CN213629076U

CN213629076U - RCO pipeline

Info

Publication number: CN213629076U
Application number: CN202022003841.1U
Authority: CN
Inventors: 涂玉燕
Original assignee: Fujian Luchi Environmental Technology Co ltd
Current assignee: Fujian Luchi Environmental Technology Co ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-07-06
Anticipated expiration: 2030-09-14

Abstract

The utility model relates to the field of heat storage combustion equipment, in particular to an RCO pipeline, which comprises a pipeline body, an air equalizing plate arranged on the pipeline body and an explosion-proof relief valve arranged at the rear part of the air equalizing plate, wherein the air equalizing plate comprises a circular plate, the middle part of the circular plate is bent towards one end far away from the inlet of the pipeline body, the middle part of the circular plate is provided with a vent hole, a support pipe is arranged on the vent hole towards the inlet of the pipeline body, a first conical cover is arranged on the support pipe, the bottom end of the first conical cover is close to the circular plate, the bottom end of the first conical cover is fixedly connected with the circular plate through a first support column, the first conical cover is provided with a first through hole, more than two communication holes are arranged between the circular plate and the first conical cover on the support pipe, the circular plate is provided with an air outlet, the support pipe, the air inlet pipe air equalizing device solves the technical problems that an air inlet pipe of an existing RCO heat accumulation catalytic device is poor in air equalizing effect, and pipelines are easy to damage.

Description

RCO pipeline

Technical Field

The utility model relates to a heat accumulation combustion apparatus field especially relates to a RCO pipeline.

Background

Chinese patent No.: CN201921738360.6 discloses an RCO catalytic combustion device, which belongs to the technical field of purification devices, an upper catalytic layer and a lower catalytic layer are fixedly installed in a device shell, an air inlet pipe is fixedly connected to the left side of the device shell, an adjusting seat is fixedly sleeved at the left end of the air inlet pipe, symmetrical connecting pipes are arranged on the side surface of the adjusting seat, the air inlet pipe and a short pipe are respectively and fixedly sleeved in the symmetrical connecting pipes, symmetrical air baffle plates are fixedly connected in the adjusting seat, large through holes and small through holes which are symmetrical are arranged on the surfaces of the air baffle plates, the adjusting seat has the function of adjusting the air inlet flow of waste gas and is convenient to operate, so that the waste gas can be fully combusted in the device shell, the waste gas purification quality of the combustion device is improved, and the arranged filter screen plate has the function of buffering and damping, so that the vibration force generated by the, thereby improving the installation stability of the filter screen plate. Which discloses the general structure of existing RCO catalytic combustion devices.

All be provided with the intake pipe on the current RCO heat accumulation catalytic unit, but often all directly let in gas, can make gas directly let in like this, lead to letting in speed too fast, can't realize evenly when letting in, lead to the heat accumulation effect relatively poor, heat accumulation efficiency is lower. And because directly let in gas on the intake pipe, when gaseous flow is great, and when stability is not strong, cause the gas explosion in the twinkling of an eye easily, cause the pipeline to be destruction.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is that current RCO heat accumulation catalytic unit's air-supply line department gas directly lets in, leads to letting in speed too fast, let in inhomogeneous to lead to the heat accumulation effect relatively poor, heat accumulation efficiency is lower, and the gas stability of input is not strong moreover, and the pipeline damages easily, provides an RCO pipeline from this.

