CN207514554U - A kind of deduster orifice plate thermal expansion elimination device - Google Patents

Abstract

The utility model discloses a kind of deduster orifice plate thermal expansion elimination devices, including the multiple orifice plate units being set on inside deduster, the orifice plate unit edge is with the deduster wallboard at a distance of 30mm, and the orifice plate unit both sides are equipped with the first rectangle pressure pipe and the second rectangle pressure pipe respectively, the first rectangle pressure pipe and the second rectangle pressure pipe are broken respectively with the deduster wallboard welds connection, wherein described first rectangle pressure pipe periphery is equipped with the first bending plate, and first bending plate is connect respectively with the deduster wallboard, the orifice plate unit full weld.Compared with prior art, the utility model is simple in structure, reasonable design, can not only effectively eliminate the stress of plate size variation brought due to temperature change, and be avoided that the leakage of flue gas is influenced caused by environment.

Description

A kind of deduster orifice plate thermal expansion elimination device

Technical field

The utility model is related to Environmental-protecting dust-removing technical fields, and in particular to a kind of deduster orifice plate thermal expansion elimination device.

Background technology

At present, Environmental-protecting dust-removing device is widely used in many fields, is matched in the equipment particularly changed in temperature More, with the raising of temperature, deduster orifice plate is a monoblock plank, varies with temperature and expands with heat and contract with cold, and generates additional stress, ruler Very little also to be changed, not only to deduster, the structural strength of entire babinet has an impact for this, but also there may be a large amount of flue gases Leakage, environment is impacted.

Utility model content

To solve drawbacks described above, the purpose of this utility model is to provide a kind of deduster orifice plate thermal expansion elimination device, no It is only capable of effectively eliminating the stress of plate size variation brought due to temperature change, and be avoided that environment is made in the leakage of flue gas Into influence.

In order to achieve the above objectives, the technical solution adopted in the utility model is：Dress is eliminated in a kind of deduster orifice plate thermal expansion Put, including the multiple orifice plate units being set on inside deduster, the orifice plate unit edge and the deduster wallboard at a distance of 25 ~ 30mm, and the orifice plate unit both sides are equipped with the first rectangle pressure pipe and the second rectangle pressure pipe, the first rectangle pressure pipe respectively Break respectively with the deduster wallboard with the second rectangle pressure pipe weldering connection, wherein the first rectangle pressure pipe periphery is equipped with the One bending plate, first bending plate are connect respectively with the deduster wallboard, the orifice plate unit full weld；Adjacent orifice plate unit Junction side is equipped with connecting plate, and connecting plate both sides weldering of breaking is connected with third rectangle pressure pipe, outside the third rectangle pressure pipe It encloses equipped with the second bending plate, second bending plate is connect respectively with the connecting plate, the orifice plate unit full weld, adjacent orifice plate The opposite side of unit junction is equipped with support group.

Preferably, the support group is made of two angle steel welded together.

At a distance of 15 ~ 20mm between adjacent orifice plate unit.

First bending plate, the second bending plate and the second bending plate are L-shaped bending plate.

In actual production, the orifice plate unit edge is with the deduster wallboard at a distance of 25 ~ 30mm, phase for the utility model At a distance of 15 ~ 20mm between adjacent orifice plate unit, when temperature increases in production, the elasticity that the orifice plate unit can have in bending plate is made It is slided with lower to wallboard direction, wallboard direction can be deviated from during reduction and is moved, stress is eliminated, avoids to deduster wallboard and orifice plate Intensity impact；In addition orifice plate is changed to polylith orifice plate unit by original monoblock, can equally eliminate to a certain extent The stress to expand with heat and contract with cold；First bending plate is connect respectively with the deduster wallboard, the orifice plate unit full weld, and described Two bending plates are connect respectively with the connecting plate, the orifice plate unit full weld, are in first bending plate and the second bending plate Portion forms a sealing mechanism completely, and orifice plate is after expanded by heating, you can ensures to do translation gliding under rectangle pressure pipe, and can be true Flue gas No leakage phenomenon inside L-type bending plate is protected, so as to solve the thermal expansion problem of hot precipitator, reaches expected and sets Count purpose.

Compared with prior art, the utility model is simple in structure, reasonable design, not only solves hot precipitator monolithic flower Plate can not eliminate the problem of steel thermal expansion, eliminate influence of the thermal expansion to hot precipitator body structure intensity, and keep away Exempt from the leakage of card weld flue gas, while monolithic orifice plate is changed to polylith orifice plate veneer, processing is facilitated to transport.

Description of the drawings

Below according to accompanying drawings and embodiments, the structure and features of the utility model is further described.

Fig. 1 is the structure diagram of the utility model.

Fig. 2 be in Fig. 1 A to schematic cross-sectional view.

