CN212576013U

CN212576013U - Soot blower of denitration equipment

Info

Publication number: CN212576013U
Application number: CN202021312401.8U
Authority: CN
Inventors: 谢裕田; 吴茂彬
Original assignee: Meizhou Weilibang Electronic Technology Co ltd
Current assignee: Meizhou Weilibang Electronic Technology Co ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-02-23
Anticipated expiration: 2030-07-07

Abstract

The utility model discloses a soot blower of denitration equipment; belongs to the technical field of denitration auxiliary structures; the denitration device is characterized by comprising a denitration chamber, wherein a denitration catalyst layer is arranged in the denitration chamber along the horizontal direction, a plurality of through holes are uniformly distributed in the denitration catalyst layer along the vertical direction, a protective net is arranged in the denitration chamber above the denitration catalyst layer, a vertical blowing mechanism opposite to the through holes in the denitration catalyst layer is arranged in the denitration chamber above the protective net, and the vertical blowing mechanism is connected with a reciprocating driving mechanism; the utility model aims to provide a soot blower of denitration equipment with compact structure, convenient use and good effect; is used for preventing the denitration chamber from being blocked.

Description

Soot blower of denitration equipment

Technical Field

The utility model relates to a soot blower, more specifically say, especially relate to a denitration device's soot blower.

Background

The denitration catalyst layer in the denitration chamber is formed by arranging a plurality of catalyst blocks with the thickness of 0.8-1 meter side by side in a matrix, denitration holes are uniformly distributed on the catalyst blocks, and waste gas is subjected to denitration through the denitration holes, then is subjected to cloth bag dust removal, and then is discharged outside. Because the waste gas is carried with more dust and granule, and denitration hole aperture is less, after working a period, the denitration hole just very easily appears blockking up to influence the denitration effect of waste gas.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to the not enough of above-mentioned prior art, provide a compact structure, convenient to use and respond well denitration device's soot blower.

The technical scheme of the utility model is realized like this: the utility model provides a denitration device's soot blower, includes the denitration room, denitration indoor portion is provided with the denitration catalyst layer along the horizontal direction, has a plurality of through-holes along vertical direction equipartition on the denitration catalyst layer, the indoor protection network that is provided with of denitration catalyst layer top is provided with the vertical mechanism of blowing relative with the through-hole on the denitration catalyst layer in the denitration room of protection network top, vertical mechanism of blowing is connected with reciprocating drive mechanism.

In the soot blower of the denitration device, the distance between the protective net and the denitration catalyst layer is 2-5 cm; the denitration chamber is characterized in that a mounting ring is arranged on the inner wall of the denitration chamber along the circumferential direction, and the protective net is arranged on an inner hole of the mounting ring.

In the soot blower of the denitration device, the vertical blowing mechanism is composed of a main air supply pipe horizontally arranged in the middle of the denitration chamber along the length direction of the upper surface of the denitration catalyst layer, flow dividing pipes arranged at intervals along the length direction of the main air supply pipe, and a plurality of air injection pipes which are uniformly distributed at intervals along the length direction of the flow dividing pipes and vertically face the denitration catalyst layer; the distance between the air outlet end of the air injection pipe and the protective net is 5-8 cm.

Each shunt pipe is respectively vertical to the main air supply pipe and is horizontally arranged on the left side surface and the right side surface of the main air supply pipe in a pairwise opposite manner; one end of the main air supply pipe extends out of the denitration chamber and is connected with an external compressed air source pipeline; and the reciprocating driving mechanism is positioned outside the denitration chamber and is connected with the main air supply pipe.

In the soot blower of the denitration device, the reciprocating driving mechanism comprises a mounting seat fixed on the outer wall of the denitration chamber and a horizontal driving cylinder hinged with the mounting seat and fixedly connected with the main air supply pipe, a support is arranged on the outer wall of the denitration chamber below the main air supply pipe, a supporting roller matched with the main air supply pipe is arranged on the support, and a horizontal guiding mechanism is arranged at the end part of the main air supply pipe in the denitration chamber.

In the soot blower of the denitration device, the horizontal guide mechanism is composed of a support arranged at the bottom of the main air supply pipe, moving wheels arranged at two ends of the support and opposite to the mounting ring, and guide long grooves arranged on the mounting ring and matched with the moving wheels.

In the soot blower of the denitration device, the denitration chamber is composed of an inner layer, a protective layer positioned at the periphery of the inner layer and a heat insulation layer clamped between the inner layer and the protective layer; and the protective layer and the heat insulation layer are provided with abdicating holes matched with the vertical blowing mechanism and the reciprocating driving mechanism.

The utility model adopts the above structure after, through setting up vertical blast mechanism and reciprocating drive mechanism cooperation, make a round trip to carry out high pressure to the through-hole on the denitration catalyst layer and blow, guarantee that the dust of adhering to in the through-hole drops to guarantee the denitration effect. Simultaneously, through setting up the protection network, guarantee that the dust of great granule can not block up in the through-hole, further guarantee the denitration effect of denitration room.

