A steam ejector for nitrogen evaporation device

Abstract

The utility model discloses a steam ejector for a nitrogen evaporation device, and relates to the technical field of inorganic chemistry. A steam ejector for a nitrogen evaporation device comprises a receiving chamber, a mixing chamber is fixedly connected to the lower surface of the receiving chamber, a secondary flow tube is fixedly connected to the outer wall of the receiving chamber, a diffusion chamber is fixedly connected to the lower surface of the mixing chamber, a sealing ring is fixedly connected to the lower surface of the diffusion chamber by bolts, a sealing pad groove is provided on the outer surface of the sealing ring, a filter plate in a filtering device is used to filter the raw materials entering from the connecting pipe, and then the filtered raw materials enter the interior of the feed pipe, and the impurities and particulate matter in the raw materials are filtered by the filter plate, which greatly improves the purity and quality of the raw materials, effectively protects the equipment at the same time, increases the service life of the equipment, avoids the impurities and particulate matter in the raw materials from entering the interior of the equipment, and then causes damage to the interior of the equipment, and greatly improves the safety performance of the equipment.

Description

Technical Field

[0001] The utility model relates to the technical field of inorganic chemistry, in particular to a steam ejector for a nitrogen steaming device. Background Art

[0002] At present, the thermal system of the ammonia distillation process in steel, metallurgy and coking enterprises generally adopts the traditional conventional heating system, that is, the method of energy depreciation caused by steam throttling and decompression. The Chinese utility model patent, authorization announcement number "CN2923667Y", discloses an adjustable steam ejector for an ammonia distillation device, in which the positioning sleeve and the receiving chamber are made into one body, the mixing chamber and the diffuser are sequentially connected in front of the integrated positioning sleeve and the receiving chamber, the gland and the new steam chamber are sequentially connected behind the integrated positioning sleeve and the receiving chamber, the nozzle passes through the positioning sleeve and extends into the receiving chamber and is fixed by the gland, the valve core and the valve stem are connected as one body and arranged in the nozzle, and the actuator is connected to the back of the new steam chamber, which reduces the ammonia nitrogen load of wastewater treatment while reducing energy consumption, and is particularly suitable for the transformation of existing ammonia distillation devices, with low transformation investment and significant effect.

[0003] The above technical solution enters the new steam chamber of the adjustable steam ejector through the steam inlet, and the secondary steam separated from the separation tank enters the receiving chamber of the adjustable steam ejector from the suction port of the adjustable steam ejector. However, the above technical solution still has certain defects. For example, the raw materials of the above equipment directly enter the steam chamber through the steam inlet for use, but the impurities or particulate matter contained in the raw materials will enter the steam chamber together with the raw materials, which may cause damage to the equipment, thereby reducing the service life of the equipment. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art and provide a steam ejector for a nitrogen evaporation device, which can solve the problem that the raw materials of the equipment directly enter the interior of the steam chamber through the steam inlet for use, but the impurities or particulate matter contained in the raw materials will enter the interior of the steam chamber along with the raw materials, which may cause damage to the equipment, thereby reducing the service life of the equipment.

[0005] To achieve the above object, the utility model provides the following technical solution: a steam ejector for a nitrogen evaporation device, comprising a receiving chamber, a mixing chamber is fixedly connected to the lower surface of the receiving chamber, and a secondary flow pipe is fixedly connected to the outer wall of the receiving chamber;

[0006] Wherein, the lower surface of the mixing chamber is fixedly connected with a diffusion chamber;

[0007] Wherein, a sealing ring is fixedly connected to the lower surface of the diffusion chamber by bolts;

[0008] Wherein, a sealing gasket groove is provided on the outer surface of the sealing ring;

[0009] Wherein, a sealing gasket is installed inside the sealing gasket groove;

[0010] Wherein, a nozzle is fixedly connected to the upper surface of the receiving chamber;

[0011] Wherein, a feed pipe is fixedly connected to the upper surface of the nozzle;

[0012] Wherein, a filtering device is arranged on the receiving chamber.