In order to achieve the above purpose, the technical scheme of the utility model is that: an RCO pipeline comprises a pipeline body, an air equalizing plate arranged on the pipeline body, and an explosion-proof pressure relief valve arranged at the rear of the air equalizing plate, wherein the air equalizing plate comprises a circular plate fixedly connected with the pipeline body, the middle part of the circular plate is bent towards the end far away from the inlet of the pipeline body, the middle part of the circular plate is provided with a vent hole, a hollow supporting tube is arranged in the vent hole and extends towards the inlet of the pipeline body, a first conical cover is arranged on the supporting tube, the bottom end of the first conical cover is close to the circular plate, the bottom end of the first conical cover is fixedly connected with the circular plate through more than three first supporting columns, the first conical cover is provided with a positive integer number of first through holes, the supporting tube is provided with more than two communicating holes between the circular plate and the first conical cover, the circular plate is provided with a positive integer number of air outlet holes, and the free end of the supporting tube is provided with a, the explosion-proof relief valve comprises a lower shell and an upper shell, wherein the lower end of the upper shell is in threaded connection with the upper end of the lower shell, an air inlet is arranged in the middle of the bottom of the lower shell, a clamping ring is arranged at the upper end of the inner side of the lower shell, a diaphragm is arranged on the clamping ring, a pressing ring for pressing the diaphragm is arranged at the lower end of the inner side of the upper shell, a through hole is formed in the middle of the diaphragm, a lower mounting convex ring is arranged at the periphery of the through hole at the upper end of the diaphragm, a guide post which penetrates through the through hole and is sealed with the through hole is arranged at the upper end of the inner side of the upper shell, a ventilation groove is formed in the guide post, an upper mounting convex ring is arranged at the periphery of the guide post at the upper end of the inner side of the upper shell, a spring is connected between the upper mounting convex ring and the lower mounting convex ring and positioned on the outer side of the periphery of, the exhaust pipe is provided with an exhaust cap, an exhaust channel communicated with the exhaust hole and the outside atmosphere is arranged in the exhaust cap, and when the spring is in a relaxed state, the through hole is positioned below the ventilation groove.

Preferably, a second conical cover is further arranged on the supporting tube and between the first conical cover and the conical end cover, a positive integer of second through holes are formed in the second conical cover, the diameter of the bottom end of the second conical cover is smaller than that of the bottom end of the first conical cover, and the bottom end of the second conical cover is fixedly connected with the first conical cover through more than three second supporting columns.

Preferably, a third conical cover is further arranged between the second conical cover and the conical end cover on the supporting tube, a positive integer of third through holes are formed in the third conical cover, the diameter of the bottom end of the third conical cover is smaller than that of the bottom end of the second conical cover, and the bottom end of the third conical cover is fixedly connected with the second conical cover through more than three third supporting columns.

Preferably, the number of the third through holes, the number of the second through holes and the number of the first through holes are sequentially increased.

Preferably, the circumference outside of the lower shell is provided with a mounting thread for mounting.

Preferably, the clamping ring is provided with a clamping recess, and the valve is provided with a valve projection matched with the clamping recess.

Preferably, a recessed portion is provided on an outer circumferential side of the exhaust pipe, and the exhaust cap is fastened to the recessed portion in a compression deformation manner.

The technical scheme has the following beneficial effects: this scheme is through the setting of circular slab, first toper cover, stay tube, first support column, toper end cover, and the gas that can realize getting into obtains effectual evenly distributed, can realize the effective control of air inlet speed moreover, also is the even to air inlet speed in fact. And because the middle part of the circular plate is bent towards the inlet end far away from the pipeline body, the uniformity of the inlet air can be enhanced. And the intercommunicating pore of the supporting tube can make the inlet air enter from between the two first supporting columns, pass through the intercommunicating pore and run out from the vent hole. Through the setting of last casing, lower casing, lamella, when can be so that the gas explosion, gaseous roof pressure lamella to make lamella compression spring rise, thereby make the lamella exceed the ventilation groove on the guide pillar, thereby make casing intercommunication go up the casing down, thereby make gaseous by casing entering last casing down, then gaseous by last casing entering exhaust hole, then run out from the exhaust cap, realize exhausting. When the gas is stably conveyed, the top pressure of the spring enables the valve to be lower than the ventilation groove, and the gas is prevented from escaping. And because the internal buffer memory cavity that is equipped with of inferior valve, can have gas in this cavity to when guaranteeing the gas explosion, gas can be earlier through buffer memory cavity, and then roof pressure lamella makes the area of lamella can enlarge, guarantees the stability that pushes away. And the arrangement of the upper mounting convex ring and the lower mounting convex ring can ensure the stability of the spring. The upper shell and the lower shell are in threaded connection, so that the installation and the replacement of the valve can be effectively realized. The clamping ring and the pressing ring are arranged, so that the effective clamping of the valve can be realized, and the stability of the valve is ensured. The second conical cover and the third conical cover can form a step-shaped guide, so that effective air equalization is realized. Convenient installation can be realized to the installation screw thread. The clamping recess and the flap protrusion are arranged, so that the clamping stability of the flap can be effectively realized. The setting of depressed part, and the exhaust cap fastens on the depressed part through compression deformation's mode, and the exhaust cap can produce the expansion when the air current impact force is great to directly break away from the blast pipe, thereby realize exhausting. The exhaust cap can be made of metal with lower hardness, such as aluminum, so that effective expansion is realized, and emergency exhaust is realized.