Fig. 3 be in Fig. 1 B to schematic cross-sectional view.

In attached drawing 1, Fig. 2 and Fig. 3,1. support groups, 2. dedusters, 3. wall of dust arrester, 4. orifice plate units, 5. second rectangles Pressure pipe, 6. first bending plates, 7. first rectangle pressure pipes, 8. connecting plates, 9. second bending plates, 10. third rectangle pressure pipes；

I represents full weld, and II represents disconnected weldering, and III represents full weld, and IV represents full weld, and V represents disconnected weldering, and VI represents full weld, VII table Show full weld.

Specific embodiment

It is a kind of embodiment of the utility model referring to attached drawing 1, Fig. 2 and Fig. 3.

A kind of deduster orifice plate thermal expansion elimination device, including the multiple orifice plate units being set on inside deduster 2, the hole 4 edge of plate unit and the deduster wallboard 3 30mm, and 4 both sides of the orifice plate unit are equipped with the first rectangle pressure respectively apart 7 and second rectangle pressure pipe 5 of pipe, the first rectangle pressure pipe 7 and the second rectangle pressure pipe 5 respectively with the deduster wallboard 3 Disconnected weldering connection, wherein 5 periphery of the first rectangle pressure pipe is equipped with the first bending plate 6, first bending plate 6 removes respectively with described Dirt device wallboard 3, the connection of 4 full weld of the orifice plate unit；Adjacent 4 junction side of orifice plate unit is equipped with connecting plate 8, the connecting plate The weldering of breaking of 8 both sides is connected with third rectangle pressure pipe 10, and 10 periphery of third rectangle pressure pipe is equipped with the second bending plate 9, and described second Bending plate 9 is connect respectively with the connecting plate 8,4 full weld of the orifice plate unit, and the opposite side of adjacent 4 junction of orifice plate unit is set There is support group 1.

Preferably, the support group 1 is made of two angle steel welded together.

At a distance of 20mm between adjacent orifice plate unit 4.

First bending plate, 6 and second bending plate 9 is L-shaped bending plate.

In actual production, the orifice plate unit edge and the deduster wallboard are apart for the utility model embodiment 30mm, at a distance of 20mm between adjacent orifice plate unit, when temperature increases in production, the orifice plate unit can be in the bullet that bending plate has Property effect under slided to wallboard direction, wallboard direction can be deviated from during reduction moves, and eliminate stress, avoid to deduster wallboard and The intensity of orifice plate impacts；In addition orifice plate is changed to polylith orifice plate unit by original monoblock, to a certain extent equally can be with Eliminate the stress to expand with heat and contract with cold；First bending plate is connect respectively with the deduster wallboard, the orifice plate unit full weld, institute It states the second bending plate to connect with the connecting plate, the orifice plate unit full weld respectively, is first bending plate and the second bending Intralamellar part forms a sealing mechanism completely, and orifice plate is after expanded by heating, you can ensures to do translation gliding under rectangle pressure pipe, again It can ensure that flue gas No leakage phenomenon inside L-type bending plate, so as to solve the thermal expansion problem of hot precipitator, reach expected Purpose of design.

Described above is only the preferred embodiment of the utility model, and above-mentioned specific embodiment is not to the utility model Limitation, retouching, modification or the equivalent replacement that all those of ordinary skill in the art are made as described above belong to this reality With novel protection domain.

Claims (4)

1. a kind of deduster orifice plate thermal expansion elimination device, it is characterised in that：Including the multiple orifice plate lists being set on inside deduster Member, the orifice plate unit edge and the deduster wallboard are at a distance of 30mm, and the orifice plate unit both sides are equipped with first respectively Rectangle pressure pipe and the second rectangle pressure pipe, the first rectangle pressure pipe and the second rectangle pressure pipe respectively with the deduster wallboard Disconnected weldering connection, wherein the first rectangle pressure pipe periphery is equipped with the first bending plate, first bending plate respectively with the dedusting Device wallboard, orifice plate unit full weld connection；Adjacent orifice plate unit junction side is equipped with connecting plate, and the connecting plate both sides are broken Weldering is connected with third rectangle pressure pipe, and the third rectangle pressure pipe periphery is equipped with the second bending plate, second bending plate respectively with The connecting plate, orifice plate unit full weld connection, the opposite side of adjacent orifice plate unit junction are equipped with support group.

2. deduster orifice plate thermal expansion elimination device according to claim 1, it is characterised in that：The support group uses two A angle steel welded together is made.

3. deduster orifice plate thermal expansion elimination device according to claim 1, it is characterised in that：Between adjacent orifice plate unit At a distance of 20mm.

4. deduster orifice plate thermal expansion elimination device according to claim 1, it is characterised in that：First bending plate, Second bending plate and the second bending plate are L-shaped bending plate.