Device for reducing gas resistance

Abstract

The utility model relates to the technical field of reduction of resistance in a coal gas shift process, in particular to a device for reducing coal gas resistance, which comprises a mixing bin, a filter bin and a gas inlet pipe, the rear end of the top of the mixing bin is open and communicated with a feed chute, and a bottom plate is fixedly mounted at the bottom of the mixing bin; the filtering bin is arranged at the front end of the mixing bin; wherein the top of the filter bin is provided with a hole and is communicated with a liquid return pipe; wherein a filtering module is movably mounted in the filtering bin; wherein the filtering bin is communicated with the mixing bin through a liquid return pipe; a cover body is arranged at one end, deviating from the filtering bin, of the liquid return pipe; wherein the cover body is fixedly mounted at the front end of the upper surface of the mixing bin. The utility model solves the problem that the production load is adjusted due to larger resistance of the coal water slurry conversion process, increased system load, increased steam consumption, increased conversion system pressure and large system resistance.

Description

Technical Field

[0001] The utility model relates to the technical field of reducing resistance in a coal gas conversion process, in particular to a device for reducing coal gas resistance. Background Art

[0002] The conversion process of water-coal slurry gasification production mainly includes: atmospheric pressure gasification matching conversion, step-by-step conversion, step-by-step intermediate cooling and humidification methods, and control of the smooth progress of the conversion. With the large-scale coal chemical projects, atmospheric pressure gasification is mainly used for the improvement of existing equipment, and new projects are rarely built. The existing conversion process often has increased resistance in the conversion section, which will lead to high system resistance and high pressure, and cannot produce at full load and reach production capacity. Low output and high consumption.

[0003] The low resistance conversion process pipeline design process analyzes the resistance of pipelines with different diameters, selects the diameter with the least resistance, and improves the diameter of the cold secondary line of the gas preheater of the conversion system, increasing the diameter to DN600, and arranges the process pipeline according to the low resistance conversion system plan to reduce the number of process pipeline elbows. In addition, the resistance of different types of regulating valves in the conversion system is tested and analyzed, and the regulating valve with the least resistance is selected.

[0004] However, the shell side and tube side of the exchanger are prone to accumulation of coal tar, carbon mixed scale, etc. If the shell side and tube side of the exchanger are not fully cleaned, the resistance of the gas conversion process will increase. Therefore, a device for reducing gas resistance is needed to solve the above problem. Utility Model Content

[0005] The purpose of the utility model is to provide a device for reducing gas resistance, which has the advantages of reducing the gas resistance of the heat exchanger, thereby reducing the resistance of the conversion process system to save energy and reduce consumption, and solves the problem that the water-coal slurry conversion process resistance is large, the system load increases, the steam consumption increases, the conversion system pressure increases, the system resistance is large, and the production load adjustment will be caused.

[0006] To achieve the above object, the utility model provides the following technical solution: a device for reducing gas resistance, comprising a mixing bin, the top rear end of the mixing bin is open and connected to a feed trough, a bottom plate is fixedly installed at the bottom of the mixing bin, and also includes a filter bin;

[0007] The filter bin is located at the front end of the mixing bin;

[0008] The top of the filter bin is opened and connected with a liquid return pipe;

[0009] Among them, a filter module is movably installed in the filter chamber;

[0010] The filter bin is connected and installed with the mixing bin through a liquid return pipe;

[0011] Wherein, a cover body is provided at one end of the liquid return pipe away from the filter bin;

[0012] Wherein, the cover body is fixedly installed on the front end of the upper surface of the mixing bin.

[0013] When using a device for reducing gas resistance in the technical solution, a cleaning agent is injected into the mixing bin through the feed trough, and after the cleaning agent is injected, the top cover seal can be installed on the top of the feed trough, at this time, the booster pump is installed on the discharge pipe, and the discharge end of the booster pump is connected to the liquid inlet end of the heat exchanger, and the discharge pipe on the filter bin is connected to the liquid outlet end of the heat exchanger and installed, at this time, the booster pump is started to inject cleaning liquid into the heat exchanger, and after the heat exchanger is cleaned, the dirt mixed with the cleaning liquid enters the filter bin, and the dirt is filtered through the filter module in the filter bin, thereby realizing the circulation flushing of the inside of the heat exchanger.

