Denitration anti-blocking sampling device

Abstract

The utility model discloses an anti-blocking sampling device for denitration. The anti-blocking sampling device comprises a box body, the gas chamber is arranged in the box body, and a first heating part is arranged on the gas chamber; the probe rod component is arranged on the box body and communicated with the gas chamber, and the probe rod component is sleeved with a heating sleeve; the sampling part is arranged in the box body and is communicated with the gas chamber; the air blowing part is arranged on the box body, and the air blowing part is used for extracting external air into the air chamber and discharging the external air through the probe rod component. According to the flue gas sampling device, when the equipment needs to carry out sampling work, the probe rod component can be lifted into the flue wall, meanwhile, the heating sleeve heats the probe rod component, the first heating part carries out heating and heat preservation on the gas chamber and the sampling part, and after flue gas enters the gas chamber and the sampling part through the probe rod component, the temperature of the flue gas does not change obviously; and the phenomenon of smoke blockage caused by cooling is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to flue gas sampling equipment technical field especially, relates to a kind of denitration anti-blocking sampling device. BACKGROUND

[0002] Before electric precipitation, the denitration system is high in dust content, and the dust is prone to blockage when it suddenly encounters cold. The existing device has two shortcomings: 1. The temperature in the flue is above 200 degrees. The existing sampling device does not have a heating device from the flue to the sampling box section, and sudden cooling can cause blockage. 2. The low temperature of compressed air during purging can also cause the residual dust in the pipeline to suddenly encounter cold, resulting in pipeline blockage.

[0003] To solve the above problems, a denitration anti-blocking sampling device is proposed. UTILITY MODEL CONTENT

[0004] The utility model aims to solve the above problems by providing a denitration anti-blocking sampling device.

[0005] To solve the above problems, the utility model adopts the following technical solution: a denitration anti-blocking sampling device, comprising:

[0006] a box body;

[0007] a gas chamber, the gas chamber is arranged in the box body, and a first heating part is arranged on the gas chamber;

[0008] a probe rod component, the probe rod component is arranged on the box body and communicates with the gas chamber, and a heating sleeve is sleeved on the probe rod component;

[0009] a sampling part, the sampling part is arranged in the box body and communicates with the gas chamber;

[0010] a blowing part, the blowing part is arranged on the box body, and the blowing part is used to draw external gas into the gas chamber and discharge it through the probe rod component;

[0011] a control valve, the control valve is arranged between the gas chamber and the sampling part, and is used to cut off the communication between the sampling part and the gas chamber when the blowing part is started.

[0012] Further, an opening and closing cover is arranged on the box body, and a sampling hole is arranged on the opening and closing cover, which is used to connect a sampling device.

[0013] Further, a filter element is arranged inside the sampling part.

[0014] Further, the blowing part comprises a compressed air joint, a second heating part and a conduit.

[0015] The compressed air joint is communicated with the gas chamber through a conduit.

[0016] The second heating part is used to heat the gas inside the conduit.

[0017] Further, the heating sleeve is internally provided with a third heating part, which is used to heat the gas extracted from the flue by the probe rod part.

[0018] Further, the control valve is electrically connected with the air blowing part, so as to close the control valve when the compressed air joint is turned on.

[0019] The beneficial effects of the utility model lie in:

[0020] When the equipment needs to perform sampling work, the probe rod part can be lifted into the flue wall, and the heating sleeve heats the probe rod part, and the first heating part heats and keeps warm the gas chamber and the sampling part, so that the temperature of the flue gas has no obvious change after entering the gas chamber and the sampling part through the probe rod part, and the phenomenon of smoke dust blockage caused by temperature drop is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a front view of the utility model;

[0022] Figure 2 It is a perspective structural sectional view of the utility model;

[0023] Figure 3 It is a perspective view of the utility model;

[0024] Figure 4 It is a perspective schematic view of the utility model.

[0025] IN THE DRAWINGS:

[0026] 1, box; 11, open and close cover; 12, sampling hole;

[0027] 2, gas chamber;

[0028] 3, probe rod part; 31, heating sleeve;

[0029] 4, sampling part; 41, filter element;

[0030] 5, air blowing part; 51, compressed air joint; 52, second heating part; 53, conduit;

[0031] 6, control valve. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to 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. In the case of no conflict, the embodiments in the application and the features in the embodiments can be combined with each other. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0033] Please refer to Figures 1-4 The utility model discloses a kind of denitration anti-blocking sampling devices, comprising:

[0034] Box 1;

[0035] Gas chamber 2, the gas chamber 2 is arranged in box 1, first heating part 21 is provided on the gas chamber 2;