[0013] Preferably, the filtering device comprises a connecting pipe, the connecting pipe is threadedly connected to the inner wall of the feed pipe, and a sliding block groove is provided on the outer surface of the connecting pipe;

[0014] Wherein, the interior of the sliding block groove is slidably connected with a sliding block;

[0015] Wherein, a return spring groove is provided on the outer surface of the sliding block.

[0016] Preferably, the sliding block is in an "arc" shape;

[0017] Wherein, both upper and lower ends of the sliding block slot are provided with limit rod slots;

[0018] Wherein, a filter plate is fixedly connected inside the sliding block;

[0019] Wherein, the inner wall of the return spring groove is slidably connected with two limit rods.

[0020] Preferably, the two limit rods are both "L"-shaped, and one end of the two limit rods close to the limit rod groove slides out of the sliding block and contacts the inner wall of the corresponding limit rod groove respectively, and the opposite surfaces of the two limit rods are fixedly connected with reset springs.

[0021] Preferably, the interior of the mixing chamber is communicated with the interior of the receiving chamber;

[0022] The interior of the secondary flow tube is communicated with the interior of the receiving chamber.

[0023] Preferably, one end of the nozzle close to the receiving chamber is fixedly extended to the interior of the receiving chamber;

[0024] The interior of the feed pipe is communicated with the interior of the nozzle.

[0025] Compared with the prior art, the beneficial effects of the utility model are:

[0026] (1) The steam ejector for the nitrogen evaporation device filters the raw materials entering from the connecting pipe through the filter plate in the filter device, and then the filtered raw materials enter the interior of the feed pipe. The impurities and particulate matter in the raw materials are filtered through the filter plate, which greatly improves the purity and quality of the raw materials. At the same time, the equipment is effectively protected, the service life of the equipment is increased, and impurities and particulate matter in the raw materials are prevented from entering the interior of the equipment, thereby causing internal damage to the equipment, and greatly improving the safety performance of the equipment.

[0027] (2) The steam ejector for the nitrogen evaporation device pushes the fixed block on the limit rod to move in the opposite direction, thereby driving the return spring to contract and causing the other end of the limit rod to be out of contact with the inner wall of the limit rod groove, so that the sliding block and the filter plate can be removed from the inner wall of the connecting pipe, which makes it convenient for the staff to maintain and repair the filter plate, greatly reducing the workload of the staff and improving the practicality and flexibility of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0029] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0030] Figure 2 This is a schematic diagram of the structure of the interior of the receiving chamber of the utility model;

[0031] Figure 3 This is a schematic diagram of the structure of the outer part of the sealing ring of the utility model;

[0032] Figure 4 This is a schematic diagram of the structure inside the connecting pipe of the utility model;

[0033] Figure 5 It is a schematic diagram of the structure inside the sliding block of the utility model.

[0034] Figure numerals: 1. receiving chamber; 2. mixing chamber; 3. diffusion chamber; 4. secondary flow tube; 5. feed tube; 6. return spring groove; 7. connecting tube; 8. sliding block groove; 9. sliding block; 10. nozzle; 11. sealing ring; 12. sealing gasket; 13. sealing gasket groove; 14. return spring; 15. limit rod groove; 16. limit rod; 17. filter plate. DETAILED DESCRIPTION

[0035] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0036] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0037] In the description of the present utility model, "greater than", "less than", "exceed" etc. are understood as not including the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0038] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0039] See also Figure 1-5 The utility model provides a technical solution: a steam ejector for a nitrogen evaporation device, comprising a receiving chamber 1, a mixing chamber 2 is fixedly connected to the lower surface of the receiving chamber 1, a secondary flow tube 4 is fixedly connected to the outer wall of the receiving chamber 1, a diffusion chamber 3 is fixedly connected to the lower surface of the mixing chamber 2, a sealing ring 11 is fixedly connected to the lower surface of the diffusion chamber 3 by bolts, a sealing gasket groove 13 is provided on the outer surface of the sealing ring 11, a sealing gasket 12 is installed inside the sealing gasket groove 13, a nozzle 10 is fixedly connected to the upper surface of the receiving chamber 1, a feed pipe 5 is fixedly connected to the upper surface of the nozzle 10, and a filtering device is arranged on the receiving chamber 1.

