CN214438856U - Gas distributor for reactor - Google Patents
Gas distributor for reactor Download PDFInfo
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- CN214438856U CN214438856U CN202023091804.7U CN202023091804U CN214438856U CN 214438856 U CN214438856 U CN 214438856U CN 202023091804 U CN202023091804 U CN 202023091804U CN 214438856 U CN214438856 U CN 214438856U
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Abstract
The utility model relates to a gas distributor for a reactor, which comprises a connecting pipe connected with a gas outlet of a gas inlet pipeline, wherein the connecting pipe comprises a connecting pipe main body, the upper end of the connecting pipe main body is fixedly connected with the feed pipeline through a single screw pipe hoop, and the bottom end of the connecting pipe main body is connected with a sealing plate; the distribution component is connected to the outer side of the connecting pipe main body and comprises a plurality of distribution pipes connected to the outer side of the circumference of the connecting pipe main body, the inner cavity of each distribution pipe is communicated with the inner cavity of the connecting pipe main body, and a plurality of distribution holes are formed in the upper end face of each distribution pipe. The utility model has the advantages that: realize feed pipe and take over the fixing between the main part through single screw socket ferrule, adopt the threaded mode to realize the installation, all very convenience with the dismantlement to the installation of taking over, in addition, set up the distribution hole on the distribution pipe on the up end of distribution pipe, give vent to anger from the upper end promptly, utilize the mode of backward giving vent to anger, slow down the velocity of flow of gas, avoid leading to the inhomogeneous phenomenon of distribution because of the gas flow velocity is too fast.
Description
Technical Field
The utility model relates to a chemical industry field, in particular to gas distributor for reactor.
Background
The gas distributor can be applied to a fixed bed reactor and a shell-and-tube heat exchanger type reactor. The fixed bed reactor has the advantages of small back mixing, small mechanical loss of the catalyst, simple structure and the like, and is widely applied to the field of chemical industry. The shell-and-tube heat exchanger type reactor has wide application because the shell-and-tube heat exchanger type reactor can quickly balance the reaction heat.
For example, in patent CN203577760U, a new gas distributor is proposed, which comprises a gas inlet, a strip-shaped channel, a ring-shaped channel, a filter screen, and distribution holes. The air inlet is a cylindrical structure positioned in the center of the air distributor; the strip-shaped distribution channel is of a horizontal columnar structure, one end of the strip-shaped distribution channel is communicated with the air inlet, and the other end of the strip-shaped distribution channel is communicated with the annular distribution channel; the annular distribution channel is of a circular ring structure, and two ends of the annular distribution channel are respectively communicated with the strip-shaped distribution channel; the filter screen is positioned at the inlet of the strip-shaped distribution channel; the distribution holes are round through holes, and the aperture of each round distribution hole is 6-10 mm. The gas inlet that the outer gas of tower passes through the distributor gets into gas distributor in, gets rid of impurity and foam wherein through the filter screen, then flows into whole distribution passage in, flows out through passageway lower extreme evenly distributed's gas distribution hole, and even distribution is to the processing layer, has prevented like this that gaseous local concentration or the condition in dead zone from appearing, great improvement gas distributor's work efficiency, this gas distributor simple structure, manufacturing convenience.
The above-mentioned gas distributors have certain drawbacks when in use: firstly, when the gas distributor is installed, the gas inlet and the gas inlet pipeline of the reactor need to be welded, or the annular distribution channel needs to be welded on the inner wall of the reactor, so as to complete the fixation of the distributor, and the fixation mode is troublesome when the subsequent distributor needs to be disassembled for maintenance or replacement; in addition, the distribution holes are formed by through holes which penetrate through the distribution holes vertically, and in the structural form, when gas is distributed, a large amount of gas can preferentially flow out of the distribution holes close to the air inlet due to the fact that the flow rate of the gas is too high, the gas flowing out of the distribution holes far away from the air inlet is far smaller than the gas flowing out of the distribution holes close to the inlet of the distributor, and the gas distribution is not uniform.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a convenient, the even gas distributor of gas distribution's reactor is dismantled in the installation.
In order to solve the technical problem, the utility model adopts the technical scheme that: the utility model provides a gas distributor for reactor, the reactor includes a reaction barrel, is connected with an upper cover in the upper end of reaction barrel, is connected with an inlet duct on the upper cover, inlet duct passes the upper cover and stretches into in the inner chamber of reaction barrel, and its innovation point lies in: the gas distributor comprises
The connecting pipe is connected with the air outlet of the air inlet pipeline and comprises a connecting pipe main body, the connecting pipe main body is a hollow pipe structure with openings at the upper side and the lower side, the upper end of the connecting pipe main body is fixedly connected with the feeding pipeline through a single-screw pipe hoop, and the bottom end of the connecting pipe main body is connected with a sealing plate;
a distribution assembly of connection in the takeover main part outside, distribution assembly includes that the several is connected at the distribution pipe in the circumference outside of takeover main part, and the distribution pipe is connected perpendicularly between distribution pipe and the takeover main part, and each distribution pipe distributes side by side along the circumferencial direction of takeover main part, and the inner chamber of distribution pipe is linked together with the inner chamber of takeover main part, and it has a plurality of distribution holes that distribute side by side along the major axis direction of distribution pipe to open on the up end of distribution pipe.