[0036] Probe rod component 3, the probe rod component 3 is arranged on box 1 and is communicated with gas chamber 2, heating sleeve 31 is sleeved on the probe rod component 3, it needs to be explained, heating sleeve 31 is fixed on box 1 by bolt, to facilitate subsequent disassembly and maintenance;

[0037] Sampling part 4, the sampling part 4 is arranged in box 1 and is communicated with gas chamber 2, as Figure 3 Indicated, first heating part 21 covers on the sampling part 4 of gas chamber 2, to heat preservation to the two;

[0038] Air blowing part 5, the air blowing part 5 is arranged on box 1, the air blowing part 5 is used to extract external gas to enter into gas chamber 2 and is discharged by probe rod component 3;

[0039] Control valve 6, the control valve 6 is arranged between gas chamber 2 and sampling part 4, to cut off the communication of sampling part 4 and gas chamber 2 with the start of air blowing part 5.

[0040] Through the above structure setting, when equipment needs to carry out sampling work, probe rod component 3 can be lifted to the inside of flue wall, simultaneously, heating sleeve 31 heats probe rod component 3, first heating part 21 heats gas chamber 2 and sampling part 4, after flue gas enters into the inside of gas chamber 2 and sampling part 4 by probe rod component 3, its temperature has no obvious change, avoid the phenomenon that temperature drop leads to soot blockage.

[0041] Further, the box 1 is provided with an open-close cover 11, the open-close cover 11 is provided with a sampling hole 12, and the sampling hole 12 is used to connect a sampling device.

[0042] Need to explain, the sampling part 4 inside be provided with filter core 41, through the structure of the above setting, facilitate the equipment to open and close lid 11, the filter core 41 of sampling part 4 inside is replaced and maintained.

[0043] Need to be explained in detail, the air blowing part 5 includes compressed air joint 51, second heating part 52 and pipe 53;

[0044] The compressed air joint 51 is communicated with the gas chamber 2 through the pipe 53;

[0045] The second heating part 52 is used to heat the gas inside the pipe 53.

[0046] And in another embodiment, in the blowing process, the air blowing part 5 runs, at the same time, the control valve 6 is closed to cut off the communication between the sampling part 4 and the gas chamber 2, the compressed air joint 51 introduces external gas and transports it to the gas chamber 2 through the pipe 53, and finally blows into the flue through the probe rod part 3 to blow, and in the above process, the second heating part 52 can heat the external air passing through the pipe 53 to keep consistent with the temperature inside the flue, so as to avoid the phenomenon of cold air entering the flue to cause blockage.

[0047] Need to explain, the heating sleeve 31 is provided with a third heating part inside, and the third heating part is used to heat the gas extracted from the flue by the probe rod part 3.

[0048] In the present application, the control valve 6 is electrically connected with the air blowing part 5, so as to close the control valve 6 when the compressed air joint 51 is communicated.

[0049] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings), if the specific posture changes, the directional indications will also change accordingly.

[0050] In addition, if the embodiments of the present application involve descriptions of "first", "second" and the like, the descriptions of "first", "second" and the like are only for description purposes, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the present application.

[0051] In addition, "a plurality of" means two or more.

[0052] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A denitration anti-blocking sampling device, characterized in that, It comprises: a box (1); a gas chamber (2) arranged in the box (1), the gas chamber (2) being provided with a first heating part (21); a probe rod part (3) arranged on the box (1) and communicating with the gas chamber (2), the probe rod part (3) being sleeved with a heating sleeve (31); a sampling part (4) arranged in the box (1) and communicating with the gas chamber (2); a blast part (5) arranged on the box (1), the blast part (5) being used for drawing external gas into the gas chamber (2) and discharging it through the probe rod part (3); a control valve (6) arranged between the gas chamber (2) and the sampling part (4), the control valve (6) being used for cutting off the communication between the sampling part (4) and the gas chamber (2) when the blast part (5) is started.

2. The device according to claim 1, wherein: The box (1) is provided with an opening and closing cover (11), the opening and closing cover (11) being provided with a sampling hole (12), the sampling hole (12) being used for connecting a sampling device.

3. The device according to claim 1, wherein: The sampling part (4) is internally provided with a filter core (41).

4. The device according to claim 1, wherein: The blast part (5) comprises a compressed air joint (51), a second heating part (52) and a conduit (53); The compressed air joint (51) communicates with the gas chamber (2) through the conduit (53); The second heating part (52) is used for heating the gas inside the conduit (53).

5. The device according to claim 1, wherein: The heating sleeve (31) is internally provided with a third heating part, the third heating part being used for heat preservation of the gas drawn by the probe rod part (3) from the flue.

6. The device according to claim 4, wherein: The control valve (6) is electrically connected with the blast part (5), the control valve (6) being closed when the compressed air joint (51) is conducted.

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