CN220818493U - Muffle furnace device with detachable spray gun - Google Patents

Abstract

The application relates to a muffle device with a detachable spray gun, comprising: a muffle furnace assembly; the spray gun assembly comprises a main pipe, a branch pipe and a spray head, wherein the first end of the branch pipe is detachably connected with the main pipe, the spray head is connected with the second end of the branch pipe, and the spray head is positioned in the muffle furnace assembly. The technical scheme of the application effectively solves the problems of high labor intensity and poor working environment of staff during the inspection and maintenance of the spray gun assembly in the prior art.

Description

Muffle furnace device with detachable spray gun

Technical Field

The application relates to the technical field of muffle furnace devices, in particular to a muffle furnace device with a detachable spray gun.

Background

In the process of drawing a pipeline, a natural gas combustion system of a muffle furnace working area has very important influence on the forming of the whole glass tube.

The existing muffle furnace spray gun system is designed into an integrated structure in order to ensure the uniformity of surrounding flames. This sacrifices convenience and safety to a great extent. For example, the lances of the muffle combustion system need to be cleaned and replaced on a regular basis. Because the working environment temperature is very high, the integral muffle furnace spray gun often needs two maintenance personnel and two operating personnel to operate, just can accomplish and change or clear up work.

Disclosure of utility model

The application provides a muffle furnace device with a detachable spray gun, which is used for solving the problems of high labor intensity and poor working environment of workers when a spray gun assembly in the prior art is inspected and maintained.

According to the application there is provided a muffle apparatus with a removable lance comprising: a muffle furnace assembly; the spray gun assembly comprises a main pipe, a branch pipe and a spray head, wherein the first end of the branch pipe is detachably connected with the main pipe, the spray head is connected with the second end of the branch pipe, and the spray head is positioned in the muffle furnace assembly.

Further, a short connecting pipe is arranged on the main pipe, an external thread is arranged at one end of the short connecting pipe far away from the main pipe, a sealing plate and a thread pressing sleeve are arranged at the first end of the branch pipe, the thread pressing sleeve is rotatably positioned at the outer part of the branch pipe, and the thread pressing sleeve is in sealing connection with the external thread; or the branch pipe is connected with the short connecting pipe through a quick connector.

Further, the main pipe comprises a buffer section, the buffer section is connected with the branch pipe, and the diameter of the buffer section is more than three times of that of the branch pipe.

Further, the branch pipe includes a plurality of, and a plurality of branch pipes are all linked together with the buffer section, and each branch pipe is set up with interval.

Further, the spray head is provided with a main spray hole and a plurality of side spray holes, wherein the main spray hole is positioned in the middle of the spray head, and the plurality of side spray holes are positioned around the main spray hole.

Further, the included angle between the axis of each side spray hole and the axis of the main spray hole is between 9 degrees and 25 degrees.

Further, the plurality of side spray holes are uniformly arranged around the spray head.

Further, the lance assembly includes a plurality of lance assemblies, each lance assembly being disposed at spaced intervals along the muffle assembly from top to bottom.

Further, the diameter of the diverging tube of the upper spray gun assembly is greater than the diameter of the diverging tube of the lower spray gun assembly.

Further, the muffle furnace device also comprises a temperature measuring assembly, wherein the temperature measuring assembly comprises a plurality of temperature sensors, and each temperature sensor is correspondingly arranged with each spray gun assembly.

By applying the technical scheme of the application, when the branched pipe and the spray head of the spray gun assembly are required to be maintained or replaced, the branched pipe is only required to be detached from the main pipe, and a worker is not required to enter a place with a severe working environment for maintenance or replacement, so that the labor intensity of the worker is greatly reduced, and the working environment is improved. The technical scheme of the application effectively solves the problems of high labor intensity and poor working environment of staff during the inspection and maintenance of the spray gun assembly in the prior art.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application.

In order to more clearly illustrate the embodiments of the application or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to a person skilled in the art that other drawings can be obtained from these drawings without inventive effort.

FIG. 1 shows a schematic view of a muffle apparatus with a removable lance according to an embodiment of the application;

FIG. 2 shows a schematic structural view of the lance assembly of the muffle apparatus of FIG. 1 with a removable lance;

fig. 3 shows a schematic view of the angle of the nozzle of the spray head of the spray gun assembly of fig. 1.