Furthermore, the outside of taking over the main part still is provided with a pair of stationary blade, and the cross section of stationary blade is the L shape, and two stationary blades are 180 symmetric distributions, and the upper end of stationary blade and the outside welded fastening of single screw mouth ferrule, and the lower extreme is fixed with taking over the main part outside spot welding.
Furthermore, the connection position of the distribution pipe and the connection pipe main body is positioned above the sealing plate, and a gap is reserved between the connection position and the sealing plate.
The utility model has the advantages that: the utility model discloses a gas distributor realizes feed pipeline and takeover the fixed between the main part through single screw socket ferrule, adopts threaded mode to realize the installation, all convenience very with the dismantlement to the installation of takeover, in addition, sets up the distribution hole on the distribution pipe on the up end of distribution pipe, gives vent to anger from the upper end promptly, utilizes the mode of reversely giving vent to anger, slows down gaseous velocity of flow, avoids leading to the inhomogeneous phenomenon of distribution because of the gas flow velocity is too fast.
The design of the fixing piece on the outer side of the single-screw pipe hoop aims to strengthen the connection between the connecting pipe main body and the single-screw pipe hoop and avoid the problem that the subsequent gas distribution is smoothly carried out due to the fact that gas always impacts the distributor to cause loosening of threaded connection during gas distribution.
Through the junction design with distribution pipe and takeover main part in the top of shrouding to leave certain clearance, make gas when getting into from feed channel and taking over in the main part, strike earlier and cushion the deceleration on the shrouding, just can get into the distribution pipe after rising the certain distance again, and then the secondary deceleration, the design of the distribution hole of deuterogamying distribution pipe up end, make gas distribution can be as even as far as, avoid the gas flow rate too fast and the uneven phenomenon of distribution appears.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic view of a gas distributor for a reactor according to the present invention.
Fig. 2 is a top view of the gas distributor of the present invention.
FIG. 3 is a schematic diagram of a reactor of the present invention.
Detailed Description
The following examples are presented to enable those skilled in the art to more fully understand the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1-3, the reactor includes a reaction cylinder 1, the reaction cylinder 1 is a hollow cylinder structure with openings at both upper and lower sides, a lower end enclosure is integrally formed at the lower side of the reaction cylinder 1, an upper end enclosure 2 is connected to the upper side end of the reaction cylinder 1, the upper end enclosure 2 and the reaction cylinder 1 are fixed by flange connection, an air inlet pipeline 3 is connected to the upper end enclosure 2, and the air inlet pipeline 3 extends into the inner cavity of the reaction cylinder 1 after passing through the upper end enclosure 2.
The gas distributor comprises
The utility model provides a take over that is connected with inlet channel 3's gas outlet, it includes a takeover main part 6 to take over, this takeover main part 6 is the equal open-ended hollow tube structure in both sides about one, it is fixed with feed channel 3 to take over the upper end of main part 6 through single screw mouth ferrule 4, the top snap-on of single screw mouth ferrule 4 is on feed channel 3's lower terminal surface, have on the outer wall of takeover main part 6 with single screw mouth ferrule 4 matched with external screw thread structure, take over threaded fixation between main part 6 and the single screw mouth ferrule 4, be connected with a shrouding 9 in the bottom of takeover main part 6, thereby make whole takeover form an upside opening, the hollow tube structure that the downside sealed.
A distribution assembly connected outside the main body 6 of the connection pipe, the distribution assembly comprises a plurality of distribution pipes 8 connected outside the circumference of the main body 6 of the connection pipe, the distribution pipes 8 are vertically connected with the main body 6 of the connection pipe, each distribution pipe 8 is distributed in parallel along the circumferential direction of the main body 6 of the connection pipe, the inner cavity of each distribution pipe 8 is communicated with the inner cavity of the main body 6 of the connection pipe, and a plurality of distribution holes 10 distributed in parallel along the long axis direction of each distribution pipe 8 are formed in the upper end surface of each distribution pipe 8.
