CN210303604U

CN210303604U - Low-resistance, small-plane-temperature-difference and uniformly-distributed cold pipe liner

Info

Publication number: CN210303604U
Application number: CN201920633859.4U
Authority: CN
Inventors: 许磊
Original assignee: Nanjing Haoan Industry Equipment Co ltd
Current assignee: Nanjing Haoan Industry Equipment Co ltd
Priority date: 2019-05-06
Filing date: 2019-05-06
Publication date: 2020-04-14
Anticipated expiration: 2029-05-06

Abstract

The utility model discloses a low resistance, little equipartition cold pipe courage of plane difference in temperature, two pairs of air guide box including the symmetry setting are located two at top the equal fixed insertion in top of air guide box is equipped with the intake pipe, it is equipped with the filter screen to slide in the intake pipe to insert, the one end fixedly connected with fixed stopper of filter screen, the inner wall and the fixedly connected with fixture block of intake pipe are run through to the one end of fixed stopper, be equipped with the spout on the outer wall of intake pipe, fixedly connected with slide bar in the spout, L type kelly has been cup jointed in the slide bar top slip, be equipped with the draw-in groove that corresponds with L type kelly on the. The utility model discloses a setting of filtration purification mechanism makes the device can filter the feed gas to the application scope of cold tube courage has been promoted.

Description

Low-resistance, small-plane-temperature-difference and uniformly-distributed cold pipe liner

Technical Field

The utility model relates to a package cold tube courage technical field especially relates to low resistance, the little equipartition cold tube courage of plane difference in temperature.

Background

At present, a cold-tube type synthesis reactor is generally adopted in domestic chemical enterprises, and raw material gas in the reactor enters a gas collection chamber through a central tube and then enters a cold tube through an air guide tube and an upper ring tube. Generally, for convenience of production, the drift diameters of the air-entraining pipes are consistent, and due to the limited space of the air-collecting chamber, the raw material gas entering the air-collecting chamber from the central pipe enters the downward cold pipe from the air-entraining pipes through the upper ring pipe when the raw material gas is not uniformly distributed in the air-collecting chamber, and enters the catalyst layer from the upward cold pipe after being changed in direction by the lower ring pipe to perform synthesis reaction.

However, the internal structure of the cold tube liner in the existing reactor is simpler, and a mechanism for filtering and purifying the feed gas is lacked in the cold tube liner, so that the application range of the cold tube liner is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the inside of the cold pipe bladder in the reactor in the prior art is simple, the cold pipe bladder is lack of the mechanism for filtering and purifying the feed gas, and the low resistance, the small uniform distribution cold pipe bladder of the plane temperature difference that are proposed.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

low resistance, the little equipartition cold tube courage of plane difference in temperature, including the two pairs of air guide box that the symmetry set up, be located two at top the inner top of air guide box is all fixed to be inserted and is equipped with the intake pipe, it is equipped with the filter screen to slide in the intake pipe to insert, the one end fixedly connected with fixed stopper of filter screen, the one end of fixed stopper runs through the inner wall and the fixedly connected with fixture block of intake pipe, be equipped with the spout on the outer wall of intake pipe, fixedly connected with slide bar in the spout, the L type kelly has been cup jointed in the slip on the slide bar, be equipped with the draw-in groove that corresponds with L type kelly on the fixture block, it is equipped with a plurality of branch pipes to encircle to insert on the inside wall of air guide box, and is same right the one end that the air guide.

Preferably, the sliding rod is sleeved with a first spring, and two ends of the first spring are fixedly connected with the L-shaped clamping rod and the inner wall of the sliding groove respectively.

Preferably, the inner wall of the air inlet pipe is provided with a slot corresponding to the filter screen, and the slot is internally connected with a base plate through a plurality of second springs.

Preferably, a connecting flange is fixedly sleeved at one end of the air inlet pipe, which is far away from the air guide box.