Wherein the above figures include the following reference numerals:

10. A muffle furnace assembly; 20. a spray gun assembly; 21. a main pipe; 211. a buffer section; 22. a branch pipe; 23. a spray head.

Detailed Description

It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.

It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

Spatially relative terms, such as "above … …," "above … …," "upper surface on … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations "above … …" and "below … …". The device may also be oriented 90 degrees or at other orientations and the spatially relative descriptors used herein interpreted accordingly.

As shown in fig. 1 to 3, a muffle apparatus with a detachable lance according to a first embodiment includes: muffle assembly 10 and lance assembly 20. The lance assembly 20 comprises a main pipe 21, a branch pipe 22 and a spray head 23, the first end of the branch pipe 22 is detachably connected with the main pipe 21, the spray head 23 is connected with the second end of the branch pipe 22, and the spray head 23 is positioned in the muffle assembly 10.

According to the technical scheme of the first embodiment, when the branched pipe 22 and the spray head 23 of the spray gun assembly 20 are required to be maintained or replaced, only the branched pipe 22 is required to be detached from the main pipe 21, and workers are not required to enter places with severe working environments for maintenance or replacement, so that the labor intensity of the workers is greatly reduced, and the working environment is improved. The technical scheme of the first embodiment effectively solves the problems of high labor intensity and poor working environment of staff during inspection and maintenance of the spray gun assembly in the prior art.

The muffle furnace is simple to operate and convenient to maintain, and a controllable chimney is arranged behind the muffle furnace. The method is suitable for chemical analysis of coal, coking products and chemical raw materials. Can be used in industries and departments of electric power, coal, papermaking, petrifaction, cement, agriculture and animal husbandry, medical scientific research, teaching and the like. Generally, the hearth is made of stainless steel plates, a heating and hot air circulation cavity is formed by surrounding, hot air flows in the hearth, and temperature uniformity is greatly improved. Because of the stirring of the hot air, the convection and soaking effects of the atmosphere in the hearth are enhanced. The hearth and the furnace frame are in a separated design, and the hearth is arranged on a bearing roller at the bottom of the furnace frame and can slide freely back and forth. When the hearth is heated, the hearth can be freely stretched along the length direction. In order to prevent the leakage of hot air in the hearth, the furnace door is designed with two layers of seals from inside to outside. The inner layer adopts a ceramic fiber rope sealing structure, the outer layer adopts a silicone rubber sealing ring for sealing, and a stainless steel cooling water jacket is designed at the sealing position of the hearth mouth for cooling in order to prolong the service life of the furnace. The door lock adopts a locking mechanism in a multi-point hand wheel rotation mode, and can uniformly lock the periphery of the door at the same time. In addition, the furnace door fixing device is arranged on the end face of the furnace chamber, and a movable double-hinge mechanism is adopted, so that the furnace door fixing device can move along with free extension of the furnace chamber, and the sealing effect is better. The top of the device is provided with an exhaust chimney for discharging a large amount of waste gas and smoke generated in the heating process, and the exhaust flow can be controlled by adjusting the handle through the air door. The control system is integrated on the furnace body. An intelligent program temperature controller is selected, and the temperature curve is adjusted by setting automatic control. The control amount is formed by linear combination, and the control object is controlled. The temperature controller receives the signal detected by the thermocouple and controls the power module. The fan is positioned at the rear part of the hearth, air is blown through the spiral case and the air channels at the two sides to pass through the heating element, the air enters the hearth horizontally after being heated to uniformly heat the workpiece, and then is sucked into the circulating fan through the air suction inlet at the rear part to be fully and circularly stirred.

As shown in fig. 1 and fig. 2, in the technical solution of the first embodiment, a main pipe 21 is provided with a short connecting pipe, one end of the short connecting pipe, which is far away from the main pipe 21, is provided with external threads, a first end of a branch pipe 22 is provided with a sealing plate and a threaded pressing sleeve, the threaded pressing sleeve is rotatably positioned outside the branch pipe 22, and the threaded pressing sleeve is in sealing connection with the external threads; or the branch pipe 22 is connected with the short connecting pipe through a quick connector. The structure is convenient to assemble and disassemble. It should be noted that the connection between the branch pipe 22 and the junction pipe needs to have a good sealing effect. The concrete structure of the thread pressing sleeve is a circular ring side wall and a bottom wall with a through hole, the circular ring side wall is provided with internal threads, the branch pipe 22 penetrates through the through hole, the bottom wall is propped against the sealing plate, and the internal threads of the circular ring side wall are connected with external threads.