The connection position of the distribution pipe and the connection pipe main body 6 of the distribution pipe 8 is positioned above the sealing plate 9, and a gap is reserved between the connection position and the sealing plate 9. Through the junction design with distribution pipe 8 and takeover main part 6 in the top of shrouding 9, and leave certain clearance, make gas when getting into takeover main part 6 from charge-in pipeline 3, strike earlier and cushion the deceleration on shrouding 9, just can get into distribution pipe 8 after rising the certain distance again, and then the secondary deceleration, the design of the distribution hole 10 of the 8 up end of deuterogamy distribution pipe, make gas distribution can be as even as far as, avoid the gas velocity of flow too fast and the uneven phenomenon of distribution appears.
The outer side of the connecting pipe main body 6 is also provided with a pair of fixing pieces 5, the fixing pieces 5 are L-shaped, the width of the fixing pieces 5 is about 10mm, the upper ends of the two fixing pieces 5 are welded on the outer side of the single-screw pipe hoop 4 and are symmetrically arranged at 180 degrees, and after the distributor is installed in place, the fixing pieces 5 and the outer side of the connecting pipe main body 6 are fixed in a spot welding mode. The design of the fixing piece on the outer side of the single-screw pipe hoop 4 is to strengthen the connection between the connecting pipe main body 6 and the single-screw pipe hoop 4, so that the problem that the subsequent gas distribution is affected due to the fact that gas always impacts the distributor to cause loosening of threaded connection during gas distribution is avoided.
The working principle is as follows: when gas distribution is carried out, gas enters the inner cavity of the connecting pipe main body 6 from the feeding pipeline 3, then enters the inner cavity of each distribution pipe 8 from the inner cavity of the connecting pipe main body 6, and finally is sent out from the distribution holes 10 at the upper end of each distribution pipe 8, so that the gas distribution is completed.
The utility model discloses a gas distributor realizes feed pipeline and takeover the fixed between the main part through single screw socket ferrule, adopts threaded mode to realize the installation, all convenience very with the dismantlement to the installation of takeover, in addition, sets up the distribution hole on the distribution pipe on the up end of distribution pipe, gives vent to anger from the upper end promptly, utilizes the mode of reversely giving vent to anger, slows down gaseous velocity of flow, avoids leading to the inhomogeneous phenomenon of distribution because of the gas flow velocity is too fast.
It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. The utility model provides a gas distributor for reactor, the reactor includes a reaction barrel, is connected with an upper cover in the upper end of reaction barrel, is connected with an inlet duct on the upper cover, inlet duct passes the upper cover and stretches into in the inner chamber of reaction barrel, its characterized in that: the gas distributor comprises
The connecting pipe is connected with the air outlet of the air inlet pipeline and comprises a connecting pipe main body, the connecting pipe main body is a hollow pipe structure with openings at the upper side and the lower side, the upper end of the connecting pipe main body is fixedly connected with the feeding pipeline through a single-screw pipe hoop, and the bottom end of the connecting pipe main body is connected with a sealing plate;
a distribution assembly of connection in the takeover main part outside, distribution assembly includes that the several is connected at the distribution pipe in the circumference outside of takeover main part, and the distribution pipe is connected perpendicularly between distribution pipe and the takeover main part, and each distribution pipe distributes side by side along the circumferencial direction of takeover main part, and the inner chamber of distribution pipe is linked together with the inner chamber of takeover main part, and it has a plurality of distribution holes that distribute side by side along the major axis direction of distribution pipe to open on the up end of distribution pipe.
2. The gas distributor for a reactor according to claim 1, wherein: the outside of the connecting pipe main body is also provided with a pair of fixing pieces, the cross section of each fixing piece is L-shaped, the two fixing pieces are symmetrically distributed for 180 degrees, the upper ends of the fixing pieces are welded and fixed with the outside of the single-screw pipe hoop, and the lower ends of the fixing pieces are fixed with the outside of the connecting pipe main body in a spot welding manner.
3. The gas distributor for a reactor according to claim 1, wherein: the junction of the distribution pipe and the connecting pipe main body is positioned above the sealing plate, and a gap is reserved between the junction and the sealing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023091804.7U CN214438856U (en) | 2020-12-21 | 2020-12-21 | Gas distributor for reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023091804.7U CN214438856U (en) | 2020-12-21 | 2020-12-21 | Gas distributor for reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214438856U true CN214438856U (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023091804.7U Active CN214438856U (en) | 2020-12-21 | 2020-12-21 | Gas distributor for reactor |
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| CN (1) | CN214438856U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113926388A (en) * | 2021-11-03 | 2022-01-14 | 张化机（苏州）重装有限公司 | Gas distributor for reaction vessel |
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2020
- 2020-12-21 CN CN202023091804.7U patent/CN214438856U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113926388A (en) * | 2021-11-03 | 2022-01-14 | 张化机（苏州）重装有限公司 | Gas distributor for reaction vessel |
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