CN215175063U

CN215175063U - Nozzle mechanism for gas

Info

Publication number: CN215175063U
Application number: CN202120302139.7U
Authority: CN
Inventors: 周国平
Original assignee: Europa China Environmental Engineering Co ltd
Current assignee: Europa China Environmental Engineering Co ltd
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-12-14
Anticipated expiration: 2031-02-01

Abstract

The utility model relates to a gas nozzle group constructs the relevant technical field of structure, and discloses a nozzle mechanism for gas, including sealed cowling, threaded rod, gas ring, air cock sleeve pipe, air cock, seal cover and spray tube, the sealed cowling cup joints-inboard at the port of sealed cowling, and the threaded rod alternates on the end that is close to the sealed cowling has seal receptacle, sealed pad, lock sleeve and lock nut, and lock nut compresses tightly the terminal surface that compresses tightly at the seal receptacle through the lock sleeve with sealed the pad, and gas ring and air cock sleeve pipe one shot forming alternate on the threaded rod, and the air cock passes through seal cover and air cock sleeve pipe fixed connection, and four spacers are installed to the inboard annular array in port of air cock, and the terminal activity of threaded rod alternates between four spacers. This nozzle mechanism for gas for the air cock is effectively adjusted the spout distance of shower nozzle, is different from traditional nozzle structure, increases the suitability that gas nozzle installation was used, reduces nitrogen oxide's production and discharges.

Description

Nozzle mechanism for gas

Technical Field

The utility model relates to a gas nozzle constitutes the relevant technical field of structure, specifically is a nozzle mechanism for gas.

Background

The fuel gas is a general term for gas fuel, and can be combusted to release heat for residents and industrial enterprises. The variety of fuel gas is various, mainly including natural gas, artificial fuel gas, liquefied petroleum gas, marsh gas and coal gas, and the fuel gas supply industry of China starts late compared with developed countries, and the distributed fuel gas mainly includes three kinds of coal gas, liquefied petroleum gas and natural gas. The gas supply in China has increased substantially since the last 90 s. Wherein, after the supply of the artificial gas is greatly increased in 1990, the artificial gas is in a slow increasing stage due to the defects of high pollution, high toxicity and the like; the liquefied petroleum gas is influenced by the rising of the petroleum price, and the supply quantity is kept stable; compared with gasoline and diesel oil, the price of the natural gas with the same heat value is 30-50% lower, the natural gas has obvious economy, meanwhile, the country pays more and more attention to environmental protection, the market continuously increases the demand of clean energy, and the natural gas is used as clean, efficient and cheap energy, so that the consumption of the natural gas is rapidly developed.

The gas is generally sprayed out and combusted through the nozzle, but when the existing gas nozzle is used, more nitrogen oxides can be generated, so that the gas is insufficiently combusted, and the existing gas nozzle is single and fixed in structure and cannot be adjusted, so that the applicability of the nozzle in specific installation and use is reduced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a nozzle mechanism for gas has solved nozzle mechanism for gas and has produced more nitrogen oxide and the not adjustable problem of single structure.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a nozzle mechanism for gas, includes sealed cowling, threaded rod, gaseous ring, air cock sleeve pipe, air cock, seal cover and spray tube, the sealed cowling cup joints in the port inboard of sealed cowling, the threaded rod alternates on the end that is close to the sealed cowling has the seal receptacle, sealed pad, lock sleeve and lock nut, lock nut will seal the face that compresses tightly at the seal receptacle through the lock sleeve, gaseous ring and air cock sleeve pipe one shot forming and alternate on the threaded rod, the air cock passes through seal cover and air cock sleeve pipe fixed connection, four spacers are installed to the inboard annular array of port of air cock, the end activity of threaded rod alternates between four spacers, the negative pressure water conservancy diversion cover is installed to the end port of air cock, the end port of negative pressure water conservancy diversion cover is fixed to be pegged graft on the spray tube.

Preferably, press from both sides between seal cover and the air cock and be equipped with two high temperature resistant sealing washer, the guarantee air cock is when flexible adjustment, the cooperation leakproofness between seal cover and the air cock.

Preferably, the mid portion circulation internal diameter of air cock reduces, and the internal diameter reduction part of air cock is the toper changeover portion, and the toper changeover portion is the venturi awl, and the toper transition stage of air cock is for big internal diameter port in the one end that is close to the gas ring for the gas can produce great negative pressure adsorption effect in the venturi awl part through the air cock, makes the flue gas carry out effective hybrid combustion through the inner chamber and the gas of negative pressure water conservancy diversion cover induction nozzle.