Drawings

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

FIG. 2 is a structural schematic view of a structural section of the air-equalizing plate;

FIG. 3 is a schematic diagram of the right side view of FIG. 2;

FIG. 4 is a schematic cross-sectional structural view of the explosion-proof relief valve matched with the pipeline body;

FIG. 5 is a schematic view of the structure of the guide post engaging the petals;

FIG. 6 is a schematic diagram of a top view structure of the explosion-proof pressure relief valve;

fig. 7 is an enlarged view at a in fig. 4.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 7, the embodiment provides an RCO pipeline, including a pipeline body 1, an air-equalizing plate 2 disposed on the pipeline body 1, and an explosion-proof relief valve 3 disposed behind the air-equalizing plate 2, where the air-equalizing plate 2 includes a circular plate 21 fixedly connected to the pipeline body 1, and the circular plate 21 is connected to the pipeline body 1 through a fixing member 11. The middle part of circular slab 21 is crooked to the import one end of keeping away from pipeline body 1, the middle part of circular slab 21 is equipped with ventilation hole 212, go up to pipeline body 1's import direction extension in ventilation hole 212 and be equipped with hollow stay tube 22, be equipped with first toper cover 23 on stay tube 22, the bottom of first toper cover 23 is close to circular slab 21, it is fixed continuous through first support column 232 more than three between the bottom of first toper cover 23 and the circular slab 21, be equipped with a positive integer first through-hole 231 on the first toper cover 23, it is equipped with the intercommunicating pore 21 more than two to lie in between circular slab 21 and the first toper cover 23 on the stay tube 22, be equipped with a positive integer a tuber outlet 211 on the circular slab 21, be equipped with toper end cover 24 on the free end of stay tube 22.

A second conical cover 25 is further arranged on the support tube 22 between the first conical cover 23 and the conical end cover 24, a positive integer of second through holes 251 are arranged on the second conical cover 25, the bottom end diameter of the second conical cover 25 is smaller than that of the first conical cover 23, and the bottom end of the second conical cover 25 is fixedly connected with the first conical cover 23 through more than three second support columns 252. A third conical cover 26 is further arranged on the support tube 22 between the second conical cover 25 and the conical end cover 24, a positive integer of third through holes 261 are formed in the third conical cover 26, the bottom end diameter of the third conical cover 26 is smaller than that of the second conical cover 25, and the bottom end of the third conical cover 26 is fixedly connected with the second conical cover 25 through more than three third support columns 262.

The numbers of the third through holes 261, the second through holes 251 and the first through holes 231 are sequentially increased.

The explosion-proof relief valve 3 comprises a lower shell 31 and an upper shell 32, wherein the lower end of the upper shell 31 is in threaded connection with the upper end of the lower shell 32, an air inlet 311 is arranged in the middle of the bottom of the lower shell 31, a clamping ring 312 is arranged at the upper end of the inner side of the lower shell 31, a diaphragm 33 is arranged on the clamping ring 312, a pressing ring 321 for pressing the diaphragm 33 is arranged at the lower end of the inner side of the upper shell 32, a through hole 331 is arranged in the middle of the diaphragm 33, a lower mounting convex ring 332 is arranged at the upper end of the diaphragm 33 at the periphery of the through hole 331, a guide post 34 which passes through the through hole 331 and is sealed with the through hole 331 is arranged at the upper end of the inner side of the upper shell 32, an air vent groove 341 is arranged on the guide post 34, an upper mounting convex ring 322 is arranged at the periphery of the guide post 34 at the upper end of the inner side of the upper shell 32, a spring 35 is connected between the upper, the upper end of the upper casing 32 is provided with more than one vent hole 323, the upper casing 32 is provided with a vent pipe 324 extending upwards from the vent hole 323, the vent pipe 324 is provided with a vent cap 36, the vent cap 36 is provided with a vent passage 361 communicating the vent hole 323 with the outside atmosphere, and when the spring 35 is in a relaxed state, the through hole 331 is located below the vent groove 341. The lower shell 31 is provided with mounting threads 313 on the outer circumferential side for mounting. The clamping ring 312 is provided with a clamping recess 3121, and the flap 33 is provided with a flap protrusion matching with the clamping recess 3121. A recessed portion 3241 is provided on the outer circumferential side of the exhaust pipe 324, and the exhaust cap 36 is fastened to the recessed portion by compression deformation.