Drawings

The present invention will be described in further detail with reference to the following examples, which are not intended to limit the invention.

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged partial schematic view at A of FIG. 1;

fig. 3 is a schematic structural view of the end of the main air supply pipe of the present invention.

In the figure: 1. a denitration chamber; 1a, an inner layer; 1b, a protective layer; 1c, an insulating layer; 2. a denitration catalyst layer; 3. a protective net; 4. a vertical blowing mechanism; 4a, a main air supply pipe; 4b, a shunt pipe; 4c, a gas ejector pipe; 5. a reciprocating drive mechanism; 5a, a mounting seat; 5b, horizontally driving the air cylinder; 5c, a support; 5d, supporting rollers; 6. a mounting ring; 7. a horizontal guide mechanism; 7a, a bracket; 7b, a moving wheel; 7c, a guide long groove.

Detailed Description

Referring to fig. 1 to 3, the utility model discloses a soot blower of denitration device, including denitration room 1, 1 inside denitration catalyst layer 2 that is provided with along the horizontal direction in denitration room, there are a plurality of through-holes along vertical direction equipartition on the denitration catalyst layer 2. The bottom of the denitration chamber is connected with a cloth bag dust removing device in a conduction mode. A protective net 3 is arranged in the denitration chamber 1 above the denitration catalyst layer 2, a vertical blowing mechanism 4 opposite to the through hole in the denitration catalyst layer 2 is arranged in the denitration chamber 1 above the protective net 3, and the vertical blowing mechanism 4 is connected with a reciprocating driving mechanism 5.

Preferably, the distance between the protective net 3 and the denitration catalyst layer 2 is 2-5 cm; an installation ring 6 is arranged on the inner wall of the denitration chamber 1 along the circumferential direction, and the protective net 3 is arranged on the inner hole of the installation ring 6. The mounting ring is convenient for mounting the protective net and subsequent components, and is beneficial to dust removal.

In this embodiment, the vertical blowing mechanism 4 is composed of a main air supply duct 4a horizontally arranged in the middle of the denitration chamber 1 along the length direction of the upper surface of the denitration catalyst layer 2, flow dividing pipes 4b arranged at intervals along the length direction of the main air supply duct 4a, and a plurality of air injection pipes 4c uniformly arranged at intervals along the length direction of the flow dividing pipes 4b and vertically facing the denitration catalyst layer 2; the distance between the air outlet end of the air injection pipe 4c and the protective net 3 is 5-8 cm.

Each shunt pipe 4b is respectively vertical to the main air supply pipe 4a and is horizontally arranged on the left side surface and the right side surface of the main air supply pipe 4a in a pairwise opposite manner; one end of the main air supply pipe 4a extends out of the denitration chamber 1 and is connected with an external compressed air source pipeline; the reciprocating driving mechanism 5 is positioned outside the denitration chamber 1 and is connected with the main air supply pipe 4 a. The area covered by two liang of relative shunt tubes is greater than the width on denitration catalyst layer, and jet-propelled pipe is relative with the through-hole on denitration catalyst layer simultaneously, can effectively remove dust to denitration catalyst layer.

Meanwhile, in this embodiment, the reciprocating driving mechanism 5 includes an installation seat 5a fixed on the outer wall of the denitration chamber 1 and a horizontal driving cylinder 5b hinged to the installation seat 5a and fixedly connected to the main air supply duct 4a, a support 5c is provided on the outer wall of the denitration chamber 1 below the main air supply duct 4a, a support roller 5d matched with the main air supply duct 4a is provided on the support 5c, and a horizontal guiding mechanism 7 is provided at the end of the main air supply duct 4a in the denitration chamber 1. The horizontal actuating cylinder that drives passes through tube coupling compressed air source, sets up the solenoid valve on the pipeline, and external control ware is connected to the solenoid valve, through external control ware and solenoid valve cooperation, realizes the control to the horizontal actuating cylinder that drives, and this connected mode and principle are prior art, no longer give unnecessary details here.

Preferably, the horizontal guiding mechanism 7 is composed of a bracket 7a arranged at the bottom of the main air supply duct 4a, a moving wheel 7b arranged at both ends of the bracket 7a and opposite to the mounting ring 6, and a guiding long groove 7c arranged on the mounting ring 6 and matched with the moving wheel 7 b. The long guide groove is arranged on the mounting ring. The bracket is triangular and consists of a main beam parallel to the shunt pipes and inclined struts connected between two sides of the main beam and the main air supply pipe, two ends of the main beam are respectively positioned at the inner sides of the corresponding shunt pipes, namely the total coverage length of the corresponding shunt pipes is greater than that of the main beam.

