CN215693812U

CN215693812U - Distributor of easy dismouting distribution head

Info

Publication number: CN215693812U
Application number: CN202122308540.4U
Authority: CN
Inventors: 阴启建; 张翠红
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-02-01
Anticipated expiration: 2031-09-23

Abstract

The utility model discloses a distributor with an easily-detachable distribution head, which belongs to the technical field of fluid distributors and comprises distribution pipes, wherein through holes are formed in the distribution pipes at intervals, and the distribution pipe at each through hole is provided with one distribution head; the distribution head comprises a first connecting pipe, a pore plate, a second connecting pipe and a sprayer which are connected in sequence, the first end of the first connecting pipe is fixed on the distribution pipe, the pore plate is blocked at the second end of the first connecting pipe, the first end of the second connecting pipe is fixed at the edge of the pore plate, and the second connecting pipe is detachably connected with the sprayer. According to the distributor of the distribution head easy to assemble and disassemble, provided by the utility model, fluid is firstly distributed through the through holes on the pore plate for one time and then is sprayed out from the spray holes on the spray head, so that the distribution atomization efficiency is improved; the pore plate has high strength and strong pressure resistance. The spray head can be detached to be cleaned and washed clean and then reused, the advantages of convenient assembly and disassembly, convenient replacement and maintenance are achieved, and the whole service life of the distributor is prolonged.

Description

Distributor of easy dismouting distribution head

Technical Field

The utility model relates to a distributor with an easily-detachable distribution head, and belongs to the technical field of fluid distributors.

Background

At present, methods such as a direct esterification method, a methanol carbonylation method, a methanol dehydrogenation method and the like are available for generating methyl formate. Among them, the methanol carbonylation method has high utilization rate of raw materials, almost no by-products, low production cost, and raw material CO can come from various waste gases, thus becoming the main method for producing methyl formate on a large scale which is widely adopted at present. In the process of preparing methyl formate by methanol carbonylation, methanol and CO are subjected to homogeneous phase reaction at 90 +/-5 ℃ and 2-4 MPa in the presence of sodium methoxide or potassium methoxide, and CO gas enters a distributor in a reactor and is uniformly dispersed by a distribution head on the distributor to be fully mixed and contacted with liquid-phase methanol for reaction.

The distributing head on the present distributor is usually composed of a straight pipe connected to the distributor, and a microporous silk screen and a pore plate connected to the end of the straight pipe, and is found in the using process: the pore plate is easy to corrode in the reactor, and the pore diameter of the through hole is increased after the pore plate is corroded, so that the distribution efficiency is reduced or fails; secondly, the pore plate is matched with the microporous silk screen to achieve the distribution atomization effect, so that the outer surface of the through hole on the pore plate is easy to structure, and the through hole on the pore plate is easy to be blocked by scaling substances; and the micropore silk screen is easy to damage due to the fact that the introduction pressure of CO is high, and the micropore silk screen or the micropore plate cannot be maintained, cleaned and replaced independently after the micropore plate is blocked because the distribution head is directly welded with the distribution pipe in the existing distributor in a sealing mode, so that the distributor can only be replaced integrally, equipment cost is increased, and the maintenance period is prolonged.

The above description is included in the technical recognition scope of the inventors, and does not necessarily constitute the prior art.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides the distributor with the easily-detachable distribution head, the spray head can be detached, cleaned and washed clean and then reused, the distributor has the advantages of convenience in mounting and dismounting and convenience in replacement and maintenance, and the whole service life of the distributor is prolonged.

The utility model adopts the following technical scheme to realize the purpose:

a distributor with easily-detachable distribution heads comprises distribution pipes, through holes are formed in the distribution pipes at intervals, a distribution head is arranged on each distribution pipe at each through hole, and fluid in each distribution pipe enters the distribution heads through the through holes and is uniformly sprayed out of the distribution heads;

the distribution head comprises a first connecting pipe, a pore plate, a second connecting pipe and a sprayer which are connected in sequence, the first end of the first connecting pipe is fixed on the distribution pipe, the pore plate is blocked at the second end of the first connecting pipe, the first end of the second connecting pipe is fixed at the edge of the pore plate, and the second connecting pipe is detachably connected with the sprayer.

Optionally, the aperture of the through hole on the orifice plate is smaller than the aperture of the spray hole on the spray head.

Optionally, the end surface of the nozzle is provided with a nozzle hole.

Furthermore, the outer circumferential surface of the spray head is also provided with spray holes.

Optionally, the spray head has a spherical end face.

Specifically, the first end of the first connecting pipe is welded and fixed with the distribution pipe, the pore plate is welded and fixed with the second end of the first connecting pipe, and the first end of the second connecting pipe is welded and fixed with the edge of the pore plate.

Specifically, the second connecting pipe is in threaded connection with the spray head.

More specifically, the second connecting pipe is provided with the internal thread, the shower nozzle is provided with the external screw thread, the second connecting pipe passes through internal thread and external screw thread cooperation with the shower nozzle and is connected.