[0014] Preferably, a hole is opened at the bottom of the rear end of the mixing bin and is connected to a drain pipe, and a booster pump is connected to one end of the drain pipe away from the mixing bin.

[0015] A hole is opened at the bottom of the rear end of the mixing bin and a drain pipe is connected and installed, and a booster pump is connected and installed at the end of the drain pipe away from the mixing bin. When in use, the cleaning liquid can be pressurized by the booster pump and injected into the heat exchanger for cleaning.

[0016] Preferably, a top cover is movably mounted on the top of the feed trough, and a sealing ring is fixedly mounted on the outer side of the lower surface of the top cover.

[0017] A top cover is movably installed on the top of the feed trough, and a sealing ring is fixedly installed on the outer side of the lower surface of the top cover, so that the top of the feed trough can be sealed after the top cover is installed.

[0018] Preferably, a support frame is fixedly installed on the outer side of the bottom of the base plate, a hole is opened at the front end of the upper surface of the base plate, and the filter bin is embedded in the hole on the base plate.

[0019] A support frame is fixedly installed on the outer side of the bottom of the bottom plate, and a hole is opened at the front end of the upper surface of the bottom plate. At the same time, the filter bin is embedded in the hole installed on the bottom plate, so that the filter bin is supported and installed through the bottom plate.

[0020] Preferably, a hole is opened on the top of the filter bin and connected to a liquid inlet pipe, the front end of the filter bin adopts an open structure design, and limit rods are welded and installed on both sides of the inner wall of the filter bin.

[0021] A hole is opened at the top of the filter bin and a liquid inlet pipe is installed in the connection, and the front end of the filter bin is designed with an open structure. At the same time, limit rods are welded and installed on both sides of the inner wall of the filter bin, so that the used cleaning liquid can be injected into the filter bin through the liquid inlet pipe.

[0022] Preferably, the front ends of the two limit rods are each provided with a screw hole, in which a mounting bolt is movably installed, a sealing cover is fixedly installed at the front end of the filter bin by the mounting bolt, and the filter module is movably inserted into the filter bin through the two limit rods.

[0023] By opening screw holes at the front ends of the two limit rods and movably installing mounting bolts in the screw holes, a sealing cover is fixedly installed at the front end of the filter bin by the mounting bolts, and then the filter module is movably inserted into the filter bin through the two limit rods, so that the filter module can be limited by the limit rods.

[0024] Preferably, a reserved hole is opened on the front side of the sealing cover, and an observation window is embedded in the reserved hole.

[0025] A reserved hole is opened on the front side of the sealing cover, and an observation window is embedded and installed in the reserved hole, so that the filter module can be observed through the observation window.

[0026] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0027] The utility model provides a filter bin, and arranges the filter bin at the front end of the mixing bin. At the same time, a hole is opened on the top of the filter bin and connected with a liquid return pipe. At the same time, a filter module is movably installed in the filter bin. At the same time, the filter bin is connected with the mixing bin through the liquid return pipe. At the same time, a cover body is provided at one end of the liquid return pipe away from the filter bin. At the same time, the cover body is fixedly installed at the front end of the upper surface of the mixing bin. Then, during actual use, a cleaning agent is injected into the mixing bin through the feed trough. After the cleaning agent is injected, the top cover can be sealed and installed on the top of the feed trough. At this time, the top cover is installed on the discharge pipe. Install the booster pump, connect the discharge end of the booster pump with the liquid inlet end of the heat exchanger, and connect the discharge pipe on the filter bin with the liquid outlet end of the heat exchanger. At this time, start the booster pump to inject cleaning liquid into the heat exchanger. After cleaning the heat exchanger, the dirt mixed with the cleaning liquid enters the filter bin and is filtered by the filter module in the filter bin, thereby realizing the circulation flushing of the inside of the heat exchanger, reducing the gas resistance of the heat exchanger, thereby reducing the resistance of the conversion process system and saving energy. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0029] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0030] Figure 3 For the utility model Figure 2 The structural diagram of the enlarged part in the middle;

[0031] Figure 4 This is a schematic diagram of the filter bin connection structure of the utility model.

