CN215465307U

CN215465307U - Water-cooling air atomization spray gun

Info

Publication number: CN215465307U
Application number: CN202121483270.4U
Authority: CN
Inventors: 邓鸿儒
Original assignee: Guangzhou Honghu Precision Technology Co ltd
Current assignee: Guangzhou Honghu Precision Technology Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2022-01-11
Anticipated expiration: 2031-06-30

Abstract

The utility model discloses a water-cooling air atomization spray gun, which comprises a gas pipe and a liquid pipe, wherein a splicing hole is formed in the middle of the liquid pipe in a penetrating mode, the gas pipe is spliced in the splicing hole, liquid through pipes are arranged on the front side and the rear side of the liquid pipe in a penetrating mode, an atomization spray head is movably spliced at the end part of the liquid pipe, a liquid conveying port is formed in the end part of the liquid pipe in a communicating mode, a gas conveying port is formed in the end part of the gas pipe in a communicating mode, a cooling mechanism capable of cooling the liquid pipe is arranged on the outer wall of the liquid pipe, and compared with the prior art, the water-cooling air atomization spray gun can be used in a high-temperature severe environment and can be used for preventing the atomization spray gun from being burnt out and blocked.

Description

Water-cooling air atomization spray gun

Technical Field

The utility model relates to the field of atomizing spray gun equipment, in particular to a water-cooling air atomizing spray gun.

Background

The SNCR denitration technology is suitable for CFB boilers. According to the SNCR denitration technology, a denitration reducing agent is sprayed into high-temperature flue gas in a hearth or other parts without adding a catalyst, and the denitration reducing agent and NOX are subjected to selective reduction reaction, and the products are H2O and N2, so that the aim of reducing the NOX emission is fulfilled.

The spray gun is one of the core equipment of SNCR deNOx systems, and the stability of spray gun performance is the key of guaranteeing that reductant aqueous solution and flue gas intensive mixing. At present, the existing spray guns applied to the SNCR denitration system mainly comprise the following spray guns: mechanical atomizing spray guns, air atomizing spray guns, and the like. This type of lance is generally suitable for use in low temperature, low ash concentration environments or in high temperature, low dust concentration environments. When the SNCR denitration system is applied to a CFB boiler, the external use environment is extremely severe, the environment is high-temperature, high-flow-rate and high-ash-concentration, the reducing agent solution has alkaline corrosivity, and a common spray gun is used under the condition and is easy to burn out and block, so that resistance is increased, the flow of the spray nozzle is changed, the atomization mixing effect is poor, the denitration efficiency is reduced, the ammonia escape amount is increased, and the like. The utility model overcomes the defects of easy burnout, easy blockage and the like of the common spray gun in the use process, effectively improves the stability of the spray gun and prolongs the service life of the spray gun.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a water-cooling air atomization spray gun.

In order to achieve the purpose, the utility model adopts the following scheme:

the utility model provides a water-cooling air atomizing spray gun, is including gas-supply pipe and transfer line run through in the middle part of the transfer line and be equipped with the spliced eye, the gas-supply pipe is pegged graft in the spliced eye both sides are run through and are equipped with liquid pipe around the transfer line the activity of transfer line tip is pegged graft and is had atomizer transfer line tip intercommunication is equipped with the transfusion mouth gas-supply pipe tip intercommunication is equipped with the gas transmission mouth the transfer line outer wall is equipped with and carries out refrigerated cooling body to the transfer line.

Furthermore, atomizer is including setting up at the left atomization plate of atomizer run through on the atomization plate and be equipped with a plurality of gas outlets the atomizer right side is fixed with the interface be equipped with the sealing ring on the interface, the interface passes through the sealing ring and pegs graft in the transfer line.

Further, cooling body is including connecting a plurality of rings of leading to water of fixing at the transfer line outer wall, and both sides intercommunication has the connecting pipe around a plurality of rings of leading to water both sides are equipped with the water service channel that can feed through the connecting pipe respectively around the atomizer the atomizer left side is equipped with annular water course, annular water course and water service channel intercommunication atomizer below intercommunication annular water course is equipped with the L venturi tube, and the ring below intercommunication of leading to water on right side is equipped with the connecting pipe that can connect the cooling water the intercommunication is equipped with communicating pipe between connecting pipe and the L venturi tube.

Preferably, the front side and the rear side of the atomizing nozzle close to the water passage are provided with passages which can be communicated with the liquid passing pipe.

Preferably, a check valve is arranged in the connecting pipe.