The beneficial effects of the utility model include but are not limited to:

the distributor of the distribution head easy to assemble and disassemble provided by the utility model is characterized in that the distribution head is composed of a first connecting pipe, a pore plate, a second connecting pipe and a spray head which are sequentially connected, wherein (1) the pore plate is blocked at the second end of the first connecting pipe, and after entering the first connecting pipe from the distribution pipe, fluid is firstly distributed through a through hole on the pore plate and then sprayed out from spray holes on the spray head, so that the distribution atomization efficiency is improved; the pore plate has high strength, is not easy to be damaged by fluid pressure impact and has strong pressure resistance. (2) The shower nozzle can be dismantled with the second connecting pipe and be connected, can dismantle the clearance with the shower nozzle and wash used repeatedly behind the clean, has the installation and dismantles convenient, change and overhaul convenient advantage, has improved the whole life of distributor, reduces use cost.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic structural view of a distributor of an easy-to-disassemble distribution head according to the present invention;

FIG. 2 is an enlarged sectional view taken along line A-A of FIG. 1;

in the figure, 100, distribution pipes; 200. a distribution head; 210. a first connecting pipe; 220. an orifice plate; 230. a second connecting pipe; 240. and (4) a spray head.

Detailed Description

In order to clearly explain the technical features of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings.

It should be noted that in the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those described herein. Therefore, the scope of the utility model is not limited by the specific embodiments disclosed below.

As shown in fig. 1 and 2, the distributor of an easily detachable distribution head according to the present invention includes a distribution pipe 100, through holes are spaced apart from each other on the distribution pipe 100, a distribution head 200 is disposed on the distribution pipe 100 at each through hole, and a fluid in the distribution pipe 100 enters the distribution head 200 through the through holes and is uniformly sprayed from the distribution head 200.

The distribution head 200 includes a first connection pipe 210, a hole plate 220, a second connection pipe 230 and a spray head 240 connected in sequence, the first end of the first connection pipe 210 is fixed on the distribution pipe 100, the hole plate 220 is blocked at the second end of the first connection pipe 210, the first end of the second connection pipe 230 is fixed at the edge of the hole plate 220, and the second connection pipe 230 is detachably connected with the spray head 240. The aperture of the through hole of the orifice plate 220 is smaller than the aperture of the nozzle hole of the nozzle 240, and the micro holes are usually formed on the orifice plate 220 by laser. After entering the first connecting pipe 210 from the distribution pipe 100, the fluid firstly passes through the through holes on the orifice plate 220 for primary distribution and then enters the spray head 240, and is sprayed out from the spray holes on the spray head 240, so as to achieve the required distribution atomization effect.

The perforated plate 220 has high strength, is not easy to be damaged by gas pressure impact, and has strong pressure resistance. Fluid in the traditional distribution head can only be sprayed out from the orifice plate at the end part of the straight pipe, and the atomization efficiency is low, while in the distributor provided by the utility model, the end surface and the peripheral surface of the spray nozzle 240 can be provided with spray orifices, so that the distribution area is increased, the distribution atomization efficiency is improved, and materials are in full contact reaction.

In a preferred embodiment, the spray head 240 has a spherical end surface, which may further increase the distribution area.

The first end of the first connection pipe 210 is welded to the distribution pipe 100, the orifice plate 220 is welded to the second end of the first connection pipe 210, and the first end of the second connection pipe 230 is welded to the edge of the orifice plate 220.

In a preferred embodiment, second connection pipe 230 is threadedly coupled to spray head 240 to enable detachable connection of spray head 240. When shower nozzle 240 blockked up, can dismantle shower nozzle 240 and come clearance used repeatedly after rinsing totally, it is convenient to have the installation to dismantle, changes the convenient advantage of overhauing.

Specifically, the second connection pipe 230 is provided with an internal thread, the nozzle 240 is provided with an external thread, and the second connection pipe 230 and the nozzle 240 are connected by the internal thread and the external thread in a matching manner.

In order to further increase the service life of the showerhead 240, the showerhead 240 is preferably made of 316L, which can improve the corrosion resistance of the showerhead 240 and prolong the service life.

In the description of the present invention, it is to be understood that the terms "central," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the indicated orientations and positional relationships based on the drawings for ease of description and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The above-mentioned embodiments should not be construed as limiting the scope of the present invention, and any alternative modifications or alterations made to the embodiments of the present invention will fall within the scope of the present invention as those skilled in the art will appreciate.

The present invention is not described in detail, but is known to those skilled in the art.

Claims

1. A distributor with easily-detachable distribution heads is characterized by comprising distribution pipes, through holes are formed in the distribution pipes at intervals, a distribution head is arranged on each distribution pipe at each through hole, and fluid in each distribution pipe enters the distribution heads through the through holes and is uniformly sprayed out of the distribution heads;

2. The distributor of easy-to-disassemble distribution head as claimed in claim 1, wherein the aperture of the through hole on the orifice plate is smaller than the aperture of the spray hole on the spray head.

3. The distributor of easy-to-disassemble distribution head as claimed in claim 1, wherein the end surface of the spray head is provided with spray holes.

4. The distributor of easy-to-disassemble distribution head as claimed in claim 3, wherein the outer peripheral surface of the spray head is also provided with spray holes.

5. The distributor of an easy-to-disassemble distribution head as claimed in any one of claims 1 to 4, wherein the spray head has a spherical end surface.

6. The distributor of easy-to-disassemble distribution head as claimed in claim 1, wherein the first end of the first connection pipe is welded and fixed with the distribution pipe, the orifice plate is welded and fixed with the second end of the first connection pipe, and the first end of the second connection pipe is welded and fixed with the edge of the orifice plate.

7. The distributor of easy-to-disassemble distribution head as claimed in claim 6, wherein the second connection pipe is screwed with the spray head.

8. The distributor of easy detachable distribution head as claimed in claim 7, wherein the second connection pipe is provided with an internal thread, the nozzle is provided with an external thread, and the second connection pipe is connected with the nozzle by the internal thread and the external thread.