[0040] Among them, the filtering device includes a connecting pipe 7, which is threadedly connected to the inner wall of the feed pipe 5, and a sliding block groove 8 is provided on the outer surface of the connecting pipe 7. A sliding block 9 is slidably connected inside the sliding block groove 8, and a return spring groove 6 is provided on the outer surface of the sliding block 9.

[0041] The sliding block 9 is in an arc shape, and limit rod grooves 15 are provided at both ends of the sliding block groove 8. A filter plate 17 is fixedly connected to the inside of the sliding block 9, and two limit rods 16 are slidably connected to the inner wall of the reset spring groove 6.

[0042] Among them, the two limit rods 16 are both "L"-shaped, and one end of the two limit rods 16 close to the limit rod groove 15 slides out of the outside of the sliding block 9 and contacts the inner wall of the corresponding limit rod groove 15 respectively, and the opposite surfaces of the two limit rods 16 are fixedly connected with the return spring 14.

[0043] Among them, the interior of the mixing chamber 2 is connected to the interior of the receiving chamber 1, the interior of the secondary flow tube 4 is connected to the interior of the receiving chamber 1, the end of the nozzle 10 close to the receiving chamber 1 is fixed and extends to the interior of the receiving chamber 1, and the interior of the feeding pipe 5 is connected to the interior of the nozzle 10.

[0044] Furthermore, when the device is used, it is started by connecting an external power source, and the external device is threadedly connected to one end of the connecting tube 7. Then the external device transports the raw material to the inside of the connecting tube 7, and then the raw material is filtered by the filter plate 17 inside the connecting tube 7 and flows into the inside of the feed tube 5. Then the filtered raw material enters the inside of the nozzle 10 through the feed tube 5, and then the secondary flow tube 4 is connected to the external device, and then another raw material from the external device enters the inside of the receiving chamber 1 through the secondary flow tube 4, and then the two raw materials enter the inside of the mixing chamber 2 through the receiving chamber 1 to be mixed, and then the outlet at the lower end of the diffusion chamber 3 is connected to the external device.

[0045] Furthermore, the sealing ring 11 inside the sealing gasket groove 13 opened on the sealing ring 11 is sealed and connected to the external device, and then the diffusion chamber 3 transports the mixed raw materials into the interior of the external device. Then, when the filter plate 17 needs to be disassembled, the fixed block on the limit rod 16 is pushed to move in the opposite direction, and then the limit rod 16 is contacted with the inner wall of the limit rod groove 15 to limit the sliding block 9, and then the fixed block on the limit rod 16 is pushed to move in the opposite direction, driving the return spring 14 to contract while causing the other end of the limit rod 16 to be out of contact with the inner wall of the limit rod groove 15, and then the sliding block 9 and the filter plate 17 can be removed from the inner wall of the connecting pipe 7.

[0046] The raw materials entering from the connecting pipe 7 are filtered by the filter plate 17 in the filtering device, and then the filtered raw materials enter the interior of the feed pipe 5. The impurities and particulate matter in the raw materials are filtered by the filter plate 17, which greatly improves the purity and quality of the raw materials. At the same time, it effectively protects the equipment and increases the service life of the equipment. It avoids impurities and particulate matter in the raw materials from entering the interior of the equipment, thereby causing internal damage to the equipment, and greatly improves the safety performance of the equipment. By pushing the fixed block on the limit rod 16 to move in the opposite direction, the reset spring 14 is driven to contract, and the other end of the limit rod 16 is disengaged from the inner wall of the limit rod groove 15, and then the sliding block 9 and the filter plate 17 can be removed from the inner wall of the connecting pipe 7, which is convenient for the staff to maintain and overhaul the filter plate 17, greatly reducing the workload of the staff and improving the practicability and flexibility of the equipment.