Preferably, a first sealing ring is fixedly sleeved at one end of the air inlet pipe close to the air guide box, and one side of the first sealing ring is fixedly connected with the outer wall of the air guide box.

Preferably, a second sealing ring is fixedly sleeved at one end of the branch pipe, which is located in the air guide box, and one side of the second sealing ring is fixedly connected with the inner wall of the air guide box.

Has the advantages that:

1. firstly, gas is guided into the gas guide box through any one gas inlet pipe, meanwhile, the gas can be filtered by the filter screen, then the filtered gas enters the gas guide box and is guided into the cooling pipe through the branch pipe, then the gas is guided into another gas guide box through the communicating pipe by the cooling pipe, and then the gas sequentially passes through the branch pipe, the cooling pipe and the gas guide box and is guided out from another gas inlet pipe, the utility model discloses a filter purification mechanism is arranged, so that the device can filter the raw gas, thereby the application range of the cold pipe liner is improved;

2. when the filter screen needs to be cleaned, the L-shaped clamping rod is firstly pulled out from the clamping block, then the filter screen is pulled out by the fixing plug to be cleaned, and meanwhile, the sealing effect of the device can be enhanced due to the arrangement of the first sealing ring and the second sealing ring.

Drawings

FIG. 1 is a schematic structural view of a low resistance, small planar temperature difference, uniformly distributed cold liner of the present invention;

FIG. 2 is a schematic view of the internal side view structure of the low resistance, small planar temperature difference, uniformly distributed cold liner air box of the present invention;

FIG. 3 is a schematic view of the low resistance, small temperature difference in the plane, uniform distribution cold liner air guiding box of the present invention;

fig. 4 is a schematic structural view of a portion a of fig. 1.

In the figure: the air guide box comprises an air guide box 1, an air inlet pipe 2, a filter screen 3, a fixing plug 4, a clamping block 5, a sliding rod 6, a clamping rod 7L, a branch pipe 8, a cooling pipe 9, a communicating pipe 10, a first spring 11, a second spring 12, a base plate 13, a connecting flange 14, a first sealing ring 15 and a second sealing ring 16.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, the low resistance, small planar temperature difference and uniform distribution cold pipe liner comprises two pairs of symmetrically arranged air guide boxes 1, wherein air inlet pipes 2 are fixedly inserted into the inner tops of the two air guide boxes 1 at the tops for introducing raw material gas, filter screens 3 are slidably inserted into the air inlet pipes 2 for filtering the raw material gas, one ends of the filter screens 3 are fixedly connected with fixing plugs 4 for fixing the filter screens 3, one ends of the fixing plugs 4 penetrate through the inner walls of the air inlet pipes 2 and are fixedly connected with fixture blocks 5 for fixing the fixing plugs 4, the outer walls of the air inlet pipes 2 are provided with chutes, slide bars 6 are fixedly connected in the chutes and used for supporting L-shaped clamp rods 7, the slide bars 6 are slidably sleeved with L-shaped clamp rods 7 for fixing the fixture blocks 5, the fixture blocks 5 are provided with clamp grooves corresponding to the L-shaped clamp rods 7, the inner side walls of the air guide boxes 1 are circumferentially inserted with, one end of the same pair of branch pipes 8 far away from the gas guide boxes 1 is communicated through a cooling pipe 9 and used for leading gas into the gas guide boxes 1 at the bottom, and the inner bottoms of the two gas guide boxes 1 far away from the gas inlet pipe 2 are communicated through a communicating pipe 10 and used for leading gas into the adjacent gas guide boxes 1.