Preferably, insertion rods are fixed on the upper side and the lower side of the left end part of the infusion tube, insertion grooves are formed in the upper side and the lower side of the atomization tube, and the insertion rods are movably inserted in the insertion grooves.

In summary, compared with the prior art, the utility model has the beneficial effects that:

by adopting the technology, when a user uses the atomization spray gun, the original agent aqueous solution is communicated with the liquid through port by the user, the air pump is communicated with the air delivery port, at the same time, the original agent aqueous solution is delivered into the infusion tube through the liquid through port, and the gas generated by the air pump is delivered into the air delivery tube through the air delivery port, so that the original agent aqueous solution is sprayed into the atomization nozzle by the gas generated by the air pump for atomization.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is an exploded view of the present invention.

FIG. 3 is one of the semi-sectional views of the present invention.

FIG. 4 is a second half-sectional view of the present invention.

FIG. 5 is an enlarged view taken at A-1 of FIG. 4 according to the present invention.

FIG. 6 is an enlarged view taken at A-1 of FIG. 3 according to the present invention.

Description of reference numerals: 1. a gas delivery pipe; 2. a transfusion tube; 3. inserting holes; 4. a liquid pipe is communicated; 5. an atomizing spray head; 6. transfusion; 7. a gas transmission port; 100. a cooling mechanism; 51. an atomization plate; 52. an air outlet; 53. an interface; 54. a seal ring; 101. a water-through ring; 102. a connecting pipe; 103. a water passage; 104. an annular water channel; 105. an L-shaped tube; 106. a communicating pipe; 107. connecting pipes; 1031. a channel; 1021. a one-way valve; 21. a plug rod; 22. and (4) inserting grooves.

Detailed Description

The following detailed description provides many different embodiments or examples for implementing the utility model. Of course, these are merely embodiments or examples and are not intended to be limiting. In addition, repeated reference numbers, such as repeated numbers and/or letters, may be used in various embodiments. These iterations are for simplicity and clarity of describing the present invention and are not intended to represent a particular relationship between the various embodiments and/or configurations discussed.

The utility model will be further described with reference to the following description and embodiments in conjunction with the accompanying drawings:

as shown in fig. 1 to 6, a water-cooling air atomization spray gun comprises a gas pipe 1 and a liquid pipe 2, insertion rods 21 are fixed on the upper and lower sides of the left end of the liquid pipe 2, insertion grooves 22 are arranged on the upper and lower sides of atomization, the insertion rods 21 are movably inserted into the insertion grooves 22, an insertion hole 3 is arranged in the middle of the liquid pipe 2 in a penetrating manner, the gas pipe 1 is inserted into the insertion hole 3, liquid passing pipes 4 are arranged on the front and rear sides of the liquid pipe 2 in a penetrating manner, an atomization nozzle 5 is movably inserted into the end of the liquid pipe 2, a liquid conveying port 6 is arranged in the end of the liquid pipe 2 in a communicating manner, the atomization nozzle 5 comprises an atomization plate 51 arranged on the left side of the atomization nozzle 5, a plurality of gas outlets 52 are arranged in the atomization plate 51 in a penetrating manner, an insertion port 53 is fixed on the right side of the atomization nozzle 5, a sealing ring 54 is arranged on the insertion port 53, the insertion port 53 passes through the sealing ring 54 in the

liquid pipe

2, 1 tip intercommunication of gas-supply pipe is equipped with gas transmission mouth 7 the 2 outer walls of transfer line are equipped with and carry out refrigerated cooling body 100 to transfer line 2, when the user uses atomizing spray gun, with former agent aqueous solution and logical liquid mouth 6 intercommunication through the user, simultaneously with air pump and gas transmission mouth 7 intercommunication, former agent aqueous solution carries the transfer line 2 through logical liquid mouth 6 this moment in, the gas that the air pump produced carries gas-supply pipe 1 through gas transmission mouth 7, make the gas that the air pump produced spray former agent aqueous solution to atomizer 5 in atomize, atomizer when the operation, former agent aqueous solution sprays to atomizing plate 51 through the cylinder and atomizes, former agent aqueous solution after atomizing simultaneously passes through gas outlet 52 and discharges, atomizer installs at transfer line 2 tip through interface 53, interface 53 seals through sealing ring 54, the spray gun is at high temperature, the high velocity of flow, When the high ash concentration environment uses, cool off transfer line 2 through cooling body 100, compare prior art, can make the atomizing spray gun use in the abominable environment of high temperature, place atomizing spray gun burn out, block up.