The directions of arrows in fig. 1 are the intake direction and the gas flow direction. The above-mentioned every part material can adopt the steel plate, wherein the material of the lamella can be rubber, the material of the exhaust cap can be aluminium.

The above is only a preferred embodiment of the present invention, and all changes that can be made by those skilled in the art according to the appended claims will fall within the scope of the present invention.

Claims

1. An RCO pipe, characterized by: the anti-explosion pressure relief valve comprises a pipeline body, an air equalizing plate arranged on the pipeline body and an anti-explosion pressure relief valve arranged at the rear of the air equalizing plate, wherein the air equalizing plate comprises a circular plate fixedly connected with the pipeline body, the middle part of the circular plate is bent towards one end far away from the inlet of the pipeline body, the middle part of the circular plate is provided with a vent hole, a hollow supporting tube is arranged in the vent hole in an extending way towards the inlet of the pipeline body, a first conical cover is arranged on the supporting tube, the bottom end of the first conical cover is close to the circular plate, the bottom end of the first conical cover is fixedly connected with the circular plate through more than three first supporting columns, the first conical cover is provided with a positive integer number of first through holes, the supporting tube is provided with more than two communicating holes between the circular plate and the first conical cover, the circular plate is provided with a positive integer number of air outlet holes, and the, the explosion-proof relief valve comprises a lower shell and an upper shell, wherein the lower end of the upper shell is in threaded connection with the upper end of the lower shell, an air inlet is arranged in the middle of the bottom of the lower shell, a clamping ring is arranged at the upper end of the inner side of the lower shell, a diaphragm is arranged on the clamping ring, a pressing ring for pressing the diaphragm is arranged at the lower end of the inner side of the upper shell, a through hole is formed in the middle of the diaphragm, a lower mounting convex ring is arranged at the periphery of the through hole at the upper end of the diaphragm, a guide post which penetrates through the through hole and is sealed with the through hole is arranged at the upper end of the inner side of the upper shell, a ventilation groove is formed in the guide post, an upper mounting convex ring is arranged at the periphery of the guide post at the upper end of the inner side of the upper shell, a spring is connected between the upper mounting convex ring and the lower mounting convex ring and positioned on the outer side of the periphery of, the exhaust pipe is provided with an exhaust cap, an exhaust channel communicated with the exhaust hole and the outside atmosphere is arranged in the exhaust cap, and when the spring is in a relaxed state, the through hole is positioned below the ventilation groove.

2. An RCO pipe according to claim 1, wherein: still be equipped with second conical cover on the stay tube between first conical cover and the toper end cover, second conical cover is last to be equipped with a positive integer number second through-hole, the bottom diameter of second conical cover is less than the bottom diameter of first conical cover, the bottom of second conical cover and first conical cover between link to each other through the second support column more than three is fixed.

3. An RCO pipe according to claim 2, wherein: still be equipped with the third toper cover on the stay tube between second toper cover and the toper end cover, be equipped with a positive integer number third through-hole on the third toper cover, the bottom diameter of third toper cover is less than the bottom diameter of second toper cover, the bottom of third toper cover and second toper cover are fixed continuous through the third support column more than three.

4. An RCO pipe according to claim 3, wherein: the number of the third through holes, the number of the second through holes and the number of the first through holes are sequentially increased.

5. An RCO pipe according to any one of claims 1 to 4, wherein: and the outer side of the circumference of the lower shell is provided with mounting threads for mounting.

6. An RCO pipe according to any one of claims 1 to 4, wherein: the clamping ring is provided with a clamping recess, and the valve is provided with a valve projection matched with the clamping recess.

7. An RCO pipe according to any one of claims 1 to 4, wherein: the exhaust pipe is characterized in that a concave part is arranged on the outer side of the circumference of the exhaust pipe, and the exhaust cap is fastened on the concave part in a compression deformation mode.