CN216747033U

CN216747033U - Liquid feeding loss suppression module

Info

Publication number: CN216747033U
Application number: CN202123286877.6U
Authority: CN
Inventors: 赵玉梅
Original assignee: TIANJIN LANYU TECHNOLOGY INDUSTRY TRADE CO LTD
Current assignee: TIANJIN LANYU TECHNOLOGY INDUSTRY TRADE CO LTD
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-06-14
Anticipated expiration: 2031-12-24

Abstract

The utility model discloses a liquid adding loss suppression module, which comprises a precision peristaltic pump and a phosphoric acid container; the input end of the precision peristaltic pump is communicated with the phosphoric acid container; the output end of the precision peristaltic pump is connected with a heat tracing pipe; the heat tracing pipe is electrically connected with a temperature controller; a solid-state relay is arranged between the heat tracing pipe and the temperature controller; the precision peristaltic pump and the temperature controller are commonly connected to an air switch. The liquid adding loss suppression module can make up SO₂Losses during preprocessing of CEMS devicesAnd the accuracy of the monitoring data is ensured.

Description

Liquid feeding loss suppression module

Technical Field

The utility model relates to the technical field of flue gas online monitoring systems, in particular to a liquid adding loss suppression module.

Background

In the process of pretreating flue gas by using the flue gas sampling front end of a cold dry type flue gas online monitoring system (CEMS), SO (sulfur oxide) can be treated₂Certain loss is caused, and the accuracy of the monitoring data is insufficient.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned drawbacks and deficiencies of the prior art, it would be desirable to provide a method for compensating for SO₂At CEAnd the liquid feeding loss suppression module ensures the accuracy of monitoring data due to the loss in the pretreatment process of the MS equipment.

The utility model provides a liquid adding loss suppression module, which comprises a precision peristaltic pump and a phosphoric acid container; the input end of the precision peristaltic pump is communicated with the phosphoric acid container; the output end of the precision peristaltic pump is connected with a heat tracing pipe; the heat tracing pipe is provided with a one-way valve; the heat tracing pipe is electrically connected with a temperature controller; a solid-state relay is arranged between the heat tracing pipe and the temperature controller; the precision peristaltic pump and the temperature controller are connected to an air switch together.

Furthermore, the precision peristaltic pump, the phosphoric acid container and the heat tracing pipe are arranged in the case.

Furthermore, a silica gel heating plate is arranged in the case.

Further, the phosphoric acid container is a 5L plastic barrel.

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

(1) the liquid adding loss suppression module is provided with a heat tracing pipe, and phosphoric acid is conveyed at a constant temperature of 60 ℃ under the control of a temperature controller. The heat tracing pipe of the titration apparatus can be directly communicated with the heat tracing pipe of the CEMS equipment, and the phosphoric acid is dripped into the heat tracing pipe of the CEMS equipment, the temperature in the heat tracing pipe of the CEMS equipment is 150 ℃, and the dripped phosphoric acid is rapidly gasified to make up for SO in the pretreatment process₂Loss of (d); the heat tracing pipe of the titration device can also be connected to the refrigerator of the CEMS equipment, and phosphate generated by phosphoric acid is combined with water to avoid SO₂Dissolving in water to prevent SO during pretreatment₂Is lost. The accuracy of the CEMS device in monitoring the smoke is ensured.

(2) The liquid adding loss suppression module of the utility model pumps phosphoric acid into the heat tracing pipe through the precision peristaltic pump, can precisely control the titration flow of the phosphoric acid, and ensures the accuracy of the introduction amount of the phosphoric acid into the flue gas sampling device.

(3) The liquid adding loss suppression module is assembled in the case, has the advantages of small volume, high integration level and convenience in transportation and installation, and can be widely applied to the front-end pretreatment of the cold-dry CEMS equipment.

It should be understood that what is described in this summary section is not intended to limit key or critical features of the embodiments of the utility model, nor is it intended to limit the scope of the utility model.

Other features of the present invention will become apparent from the following description.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:

fig. 1 is a structural block diagram of a liquid adding loss suppression module.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1, an embodiment of the present invention provides a liquid adding damage suppression module, which includes a precision peristaltic pump and a phosphoric acid container; the input end of the precision peristaltic pump is communicated with the phosphoric acid container; the output end of the precision peristaltic pump is connected with a heat tracing pipe; the heat tracing pipe is provided with a one-way valve; the heat tracing pipe is electrically connected with a temperature controller; a solid-state relay is arranged between the heat tracing pipe and the temperature controller; the precision peristaltic pump and the temperature controller are commonly connected to an air switch.

In this embodiment, there are two connection modes of the liquid adding loss suppression module and the CEMS device, and a better effect can be achieved. One is to directly connect the heat tracing pipe of the titration device to the CEMS heat tracing pipe to compensate the SO in the pretreatment process₂Loss of (d); the other is that the titration device is provided with a heat tracing pipe connected to a CEMS refrigerator for CEMS refrigerationThe device is used for removing moisture in flue gas, phosphoric acid is dissolved in water after being dripped, the acidity of the phosphoric acid is stronger, and phosphate radicals generated after being dissolved in water can prevent SO₂Is soluble in water, SO that SO in the pretreatment process is avoided₂Is lost.

The liquid feeding restraines decreases module but wide application in cold type CEMS equipment front end preliminary treatment futilely realizes titrating of phosphoric acid through accurate peristaltic pump and carries, but the accuracy of phosphoric acid to the leading-in volume in the flue gas sampling device has been improved to the titration flow of accurate control phosphoric acid, has ensured the accuracy of CEMS equipment to flue gas monitoring.

In a preferred embodiment, the precision peristaltic pump, the phosphoric acid container and the heat tracing pipe are arranged in the case, and the case has the advantages of small volume, high integration level and convenience in transportation and installation.

In a preferred embodiment, a silica gel heating plate is arranged in the case, so that equipment in the case is in a constant temperature working environment of 40 ℃, and the device is in a low-temperature environment, so that phosphoric acid can be prevented from precipitating or condensing.

In a preferred embodiment, the phosphoric acid container is a 5L plastic bucket.

In the description of the present specification, the terms "connect", "mount", "fix", and the like are to be understood in a broad sense, for example, "connect" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be.

In the description of the present application, the description of the terms "one embodiment," "some embodiments," etc. means 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 application. 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 above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A liquid adding loss suppression module is characterized by comprising a precision peristaltic pump and a phosphoric acid container; the input end of the precision peristaltic pump is communicated with the phosphoric acid container; the output end of the precision peristaltic pump is connected with a heat tracing pipe; the heat tracing pipe is provided with a one-way valve; the heat tracing pipe is electrically connected with a temperature controller; a solid-state relay is arranged between the heat tracing pipe and the temperature controller; the precision peristaltic pump and the temperature controller are connected to an air switch together.

2. The liquid adding loss suppression module of claim 1, wherein said precision peristaltic pump, phosphoric acid container and heat trace tube are mounted within a chassis.

3. The liquid adding loss suppression module according to claim 2, wherein a silica gel heating plate is arranged in the case.

4. The filling loss suppression module of claim 3, wherein said phosphoric acid container is a 5L plastic bucket.