[0047] Working principle: The external device is threadedly connected to one end of the connecting pipe 7, and then the external device transports the raw material to the inside of the connecting pipe 7, and then the raw material is filtered by the filter plate 17 inside the connecting pipe 7 and flows into the inside of the feed pipe 5, and then the filtered raw material enters the inside of the nozzle 10 through the feed pipe 5, and then the secondary flow pipe 4 is connected to the external device, and then another raw material passing through the external device enters the inside of the receiving chamber 1 through the secondary flow pipe 4, and then the two raw materials enter the inside of the mixing chamber 2 through the receiving chamber 1 to be mixed, and then the outlet at the lower end of the diffusion chamber 3 is connected to the external device, and then the external device passes The sealing ring 11 inside the sealing gasket groove 13 opened on the sealing ring 11 is sealed and connected to it, and then the diffusion chamber 3 transports the mixed raw materials into the interior of the external equipment. Then, when the filter plate 17 needs to be disassembled, the fixed block on the limit rod 16 is pushed to move in the opposite direction, and then the limit rod 16 is contacted with the inner wall of the limit rod groove 15 to limit the sliding block 9, and then the fixed block on the limit rod 16 is pushed to move in the opposite direction, driving the return spring 14 to contract while causing the other end of the limit rod 16 to be out of contact with the inner wall of the limit rod groove 15, and then the sliding block 9 and the filter plate 17 can be removed from the inner wall of the connecting pipe 7.

[0048] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A steam ejector for a nitrogen evaporation device, comprising a receiving chamber (1), characterized in that: The lower surface of the receiving chamber (1) is fixedly connected to a mixing chamber (2), and the outer wall of the receiving chamber (1) is fixedly connected to a secondary flow pipe (4); Wherein, the lower surface of the mixing chamber (2) is fixedly connected to a diffusion chamber (3); Wherein, a sealing ring (11) is fixedly connected to the lower surface of the diffusion chamber (3) by means of bolts; Wherein, a sealing gasket groove (13) is provided on the outer surface of the sealing ring (11); Wherein, a sealing gasket (12) is installed inside the sealing gasket groove (13); Wherein, a nozzle (10) is fixedly connected to the upper surface of the receiving chamber (1); Wherein, a feed pipe (5) is fixedly connected to the upper surface of the nozzle (10); Wherein, a filtering device is arranged on the receiving chamber (1).

2. A steam ejector for a nitrogen evaporation device according to claim 1, characterized in that: The filtering device comprises a connecting pipe (7), the connecting pipe (7) is threadedly connected to the inner wall of the feed pipe (5), and a sliding block groove (8) is provided on the outer surface of the connecting pipe (7); Wherein, a sliding block (9) is slidably connected inside the sliding block groove (8); Wherein, a return spring groove (6) is provided on the outer surface of the sliding block (9).

3. A steam ejector for a nitrogen evaporation device according to claim 2, characterized in that: The sliding block (9) is in an "arc" shape; Wherein, both upper and lower ends of the sliding block slot (8) are provided with limit rod slots (15); Wherein, a filter plate (17) is fixedly connected inside the sliding block (9); The inner wall of the return spring groove (6) is slidably connected to two limit rods (16).

4. The steam ejector for nitrogen evaporation device according to claim 3, characterized in that: The two limit rods (16) are both L-shaped. One end of the two limit rods (16) close to the limit rod groove (15) slides out of the sliding block (9) and contacts the inner wall of the corresponding limit rod groove (15) respectively. The opposite surfaces of the two limit rods (16) are fixedly connected with a return spring (14).

5. The steam ejector for nitrogen evaporation device according to claim 1, characterized in that: The interior of the mixing chamber (2) is communicated with the interior of the receiving chamber (1); The interior of the secondary flow tube (4) is communicated with the interior of the receiving chamber (1).

6. The steam ejector for nitrogen evaporation device according to claim 1, characterized in that: One end of the nozzle (10) close to the receiving chamber (1) is fixedly extended into the interior of the receiving chamber (1); The interior of the feed pipe (5) is communicated with the interior of the nozzle (10).

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