In the utility model, a first spring 11 is sleeved on a sliding rod 6, two ends of the first spring 11 are respectively fixedly connected with an L-shaped clamping rod 7 and the inner wall of a sliding groove and used for playing a certain elastic support for the L-shaped clamping rod 7, a slot corresponding to a filter screen 3 is arranged on the inner wall of an air inlet pipe 2, a backing plate 13 is connected in the slot through a plurality of second springs 12 and used for playing a certain elastic support for the filter screen 3, a connecting flange 14 is fixedly sleeved at one end of the air inlet pipe 2 far away from an air guide box 1 so as to conveniently connect the air inlet pipe 2 with an external part, a first sealing ring 15 is fixedly sleeved at one end of the air inlet pipe 2 close to the air guide box 1, one side of the first sealing ring 15 is fixedly connected with the outer wall of the air guide box 1 to prevent gas leakage, a second sealing ring 16 is fixedly sleeved at one end of a branch pipe 8 in the air guide box 1, one side of the, preventing gas from leaking out.

The utility model discloses in, earlier gaseous leading-in air guide box 1 through arbitrary one intake pipe 2 in, filter screen 3 can filter gas simultaneously, then the gas after filtering gets into air guide box 1, and in 8 leading-in cooling tubes 9 through the branch pipe, then cooling tubes 9 will be gaseous through communicating pipe 10 leading-in another air guide box 1 again, then loop through branch pipe 8, cooling tubes 9, air guide box 1, and derive from another intake pipe 2, when needs clearance filter screen 3, take L type kelly 7 out from fixture block 5 earlier, then utilize fixed stopper 4 to take filter screen 3 out and clear up, first sealing washer 15 and second sealing washer 16's setting simultaneously, can strengthen the sealed effect of device.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The low-resistance and small-plane-temperature-difference uniformly-distributed cold pipe liner comprises two pairs of air guide boxes (1) which are symmetrically arranged, and is characterized in that air inlet pipes (2) are fixedly inserted into the inner tops of the two air guide boxes (1) at the top, a filter screen (3) is inserted into the air inlet pipes (2) in a sliding manner, a fixing plug (4) is fixedly connected to one end of the filter screen (3), one end of the fixing plug (4) penetrates through the inner wall of the air inlet pipes (2) and is fixedly connected with a clamping block (5), a sliding groove is formed in the outer wall of the air inlet pipes (2), a sliding rod (6) is fixedly connected into the sliding groove, an L-shaped clamping rod (7) is sleeved on the sliding rod (6) in a sliding manner, a clamping groove corresponding to the L-shaped clamping rod (7) is formed in the clamping groove (5), a plurality of branch pipes (8) are inserted into the inner side wall of the air guide boxes (1) in a surrounding manner, and, the inner bottoms of the two air guide boxes (1) far away from the air inlet pipe (2) are communicated through a communicating pipe (10).

2. The low resistance, small temperature difference in plane and uniform distribution cold pipe liner according to claim 1, wherein the sliding rod (6) is sleeved with a first spring (11), and two ends of the first spring (11) are respectively fixedly connected with the L-shaped clamping rod (7) and the inner wall of the sliding groove.

3. The low resistance, small temperature difference in plane and uniform distribution cold pipe liner according to claim 1, characterized in that the inner wall of the air inlet pipe (2) is provided with a slot corresponding to the filter screen (3), and the slot is connected with a backing plate (13) through a plurality of second springs (12).

4. The low-resistance small-temperature-difference uniform-distribution cold pipe liner according to claim 1, wherein a connecting flange (14) is fixedly sleeved at one end of the air inlet pipe (2) far away from the air guide box (1).

5. The low-resistance small-plane-temperature-difference uniform-distribution cold pipe liner according to claim 1, wherein one end of the air inlet pipe (2) close to the air guide box (1) is fixedly sleeved with a first sealing ring (15), and one side of the first sealing ring (15) is fixedly connected with the outer wall of the air guide box (1).

6. The low-resistance small-temperature-difference uniform-distribution cold pipe liner according to claim 1, wherein one end of the branch pipe (8) in the air guide box (1) is fixedly sleeved with a second sealing ring (16), and one side of the second sealing ring (16) is fixedly connected with the inner wall of the air guide box (1).