application number: CN202421261028.6U
Authority: CN
Inventors: 奚易堃; 陈非
Original assignee: Anhui Mandek Environmental Technology Co ltd; Hubei Mandeke Environmental Technology Co ltd; MANDRAKE ENVIRONMENTAL TECHNOLOGIES Ltd; Suzhou Mandrake Photoelectric Co ltd; Hebei Mandeke Environmental Technology Co ltd
Current assignee: Hubei Mandek Optoelectronic Technology Co ltd
Priority date: 2024-06-04
Filing date: 2024-06-04
Publication date: 2025-04-22
Anticipated expiration: 2034-06-04

Abstract

The utility model relates to the technical field of online monitoring of ammonia escape, and discloses an online monitoring device for ammonia escape of flue gas in a thermal power plant, wherein one end of the monitoring pipeline is connected to a filter box, a connector is installed on one side of the filter box, and a box plate is clamped on the upper surface of the filter box, and the lower surface of the box plate is respectively provided with a first filter screen and a second filter screen from left to right; a placement plate is provided below the bottom plate, and a connecting plate is symmetrically provided at the end surface position of the lower surface of the placement plate, and moving wheels are symmetrically provided on the lower surface of the connecting plate. By providing the first filter screen and the second filter screen inside the filter box, the gas entering the filter box can be double filtered, and at the same time, when disassembling, it is only necessary to move the box plate upward, that is, the positioning pin is moved out from the inside of the positioning hole, so that the first filter screen and the second filter screen can be taken out from the inside of the filter box for replacement.

Description

Online monitoring device for flue gas ammonia escape of thermal power plant

Technical Field

The utility model relates to the technical field of ammonia escape online monitoring, in particular to an online monitoring device for flue gas ammonia escape of a thermal power plant.

Background

Ammonia in flue gas of a thermal power plant mainly comes from ammonia which is not completely reacted in the denitration process of an ammonia method, ammonia elements contained in coal are converted at high temperature to generate ammonia, the ammonia in the flue gas has certain influence on the environment and the operation of a power plant, the phenomenon of ammonia escape which does not participate in the reaction of ammonia exists in the flue gas at the outlet of a denitration reaction tower, and the ammonia escape on-line monitoring aims at preventing excessive sprayed ammonia, causing waste in the aspect of economy for customers and preventing secondary pollution caused by exceeding discharge of ammonia.

The chinese patent discloses a flue gas ammonia escape on-line monitoring device of thermal power plant (grant bulletin number CN 217237975U), and this patent technology through setting up filtering mechanism, through setting up the filter screen of two different mesh apertures, can carry out high-efficient filtration to the impurity in the smoke and dust, then the mount rotates the connecting cylinder, can dismantle out the connecting cylinder to be convenient for change or wash the filter screen, avoid appearing the condition that the filter screen blockked up, strengthened the filter effect of device to the smoke and dust.

But still there is not enough to this patent, and this patent is nevertheless realized carrying out filtration to impurity in the smoke and dust, can be seen by the drawing of this patent, and this patent only need dismantle the connecting cylinder when dismantling the filter screen can realize wasing the filter screen, and this kind of dismantlement mode efficiency is slower, influences follow-up ammonia escape monitoring work. Therefore, a person skilled in the art provides an online monitoring device for ammonia slip of flue gas in a thermal power plant, so as to solve the problems in the background art.

Disclosure of utility model

The utility model aims to provide an online monitoring device for flue gas ammonia escape of a thermal power plant, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a flue gas ammonia escape on-line monitoring device of thermal power plant, includes the bottom plate, sets up the high temperature sampling pump and installs the monitoring pipeline in high temperature sampling pump one side at the bottom plate upper surface, the one end of monitoring pipeline is connected with the rose box, the connector is installed to rose box one side, and the upper surface joint of rose box has the boxboard, the lower surface of boxboard from left to right is provided with first filter screen and second filter screen respectively;

The lower part of bottom plate is provided with places the board, place the lower surface terminal surface position department symmetry of board and be provided with the connecting plate, the lower surface symmetry of connecting plate is provided with the removal wheel.

As a still further proposal of the utility model, the upper surface of the placing plate is symmetrically provided with grooves, the inside of the grooves is symmetrically provided with electric telescopic rods, and the telescopic ends of the electric telescopic rods are provided with positioning plates on the lower surface of the bottom plate.