As shown in fig. 2, in the technical solution of the first embodiment, the main pipe 21 includes a buffer section 211, the buffer section 211 is connected to the branch pipe 22, and the diameter of the buffer section 211 is more than three times the diameter of the branch pipe 22. The buffer section 211 thus corresponds to a buffer container, so that the air pressure in the entire buffer section 211 is relatively balanced, and thus when there are a plurality of branch pipes 22, the air pressure of each branch pipe 22 is the same.

As shown in fig. 2, in the first embodiment, the branch pipe 22 includes a plurality of branch pipes 22, and the plurality of branch pipes 22 are all connected to the buffer section 211, and the branch pipes 22 are disposed at intervals. The plurality of branch pipes 22 can work simultaneously, or some branch pipes 22 can be used, and some branch pipes 22 are reserved. The number of the branch pipes 22 in the first embodiment is three, and the three branch pipes 22 have two gaps, and the two gaps are the same.

As shown in fig. 3, in the first embodiment, the nozzle 23 has a main nozzle hole and a plurality of side nozzle holes, the main nozzle hole is located in the middle of the nozzle 23, and the plurality of side nozzle holes are located around the main nozzle hole. The main spray hole and the side spray holes of the structure are matched, so that the burning flame is better. In the prior art, only one main spray hole is adopted, so that the flame is stronger in a combustion mode.

As shown in fig. 3, in the technical solution of the first embodiment, the included angle a between the axis of each side nozzle and the axis of the main nozzle is between 9 ° and 25 °. The above-mentioned side nozzle and main nozzle have a good matching effect, and in the first embodiment, an included angle of 12 ° is adopted.

As shown in fig. 3, in the first embodiment, a plurality of side nozzles are uniformly arranged around the nozzle 23. The combustion flame is relatively uniform. In the first embodiment, the plurality of side injection holes are four side injection holes, and the central angle between the adjacent side injection holes is 90 °.

In the first embodiment, as shown in fig. 1, the spray gun assemblies 20 include a plurality of spray gun assemblies 20, and each spray gun assembly 20 is disposed at intervals from top to bottom along the muffle assembly 10. This ensures that the temperature within the muffle assembly 10 is satisfactory.

As shown in fig. 1, in the first embodiment, the diameter of the branched pipe 22 of the upper spray gun assembly 20 is larger than the diameter of the branched pipe 22 of the lower spray gun assembly 20. This is because the temperature in the muffle assembly 10 is controlled in a general manner, and the upper portion of the muffle assembly 10 is high, for example, 1100 to 1400 degrees celsius, and the lower portion is low, for example, 900 to 1100 degrees celsius.

In the first embodiment, the muffle furnace apparatus further includes a temperature measurement assembly including a plurality of temperature sensors, where each temperature sensor is disposed corresponding to each spray gun assembly 20. Whether the temperature in the muffle furnace assembly 10 meets the requirement can be monitored in real time through the setting of the temperature sensor, and if the temperature is too high or too low, the temperature can be adjusted by adjusting the air quantity of the spray gun assembly 20 and/or the pressure of the spray gun assembly 20.

The second embodiment differs from the first embodiment in that a valve is provided between each branch pipe 22 and the main pipe 21, and each branch pipe 22 is detachably connected to the valve by a quick connection or by a flange. Therefore, the quick connection is not required to be specially arranged, the effect of controlling the air quantity and the air pressure can be achieved through the arrangement of the valve, and the problem that each branch pipe is detachably connected can be solved. The gas amount and pressure of each branch pipe 22 are adjusted by adjusting the opening degree of the valve corresponding to each branch pipe 22.

The valve in the second embodiment is a manual valve, and is manually adjusted. The muffle apparatus with detachable lance of the second embodiment comprises: muffle assembly 10 and lance assembly 20. The lance assembly 20 comprises a main pipe 21, a branch pipe 22 and a spray head 23, the first end of the branch pipe 22 is detachably connected with the main pipe 21, the spray head 23 is connected with the second end of the branch pipe 22, and the spray head 23 is positioned in the muffle assembly 10.