Preferably, the negative pressure flow guide sleeve is annularly provided with a smoke flow guide hole, and the smoke flow guide hole is communicated with the inner cavity of the spray pipe.

Preferably, the threaded rod is located the gas ring and the outer one end of air cock sleeve for effective thread adjustment section for the threaded rod can effectively be adjusted the flexible length of air cock through lock nut.

Preferably, the spray tube is provided with the inclined plane at the terminal surface of keeping away from the seal cover, and the inclined end face of spray tube outwards for the gas is outwards sprayed as far as possible, and it is high to avoid gas combustion to concentrate local temperature, reduces nitrogen oxide's emission, and the air cock has the water conservancy diversion effect at the terminal surface that is close to the seal cover that the air cock is provided with the inclined plane of degree, to the leading-in flue gas of negative pressure water conservancy diversion cover.

Preferably, the outer diameter of one end of the threaded rod, which is positioned in the air nozzle sleeve, is smaller than the outer diameter of an effective threaded section of the threaded rod, and the minimum annular inner diameter formed by the four positioning sheets is equal to the outer diameter of the tail end of the threaded rod.

(III) advantageous effects

The utility model provides a nozzle mechanism for gas. The method has the following beneficial effects:

(1) this nozzle mechanism for gas, through setting up the seal receptacle, the lock sleeve, sealed pad, lock nut and threaded rod mutually support, when equipment uses, can rotate through the effective screw thread section end to the threaded rod, make the threaded rod impel through the lock nut internal thread meshing on the effective screw thread section, thereby make the end of screw rod promote the adjustment to the air cock through the spacer, thereby make the air cock effectively adjust the spout distance of shower nozzle, be different from traditional nozzle structure, increase the suitability of gas nozzle installation and use.

(2) This nozzle mechanism for gas sets up negative pressure water conservancy diversion cover between air cock and spray tube for negative pressure water conservancy diversion cover carries out the water conservancy diversion to external flue gas and adsorbs, increases the mixture between gas and the flue gas, thereby the produced nitrogen oxide of effectual reduction gas combustion produces, and the fitting end face gradient setting of air cock, increases the drainage effect of negative pressure water conservancy diversion cover, and the setting of the oblique terminal surface of spray tube avoids gas combustion local temperature to rise, reduces nitrogen oxide's production and discharges.

Drawings

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

In the figure: the device comprises a sealing cover 1, a threaded rod 2, an air ring 3, an air nozzle sleeve 4, an air nozzle 5, a sealing sleeve 6, a high-temperature-resistant sealing ring 7, a spray pipe 8, a negative pressure flow guide sleeve 9, a sealing seat 10, a locking sleeve 11, a sealing gasket 12, a locking nut 13 and a positioning sheet 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, the utility model provides a technical solution: a nozzle mechanism for gas comprises a sealing cover 1, a threaded rod 2, an air ring 3, an air nozzle sleeve 4, an air nozzle 5, a sealing sleeve 6 and a spray pipe 8, wherein the sealing cover 1 is sleeved on the inner side of a port of the sealing cover 1, a sealing seat 10, a sealing gasket 12, a locking sleeve 11 and a locking nut 13 are inserted into the end of the threaded rod 2 close to the sealing cover 1, the locking nut 13 tightly presses the sealing gasket 12 on the pressing end face of the sealing seat 10 through the locking sleeve 11, the air ring 3 and the air nozzle sleeve 4 are formed in one step and inserted into the threaded rod 2, the air nozzle 5 is fixedly connected with the air nozzle sleeve 4 through the sealing sleeve 6, four positioning pieces 14 are arranged in an annular array on the inner side of the port of the air nozzle 5, the tail end of the threaded rod 2 is movably inserted between the four positioning pieces 14, a negative pressure guide sleeve 9 is arranged on the tail end port of the air nozzle 5, the tail end port of the negative pressure guide sleeve 9 is fixedly inserted into the spray pipe 8, two high temperature resistant sealing rings 7 are clamped between the air nozzle 6 and the air nozzle 5, when the air faucet 5 is adjusted in a telescopic mode, the matching sealing performance between the sealing sleeve 6 and the air faucet 5 is guaranteed, the circulation inner diameter of the middle portion of the air faucet 5 is reduced, the inner diameter reduction portion of the air faucet 5 is a conical transition section which is a venturi cone, a large inner diameter port is formed at one end, close to the air ring 3, of the conical transition section of the air faucet 5, so that fuel gas can generate a large negative pressure adsorption effect at the venturi cone portion passing through the air faucet 5, smoke can be guided into an inner cavity of the spray pipe 8 through the negative pressure guide sleeve 9 to be effectively mixed and combusted with the fuel gas, the negative pressure guide sleeve 9 is annularly provided with a smoke guide hole, the smoke guide hole is communicated with the inner cavity of the spray pipe 8, the threaded rod 2 is an effective thread adjusting section at one end, located outside the air ring 3 and the air faucet sleeve 4, so that the threaded rod 2 can effectively adjust the telescopic length of the air faucet 5 through the locking nut 13, and the end face, far away from the seal sleeve 6, of the spray pipe 8 is provided with an inclined face, the inclined end face of spray tube 8 is outwards for the gas is outwards sprayed as far as possible, avoids gas combustion to concentrate local temperature high, reduces nitrogen oxide's emission, and air cock 8 is provided with 15 degrees inclined planes near the terminal surface of seal cover 6, has the water conservancy diversion effect to the leading-in flue gas of negative pressure water conservancy diversion cover 9, and threaded rod 2 is less than the effective screw thread section external diameter of threaded rod 2 at the one end external diameter that lies in air cock sleeve pipe 4, and the minimum annular internal diameter that four spacers 14 are constituteed equals the terminal external diameter of threaded rod 2.