As a still further proposal of the utility model, the lower surface of the bottom plate is symmetrically provided with clamping plates, and the upper surface of the positioning plate is provided with positioning grooves which are mutually clamped with the clamping plates.

As a still further scheme of the utility model, the electric telescopic rod is symmetrically arranged in the groove, and the positioning plates are arranged in the groove.

As a still further proposal of the utility model, the lower surface of the box plate is symmetrically provided with positioning pins, and the upper surface of the filter box is provided with positioning holes which are mutually clamped with the positioning pins.

As a still further proposal of the utility model, the lower surface of the box plate is also provided with a sealing gasket, and the sealing gasket is made of rubber.

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

1. The utility model provides a flue gas ammonia escape on-line monitoring device of thermal power plant, through being provided with first filter screen and second filter screen in the inside of rose box, can carry out dual filtration to the gas that enters into the rose box inside like this, also only need upwards move the boxboard when dismantling simultaneously, shift out from the inside of locating hole promptly the locating pin, and then can realize taking out the inside of rose box with first filter screen and second filter screen and realize the purpose of changing, this setting simple structure, convenient operation can realize the purpose of dual filtration thermal power plant flue gas, in order to follow-up to ammonia escape monitoring work.

2. The utility model provides a flue gas ammonia escape on-line monitoring device of thermal power plant can realize removing the device to the monitoring position through the removal wheel that the connecting plate lower surface symmetry set up to through the work of the electric telescopic handle that starts the inside symmetry of recess and set up, can make the locating plate remove in the inside of recess like this, and then the position of adjustable bottom plate, in order to be convenient for be connected the connector with ammonia emission pipeline and be convenient for monitoring ammonia escape.

Drawings

FIG. 1 is a schematic structural view of an online monitoring device for ammonia slip of flue gas in a thermal power plant;

Fig. 2 is a schematic structural diagram of a locating plate in an online monitoring device for flue gas ammonia escape in a thermal power plant;

Fig. 3 is a schematic structural diagram of a first filter screen in an online monitoring device for flue gas ammonia escape in a thermal power plant.

The high-temperature sampling pump comprises a high-temperature sampling pump body 1, a monitoring pipeline body 11, a base plate 2, a placing plate 3, a connecting plate 31, a connecting plate 311, a moving wheel 32, a locating plate 321, an electric telescopic rod 322, a locating groove 323, a groove 4, a filtering box 41, a connector 42, a box plate 43, a first filtering net 44, a second filtering net 45, a locating pin 451, a locating hole 46 and a sealing gasket.

Detailed Description

Referring to fig. 1-3, in an embodiment of the utility model, an online monitoring device for ammonia escape of flue gas in a thermal power plant includes a base plate 2, a high temperature sampling pump 1 disposed on an upper surface of the base plate 2, and a monitoring pipeline 11 installed on one side of the high temperature sampling pump 1, wherein one end of the monitoring pipeline 11 is connected with a filter box 4, a connector 41 is installed on one side of the filter box 4, a box plate 42 is clamped on an upper surface of the filter box 4, a first filter screen 43 and a second filter screen 44 are disposed on a lower surface of the box plate 42 from left to right, the dual filtering treatment can be performed on smoke dust by using the first filter screen 43 and the second filter screen 44, and the first filter screen 43 and the second filter screen 44 can be detached conveniently through the box plate 42, so that maintenance can be performed.

The below of bottom plate 2 is provided with places board 3, places the lower surface terminal surface position department symmetry of board 3 and is provided with connecting plate 31, and the lower surface symmetry of connecting plate 31 is provided with removes wheel 311, and this setting utilizes to remove wheel 311 and can be convenient for remove the device to the monitoring position, makes connector 41 and ammonia emission pipeline be connected through the altitude mixture control of bottom plate 2 simultaneously.