[0032] In the figure: 1. top cover; 2. feed trough; 3. drain pipe; 4. mixing bin; 5. bottom plate; 6. support frame; 7. liquid inlet pipe; 8. sealing cover; 9. filter bin; 10. liquid return pipe; 11. cover body; 12. filter module; 13. reserved hole; 14. observation window; 15. limit rod. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] Example

[0035] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, an embodiment of the utility model provides: a device for reducing gas resistance, including a mixing bin 4, the top rear end of the mixing bin 4 is open and connected to a feed trough 2, a bottom plate 5 is fixedly installed at the bottom of the mixing bin 4, and also includes a filter bin 9;

[0036] Specifically, the filtering bin 9 is arranged at the front end of the mixing bin 4;

[0037] The top of the filter bin 9 is opened and connected with a liquid return pipe 10;

[0038] Among them, a filter module 12 is movably installed in the filter chamber 9;

[0039] The filter bin 9 is connected to the mixing bin 4 through a liquid return pipe 10;

[0040] The end of the liquid return pipe 10 away from the filter chamber 9 is provided with a cover 11;

[0041] The cover 11 is fixedly mounted on the front end of the upper surface of the mixing bin 4 .

[0042] By setting the filter bin 9, and setting the filter bin 9 at the front end of the mixing bin 4, at the same time, the top of the filter bin 9 is opened and connected with a return pipe 10, at the same time, a filter module 12 is movably installed in the filter bin 9, at the same time, the filter bin 9 is connected and installed with the mixing bin 4 through the return pipe 10, at the same time, the end of the return pipe 10 away from the filter bin 9 is provided with a cover body 11, at the same time, the cover body 11 is fixedly installed on the front end of the upper surface of the mixing bin 4, and then in actual use, the cleaning agent is injected into the mixing bin 4 through the feed trough 2, and after the cleaning agent is injected, the top cover 1 can be sealed and installed on the top of the feed trough 2. At this time, the booster pump is installed on the discharge pipe 3, and the discharge end of the booster pump is connected to the liquid inlet end of the heat exchanger, and the discharge pipe 3 on the filter bin 9 is connected to the liquid outlet end of the heat exchanger and installed. At this time, the booster pump is started to inject cleaning liquid into the heat exchanger. After the heat exchanger is cleaned, the dirt mixed with the cleaning liquid enters the filter bin 9, and the dirt is filtered by the filter module 12 in the filter bin 9, thereby realizing the circulation flushing of the inside of the heat exchanger, reducing the gas resistance of the heat exchanger, thereby achieving the effect of reducing the resistance of the conversion process system and saving energy.

[0043] Furthermore, a hole is opened at the bottom of the rear end of the mixing bin 4 and connected to a drain pipe 3 , and one end of the drain pipe 3 away from the mixing bin 4 is connected to a booster pump.

[0044] A hole is opened at the bottom of the rear end of the mixing bin 4 and connected to a drain pipe 3, and a booster pump is connected to the end of the drain pipe 3 away from the mixing bin 4. When in use, the cleaning liquid can be pressurized by the booster pump and injected into the heat exchanger for cleaning.

[0045] Furthermore, a top cover 1 is movably installed on the top of the feed trough 2, and a sealing ring is fixedly installed on the outer side of the lower surface of the top cover 1.

[0046] A top cover 1 is movably installed on the top of the feed trough 2, and a sealing ring is fixedly installed on the outer side of the lower surface of the top cover 1, so that the top of the feed trough 2 can be sealed after the top cover 1 is installed.

[0047] Furthermore, a support frame 6 is fixedly installed on the outer side of the bottom of the bottom plate 5 , a hole is opened at the front end of the upper surface of the bottom plate 5 , and the filter bin 9 is embedded in the hole installed on the bottom plate 5 .

[0048] A support frame 6 is fixedly installed on the outer side of the bottom of the bottom plate 5, and a hole is opened at the front end of the upper surface of the bottom plate 5. At the same time, the filter bin 9 is embedded in the hole installed on the bottom plate 5, so that the filter bin 9 is supported and installed by the bottom plate 5.

[0049] Furthermore, a hole is opened at the top of the filter bin 9 and a liquid inlet pipe 7 is installed in communication therewith. The front end of the filter bin 9 adopts an open structure design, and limiting rods 15 are respectively welded and installed on both sides of the inner wall of the filter bin 9 .