To sum up, can obtain when equipment uses, can be through rotating the effective thread section end to threaded rod 2 for threaded rod 2 impels through 13 internal thread meshes of lock nut on the effective thread section, thereby makes the end of screw rod 2 promote the adjustment through spacer 14 to air cock 5, thereby makes air cock 5 effectively adjust the spout distance of shower nozzle 8.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a nozzle mechanism for gas, includes sealed cowling, threaded rod, gas ring, air cock sleeve pipe, air cock, seal cover and spray tube, its characterized in that: the sealed cowling cup joints the port inboard at the sealed cowling, the threaded rod has the seal receptacle in the interlude on the end that is close to the sealed cowling, sealed pad, lock sleeve and lock nut, lock nut will seal the terminal surface that compresses tightly at the seal receptacle through the lock sleeve, gaseous ring and air cock casing one shot forming alternate on the threaded rod, the air cock passes through seal sleeve and air cock casing fixed connection, four spacers are installed to the inboard annular array of port of air cock, the terminal activity interlude of threaded rod is between four spacers, negative pressure water conservancy diversion cover is installed to the terminal port of air cock, the terminal port of negative pressure water conservancy diversion cover is fixed to be pegged graft on the spray tube.

2. The gas burner nozzle device according to claim 1, wherein: two high-temperature-resistant sealing rings are clamped between the sealing sleeve and the air tap.

3. The gas burner nozzle device according to claim 1, wherein: the middle part circulation internal diameter of air cock reduces, and the internal diameter reduction part of air cock is the toper changeover portion, and the toper changeover portion is the venturi awl, and the toper transition stage of air cock is big internal diameter port in the one end that is close to the gas ring.

4. The gas burner nozzle device according to claim 1, wherein: the negative pressure flow guide sleeve is annularly provided with a smoke flow guide hole, and the smoke flow guide hole is communicated with the inner cavity of the spray pipe.

5. The gas burner nozzle device according to claim 1, wherein: and one end of the threaded rod outside the air ring and the air nozzle sleeve is an effective thread adjusting section.

6. The gas burner nozzle device according to claim 1, wherein: the spray tube is provided with the inclined plane at the terminal surface of keeping away from the seal cover, and the inclined end face of spray tube is outwards, and the air cock is provided with the inclined plane of degree at the terminal surface that is close to the seal cover.

7. The gas burner nozzle device according to claim 1, wherein: the outer diameter of one end of the threaded rod, which is positioned in the air nozzle sleeve, is smaller than the outer diameter of an effective threaded section of the threaded rod, and the minimum annular inner diameter formed by the four positioning pieces is equal to the outer diameter of the tail end of the threaded rod.