In fig. 2, a groove 323 is symmetrically formed on the upper surface of the placement plate 3, an electric telescopic rod 321 is symmetrically arranged in the groove 323, a positioning plate 32 is arranged on the lower surface of the bottom plate 2 at the telescopic end of the electric telescopic rod 321, clamping plates are symmetrically arranged on the lower surface of the bottom plate 2, positioning grooves 322 mutually clamped with the clamping plates are formed on the upper surface of the positioning plate 32, two electric telescopic rods 321 are symmetrically arranged in the groove 323, the positioning plate 32 is arranged in the groove 323, the purpose of mounting the bottom plate 2 and the positioning plate 32 can be achieved by embedding the clamping plates into the positioning grooves 322, and meanwhile, the positioning plate 32 can move in the groove 323 by utilizing the operation of the electric telescopic rod 321, so that the position of the connecting head 41 can be adjusted.

In fig. 3, the lower surface of the box plate 42 is symmetrically provided with positioning pins 45, the upper surface of the filter box 4 is provided with positioning holes 451 which are mutually engaged with the positioning pins 45, and the positioning pins 45 are embedded into the positioning holes 451 to realize the positioning and mounting of the filter box 4 and the box plate 42.

In fig. 3, a gasket 46 is further provided on the lower surface of the box plate 42, the gasket 46 is made of rubber, and the gasket 46 is provided to improve the sealing property of the connection between the box plate 42 and the filter box 4.

The online monitoring device for the ammonia escape of the flue gas of the thermal power plant is characterized in that when the online monitoring device is used, the device can be moved to a monitoring position through the moving wheel 311 and locked, after the locking, the electric telescopic rods 321 symmetrically arranged in the grooves 323 are started to work, so that the positioning plate 32 moves in the grooves 323, the position of the bottom plate 2 can be adjusted, the connecting head 41 is convenient to correspond to an ammonia discharge pipeline so as to facilitate ammonia escape monitoring, the ammonia discharge pipeline can be connected with the monitoring pipeline 11 through the connecting head 41, when smoke dust with ammonia passes through the filter box 4 through the high-temperature sampling pump 1, the gas entering the filter box 4 can be subjected to double filtration treatment through the first filter screen 43 and the second filter screen 44 in the filter box 4, and meanwhile, when the gas is disassembled, the box plate 42 is only required to be moved upwards, namely the positioning pin 45 is moved out of the positioning hole 451, and the first filter screen 43 and the second filter screen 44 can be taken out from the filter box 4 to realize replacement.

The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. An online monitoring device for flue gas ammonia escape in a thermal power plant, comprising a base plate (2), a high-temperature sampling pump (1) arranged on the upper surface of the base plate (2), and a monitoring pipe (11) installed on one side of the high-temperature sampling pump (1), characterized in that one end of the monitoring pipe (11) is connected to a filter box (4), one side of the filter box (4) is installed with a connector (41), and the upper surface of the filter box (4) is clamped with a box plate (42), and the lower surface of the box plate (42) is respectively provided with a first filter screen (43) and a second filter screen (44) from left to right;

A placement plate (3) is arranged below the bottom plate (2), a connection plate (31) is symmetrically arranged at the end surface of the lower surface of the placement plate (3), and moving wheels (311) are symmetrically arranged on the lower surface of the connection plate (31).

2. An online monitoring device for ammonia escape from flue gas in a thermal power plant according to claim 1, characterized in that a groove (323) is symmetrically provided on the upper surface of the placement plate (3), an electric telescopic rod (321) is symmetrically provided inside the groove (323), and a positioning plate (32) is provided at the telescopic end of the electric telescopic rod (321) on the lower surface of the bottom plate (2).

3. An online monitoring device for ammonia escape from flue gas in a thermal power plant according to claim 2, characterized in that a clamping plate is symmetrically arranged on the lower surface of the base plate (2), and a positioning groove (322) that engages with the clamping plate is opened on the upper surface of the positioning plate (32).

4. The on-line monitoring device for ammonia escape from flue gas in a thermal power plant according to claim 2 is characterized in that two electric telescopic rods (321) are symmetrically arranged inside the groove (323), and the positioning plate (32) is arranged inside the groove (323).

5. An online monitoring device for ammonia escape from flue gas in a thermal power plant according to claim 1, characterized in that positioning pins (45) are symmetrically arranged on the lower surface of the box plate (42), and positioning holes (451) that engage with the positioning pins (45) are opened on the upper surface of the filter box (4).

6. The on-line monitoring device for ammonia escape from flue gas in a thermal power plant according to claim 1 is characterized in that a sealing gasket (46) is also provided on the lower surface of the box plate (42), and the material of the sealing gasket (46) is rubber.