By applying the technical scheme of the second embodiment, when the lateral pipe 22 and the spray head 23 of the spray gun assembly 20 are required to be maintained or replaced, only the lateral pipe 22 is required to be detached from the main pipe 21, and workers are not required to enter places with severe working environments for maintenance or replacement, so that the labor intensity of the workers is greatly reduced, and the working environment is improved. The technical scheme of the second embodiment effectively solves the problems of high labor intensity and poor working environment of staff during inspection and maintenance of the spray gun assembly in the prior art.

The third embodiment is different from the second embodiment in that the valve is an electromagnetic valve, the electromagnetic valve is electrically connected with the control structure, the temperature sensor is electrically connected with the control structure, the temperature collected by the temperature sensor is compared with the preset temperature in the control structure, the preset temperature is the interval temperature, and if the temperature collected by the temperature sensor is not in the interval range of the preset temperature, the control structure can automatically control the electromagnetic valve to adjust, so that the automation degree of the muffle furnace device is improved.

The muffle apparatus with detachable lance of the third embodiment comprises: muffle assembly 10 and lance assembly 20. The lance assembly 20 comprises a main pipe 21, a branch pipe 22 and a spray head 23, the first end of the branch pipe 22 is detachably connected with the main pipe 21, the spray head 23 is connected with the second end of the branch pipe 22, and the spray head 23 is positioned in the muffle assembly 10.

According to the technical scheme of the third embodiment, when the branched pipe 22 and the spray head 23 of the spray gun assembly 20 are required to be maintained or replaced, only the branched pipe 22 is required to be detached from the main pipe 21, and workers are not required to enter places with severe working environments for maintenance or replacement, so that the labor intensity of the workers is greatly reduced, and the working environment is improved. The technical scheme of the third embodiment effectively solves the problems of high labor intensity and poor working environment of workers in the process of checking and maintaining the spray gun assembly in the prior art.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the application described herein may be capable of being practiced otherwise than as specifically illustrated and described. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The above is only a preferred embodiment of the present application, and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. A muffle apparatus having a removable lance, comprising:

a muffle assembly (10);

spray gun assembly (20), spray gun assembly (20) include be responsible for (21), branch pipe (22) and shower nozzle (23), the first end of branch pipe (22) with be responsible for (21) detachably and be connected, shower nozzle (23) with the second end of branch pipe (22) links to each other, shower nozzle (23) are located in muffle furnace subassembly (10).

2. Muffle arrangement with a detachable lance according to claim 1, characterized in that the main pipe (21) is provided with a junction pipe, the junction pipe being provided with an external thread at the end remote from the main pipe (21), the first end of the branch pipe (22) being provided with a sealing plate and a threaded press sleeve, which is rotatably located outside the branch pipe (22), which is in sealing connection with the external thread; or the branch pipe (22) is connected with the short connecting pipe through a quick connector.

3. Muffle arrangement with a detachable lance according to claim 2, characterized in that the main pipe (21) comprises a buffer section (211), which buffer section (211) is connected to the branch pipe (22), the diameter of the buffer section (211) being more than three times the diameter of the branch pipe (22).

4. A muffle arrangement with a removable lance according to claim 3, wherein said branch pipe (22) comprises a plurality, a plurality of said branch pipes (22) each communicating with said buffer section (211), each said branch pipe (22) being arranged at a distance.

5. Muffle arrangement with removable lance according to claim 1, characterized in that the lance (23) has a main injection orifice and a plurality of side injection orifices, the main injection orifice being located in the middle of the lance (23) and the plurality of side injection orifices being located around the main injection orifice.

6. The muffle apparatus with removable lance of claim 5 wherein the axis of each side injection orifice is between 9 ° and 25 ° from the axis of the main injection orifice.

7. Muffle arrangement with removable lances according to claim 6, wherein a plurality of said side nozzles are evenly arranged around said nozzle (23).

8. Muffle apparatus with removable lances according to claim 1, wherein the lance assemblies (20) comprise a plurality, each lance assembly (20) being arranged at intervals from top to bottom along the muffle assembly (10).

9. Muffle arrangement with detachable lance according to claim 8, characterized in that the diameter of the branch pipe (22) of the lance assembly (20) in the upper part is larger than the diameter of the branch pipe (22) of the lance assembly (20) in the lower part.

10. The muffle apparatus with a detachable lance as set forth in claim 8, further comprising a temperature measurement assembly including a plurality of temperature sensors, each of the temperature sensors being disposed in correspondence with each of the lance assemblies (20).