The cooling mechanism 100 of the utility model comprises a plurality of water-through rings 101 connected and fixed on the outer wall of the infusion tube 2, connecting tubes 102 are communicated with the front and the back sides of the plurality of water-through rings 101, water-through channels 103 capable of being communicated with the connecting tubes 102 are respectively arranged on the front and the back sides of the atomizer 5, passages 1031 capable of being communicated with the liquid-through tubes 4 are arranged on the front and the back sides of the atomizer 5 adjacent to the water-through channels 103, an annular water channel 104 is arranged on the left side of the atomizer 5, the annular water channel 104 is communicated with the water-through channels 103, an L-shaped tube 105 is arranged below the atomizer 5 and communicated with the annular water channel 104, a connecting tube 107 capable of being connected with cooling water is arranged below the water-through ring 101 on the right side, a one-way valve 1021 is arranged in the connecting tube 107, a communicating tube 106 is arranged between the connecting tube 107 and the L-shaped tube 105, the connecting tube 107 is connected with the cooling water by a user, and the cooling water is conveyed into the water-through the connecting tube 107 and the water-through the connecting ring 101, meanwhile, the cooling water is placed to flow backwards through the check valve 1021 in the connecting pipe 107, the cooling water continues to move towards the annular water channel 104 through the connecting pipe 102, finally the cooling water is conveyed to the connecting pipe 106 through the L-shaped pipe 105, and the cooling water in the connecting pipe 106 flows back to the connecting pipe 107.

While there have been shown and described the fundamental principles and principal features of the utility model and advantages thereof, it will be understood by those skilled in the art that the utility model is not limited by the embodiments described above, which are given by way of illustration of the principles of the utility model, but is susceptible to various changes and modifications without departing from the spirit and scope of the utility model as defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a water-cooling air atomizing spray gun which characterized in that: including gas-supply pipe (1) and transfer line (2) run through in the middle part of transfer line (2) and be equipped with spliced eye (3), gas-supply pipe (1) is pegged graft in spliced eye (3) both sides are run through and are equipped with logical liquid pipe (4) around transfer line (2) the activity of transfer line (2) tip is pegged graft and is had atomizer (5) transfer line (2) tip intercommunication is equipped with infusion mouth (6) gas-supply pipe (1) tip intercommunication is equipped with gas transmission mouth (7) transfer line (2) outer wall is equipped with can carry out refrigerated cooling body (100) to transfer line (2).

2. The water-cooling air atomizing spray gun of claim 1, characterized in that the atomizing spray head (5) includes an atomizing plate (51) disposed on the left side of the atomizing spray head (5), a plurality of air outlets (52) are provided on the atomizing plate (51) in a penetrating manner, a socket (53) is fixed on the right side of the atomizing spray head (5), a sealing ring (54) is provided on the socket (53), and the socket (53) is inserted into the infusion tube (2) through the sealing ring (54).

3. The water-cooling air atomizing spray gun according to claim 2, characterized in that said cooling mechanism (100) includes a plurality of water-passing rings (101) connected and fixed to the outer wall of the liquid transport tube (2), connecting tubes (102) are connected to the front and rear sides of the plurality of water-passing rings (101), water-passing channels (103) capable of being connected to the connecting tubes (102) are respectively provided to the front and rear sides of the atomizing nozzle (5), an annular water channel (104) is provided to the left side of the atomizing nozzle (5), the annular water channel (104) is connected to the water-passing channels (103), an L-shaped tube (105) is provided to the annular water channel (104) connected to the lower side of the atomizing nozzle (5), a connecting tube (107) capable of being connected to cooling water is provided to the lower side of the water-passing ring (101) on the right side, and a connecting tube (106) is provided to the connecting tube (107) and the L-shaped tube (105).

4. A water-cooled air atomising lance as claimed in claim 3, characterised in that passages (1031) are provided adjacent the water passage (103) at the front and rear sides of the atomising nozzle (5) to communicate with the liquid conduit (4).

5. A water-cooled air atomising spray gun as claimed in claim 4, in which the connecting tube (107) is provided with a one-way valve (1021).

6. The water-cooled air atomizing spray gun according to claim 1, characterized in that insertion rods (21) are fixed on the upper and lower sides of the left end of the infusion tube (2), insertion grooves (22) are arranged on the upper and lower sides of the atomization, and the insertion rods (21) are movably inserted in the insertion grooves (22).