[0050] By opening a hole at the top of the filter bin 9 and connecting it with a liquid inlet pipe 7, the front end of the filter bin 9 is designed with an open structure. At the same time, limit rods 15 are welded and installed on both sides of the inner wall of the filter bin 9, so that the cleaning liquid after use can be injected into the filter bin 9 through the liquid inlet pipe 7.

[0051] Furthermore, screw holes are provided at the front ends of the two limit rods 15 , and mounting bolts are movably installed in the screw holes. A sealing cover 8 is fixedly installed at the front end of the filter bin 9 by the mounting bolts, and the filter module 12 is movably inserted into the filter bin 9 through the two limit rods 15 .

[0052] By opening screw holes at the front ends of the two limit rods 15 and movably installing mounting bolts in the screw holes, the sealing cover 8 is fixedly installed at the front end of the filter bin 9 by the mounting bolts, and then the filter module 12 is movably inserted into the filter bin 9 through the two limit rods 15, so that the filter module 12 can be limited by the limit rods 15.

[0053] Furthermore, a reserved hole 13 is opened on the front side of the sealing cover 8 , and an observation window 14 is embedded in the reserved hole 13 .

[0054] A reserved hole 13 is provided on the front side of the sealing cover 8 , and an observation window 14 is embedded in the reserved hole 13 , so that the filter module 12 can be observed through the observation window 14 .

[0055] When the utility model is used, the cleaning agent is injected into the mixing bin 4 through the feed trough 2, and after the cleaning agent is injected, the top cover 1 can be sealed and installed on the top of the feed trough 2, at this time, the booster pump is installed on the discharge pipe 3, and the discharge end of the booster pump is connected to the liquid inlet end of the heat exchanger, and the discharge pipe 3 on the filter bin 9 is connected to the liquid outlet end of the heat exchanger and installed, at this time, the booster pump is started to inject cleaning liquid into the heat exchanger, and after the heat exchanger is cleaned, the dirt mixed with the cleaning liquid enters the filter bin 9, and the dirt is filtered through the filter module 12 in the filter bin 9, thereby realizing the circulation flushing of the inside of the heat exchanger.

[0056] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A device for reducing gas resistance, comprising a mixing bin (4), the top rear end of the mixing bin (4) is open and connected to a feed trough (2), and a bottom plate (5) is fixedly installed at the bottom of the mixing bin (4), characterized in that: Also includes: A filtering bin (9) is arranged at the front end of the mixing bin (4); The top of the filter bin (9) is opened and connected to a liquid return pipe (10); Wherein, a filter module (12) is movably installed in the filter chamber (9); The filtering bin (9) is connected to the mixing bin (4) via a liquid return pipe (10); Wherein, a cover body (11) is provided at one end of the liquid return pipe (10) away from the filter bin (9); The cover body (11) is fixedly mounted on the front end of the upper surface of the mixing bin (4).

2. The device for reducing gas resistance according to claim 1, characterized in that: The bottom of the rear end of the mixing bin (4) is opened and connected to a drain pipe (3), and one end of the drain pipe (3) facing away from the mixing bin (4) is connected to a booster pump.

3. The device for reducing gas resistance according to claim 1, characterized in that: A top cover (1) is movably mounted on the top of the feed trough (2), and a sealing ring is fixedly mounted on the outer side of the lower surface of the top cover (1).

4. The device for reducing gas resistance according to claim 1, characterized in that: A support frame (6) is fixedly mounted on the outer side of the bottom of the bottom plate (5), a hole is opened at the front end of the upper surface of the bottom plate (5), and the filter bin (9) is embedded in the hole installed on the bottom plate (5).

5. The device for reducing gas resistance according to claim 1, characterized in that: The top of the filter bin (9) is opened and connected to a liquid inlet pipe (7), the front end of the filter bin (9) is designed with an open structure, and limit rods (15) are respectively welded and installed on both sides of the inner wall of the filter bin (9).

6. The device for reducing gas resistance according to claim 5, characterized in that: The front ends of the two limit rods (15) are each provided with a screw hole, in which a mounting bolt is movably installed, and a sealing cover (8) is fixedly installed at the front end of the filter bin (9) via the mounting bolt, and the filter module (12) is movably inserted into the filter bin (9) via the two limit rods (15).

7. The device for reducing gas resistance according to claim 6, characterized in that: The front side of the sealing cover (8) is provided with a reserved hole (13), and an observation window (14) is embedded and installed in the reserved hole (13).

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