Meanwhile, the horizontal guide mechanism is matched with the supporting roller, so that the vertical blowing mechanism can be ensured to stably and smoothly reciprocate along the horizontal direction, and the soot blowing effect is ensured.

Preferably, the denitration chamber 1 consists of an inner layer 1a, a protective layer 1b positioned at the periphery of the inner layer 1a and a heat preservation layer 1c clamped between the inner layer 1a and the protective layer 1 b; and the protective layer 1b and the heat preservation layer 1c are provided with abdicating holes matched with the vertical blowing mechanism 4 and the reciprocating driving mechanism 5. Waste gas waste heat is higher, through setting up heat preservation and inoxidizing coating, avoids the heat to scatter outward and influence all ring edge borders, avoids the staff mistake to touch the inlayer simultaneously and causes the damage.

The working principle is as follows: when waste gas carries out the denitration through the denitration room, start the solenoid valve through external control ware and make the gas blow pipe blow out high-pressure draught, the level of control drives actuating cylinder shrink motion simultaneously to drive vertical blast mechanism reciprocating motion, blow off the adnexed dust etc. in the through-hole on the denitration catalyst layer 2, thereby guarantee the denitration effect.

The above embodiment is the preferred embodiment of the present invention, which is only used to facilitate the explanation of the present invention, it is not right to the present invention, which makes the restriction on any form, and any person who knows commonly in the technical field can use the present invention to make the equivalent embodiment of local change or modification without departing from the technical features of the present invention.

Claims

1. The utility model provides a denitration device's soot blower, includes denitration chamber (1), denitration chamber (1) is inside to be provided with denitration catalyst layer (2) along the horizontal direction, and denitration catalyst layer (2) are gone up to have a plurality of through-holes along vertical direction equipartition, its characterized in that, be provided with protection network (3) in denitration chamber (1) of denitration catalyst layer (2) top, be provided with in denitration chamber (1) of protection network (3) top with denitration catalyst layer (2) on the through-hole relative vertical blast mechanism (4), vertical blast mechanism (4) are connected with reciprocal actuating mechanism (5).

2. The soot blower of a denitration apparatus according to claim 1, wherein the distance between the protective net (3) and the denitration catalyst layer (2) is 2-5 cm; an installation ring (6) is arranged on the inner wall of the denitration chamber (1) along the circumferential direction, and the protective net (3) is arranged on the inner hole of the installation ring (6).

3. The soot blower of a denitration apparatus according to claim 1, wherein the vertical blowing mechanism (4) is composed of a main air supply duct (4a) horizontally arranged at the middle part of the denitration chamber (1) along the length direction of the upper surface of the denitration catalyst layer (2), a plurality of flow dividing pipes (4b) arranged at intervals along the length direction of the main air supply duct (4a), and a plurality of air injection pipes (4c) uniformly distributed at intervals along the length direction of the flow dividing pipes (4b) and vertically facing the denitration catalyst layer (2); the distance between the air outlet end of the air injection pipe (4c) and the protective net (3) is 5-8 cm;

each shunt pipe (4b) is respectively vertical to the main air supply pipe (4a) and is horizontally arranged on the left side surface and the right side surface of the main air supply pipe (4a) in a pairwise opposite manner; one end of the main air supply pipe (4a) extends out of the denitration chamber (1) and is connected with an external compressed air source pipeline; and the reciprocating driving mechanism (5) is positioned outside the denitration chamber (1) and is connected with the main air supply pipe (4 a).

4. The soot blower of the denitration device as claimed in claim 3, wherein said reciprocating driving mechanism (5) comprises a mounting seat (5a) fixed on the outer wall of the denitration chamber (1) and a horizontal driving cylinder (5b) hinged with the mounting seat (5a) and fixedly connected with the main air supply pipe (4a), a support (5c) is arranged on the outer wall of the denitration chamber (1) below the main air supply pipe (4a), a supporting roller (5d) matched with the main air supply pipe (4a) is arranged on the support (5c), and a horizontal guiding mechanism (7) is arranged at the end of the main air supply pipe (4a) in the denitration chamber (1).

5. The sootblower of a denitration apparatus as claimed in claim 4, wherein said horizontal guide mechanism (7) is composed of a bracket (7a) disposed at the bottom of the main air supply duct (4a), moving wheels (7b) disposed at both ends of the bracket (7a) and opposed to the mounting ring (6), and a guide elongated slot (7c) disposed on the mounting ring (6) and fitted with the moving wheels (7 b).

6. The soot blower of the denitration device according to claim 1, wherein the denitration chamber (1) is composed of an inner layer (1a), a protective layer (1b) arranged at the periphery of the inner layer (1a) and an insulating layer (1c) clamped between the inner layer (1a) and the protective layer (1 b); and the protective layer (1b) and the heat preservation layer (1c) are provided with abdicating holes matched with the vertical blowing mechanism (4) and the reciprocating driving mechanism (5).