Regeneration equipment for spent hydrochloric acid containing iron

Abstract

The utility model discloses a kind of iron-containing waste hydrochloric acid treatment regeneration equipment, it is related to iron-containing waste hydrochloric acid treatment technical field, including nozzle outer connecting cover, the inside of nozzle outer connecting cover is provided with slot, the top of slot is provided with connecting groove, the top of nozzle outer connecting cover is provided with the taper groove being communicated with connecting groove, the bottom end of one side of nozzle outer connecting cover is provided with screw hole, the side of screw hole is provided with handle, the other side of handle is provided with screw rod, the other side of screw rod is rotatably connected with limit block, the bottom end of one side of nozzle inner tube is provided with limit slot, the top of nozzle inner tube is provided with connecting pipe, the inner wall of top end in the taper groove and connecting groove is all provided with internal thread.The utility model is removed to nozzle inner tube and replaces, to effectively avoid the problem that nozzle is blocked by iron oxide powder and impurities, causing the low problem of chlorine ion recovery rate, to ensure its production efficiency, and reduce operating intensity.

Description

Technical Field

[0001] This utility model relates to the field of iron-containing waste hydrochloric acid treatment technology, specifically an iron-containing waste hydrochloric acid treatment and regeneration device. Background Technology

[0002] Iron-containing waste hydrochloric acid treatment and regeneration equipment is mainly used to convert iron-containing waste hydrochloric acid into industrial-grade concentrated hydrochloric acid through processes such as evaporation and distillation, thereby achieving resource recycling. Its core function is to remove metallic impurities (such as iron and chromium) and recover hydrochloric acid, making it suitable for fields such as steel pickling and rare earth production.

[0003] To achieve the multiple advantages of resource recycling and efficient pollutant removal, a waste hydrochloric acid treatment and regeneration device and method containing iron has been developed (see patent number: 202510332556.9). This invention relates to the field of waste acid resource utilization technology. The waste hydrochloric acid treatment and regeneration device containing iron includes a hydrochloric acid evaporation and regeneration unit, a waste liquid impurity removal unit, and a regenerated composite flocculant preparation unit. This invention realizes the recovery of waste hydrochloric acid, the reduction and removal of hexavalent chromium, and the preparation of regenerated composite flocculant.

[0004] However, in the existing spray roasting process of iron-containing waste hydrochloric acid treatment and regeneration equipment, the nozzles are easily clogged by iron oxide powder and impurities, resulting in a low chloride ion recovery rate, which affects production efficiency and operational intensity. Utility Model Content

[0005] The purpose of this invention is to provide an iron-containing waste hydrochloric acid treatment and regeneration device to solve the problem that nozzles are easily clogged by iron oxide powder and impurities, resulting in low chloride ion recovery rate, which affects production efficiency and operational intensity.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a waste hydrochloric acid treatment and regeneration device containing iron, comprising a nozzle outer connecting cover, wherein a slot is provided inside the nozzle outer connecting cover, a connecting groove is provided at the top of the slot, a conical groove communicating with the connecting groove is provided at the top of the nozzle outer connecting cover, a threaded hole is provided at the bottom end of one side of the nozzle outer connecting cover, and a handle is provided on one side of the threaded hole.

[0007] A screw is provided on the other side of the handle, and a limit block is rotatably connected to the other side of the screw;

[0008] The nozzle inner tube has a limiting groove at the bottom of one side and a connecting pipe at the top.

[0009] As a further embodiment of this utility model: the top of the conical groove and the inner wall of the connecting groove are both provided with internal threads, and the top of the connecting pipe is uniformly provided with multiple sets of external threads that match the internal threads. The nozzle inner tube is detachably connected to the connecting groove through the mutual cooperation of the connecting pipe, the internal threads and the external threads.

[0010] As a further improvement of this utility model, the limiting block and the limiting groove are detachably connected.

[0011] As a further improvement of this utility model: a bearing is provided on the side of the limiting block near the screw, and the screw is rotatably connected to the limiting block through the bearing.

[0012] As a further improvement of this utility model: a mounting groove is provided on one side of the inner wall of the nozzle outer connecting cover, and the limiting block is located inside the mounting groove and is movably connected to the mounting groove.

[0013] As a further improvement of this utility model, a damping pad is provided on the side of the limiting block near the inner tube of the nozzle.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] 1. By directly rotating the handle to the right along the threaded hole, the handle carries the screw and the limiting block to the right, so that the screw slowly moves to the right along the threaded hole, thereby moving the limiting block into the mounting groove on the inner wall of the nozzle outer connecting cover, so that the position of the internal slot of the nozzle outer connecting cover forms a complete interlocking space, which is convenient for operation.

[0016] 2. By extending the inner nozzle tube through the slot into the inner part of the outer nozzle connecting cover until the connecting tube aligns with the connecting groove and is threaded, and the limiting groove is aligned with the threaded hole, manually turn the handle to move the screw to the left until the limiting block on the left side of the screw is moved into the inner part of the limiting groove, thus achieving the locking operation. Conversely, the inner nozzle tube can be removed from the inner part of the outer nozzle connecting cover and replaced using the opposite method. This effectively avoids the problem of low chloride ion recovery rate caused by the nozzle being blocked by iron oxide powder and impurities, thus ensuring production efficiency and reducing operational intensity. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a partial cross-sectional view of the present invention;

[0019] Figure 3 This utility model Figure 2 A magnified view of A in the middle.

[0020] In the diagram: 1. Nozzle outer connecting cover; 101. Slot; 102. Connecting groove; 103. Conical groove; 104. Threaded hole; 2. Nozzle inner tube; 201. Limiting groove; 202. Connecting tube; 3. Handle; 301. Screw; 302. Limiting block. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. In the description of this utility model, it should be noted that unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. The embodiments of this utility model will be described below based on its overall structure.

[0023] Please see Figures 1-3 In this embodiment of the present invention, an iron-containing waste hydrochloric acid treatment and regeneration device includes a nozzle outer connecting cover 1. The nozzle outer connecting cover 1 has a slot 101 inside, a connecting groove 102 on the top of the slot 101, a conical groove 103 communicating with the connecting groove 102 on the top of the nozzle outer connecting cover 1, a threaded hole 104 on the bottom end of one side of the nozzle outer connecting cover 1, and a handle 3 on one side of the threaded hole 104.

[0024] Among them, a screw 301 is provided on the other side of the handle 3, and a limit block 302 is rotatably connected to the other side of the screw 301;

[0025] Among them, a limiting groove 201 is provided at the bottom of one side of the nozzle inner tube 2, and a connecting pipe 202 is provided at the top of the nozzle inner tube 2.

[0026] Please refer to this carefully. Figures 1 to 3 The top of the conical groove 103 and the inner wall of the connecting groove 102 are both provided with internal threads. The top of the connecting pipe 202 is uniformly provided with multiple sets of external threads that match the internal threads. The nozzle inner tube 2 is detachably connected to the connecting groove 102 through the mutual cooperation of the connecting pipe 202, the internal threads and the external threads.

[0027] In this embodiment, the nozzle inner tube 2 is detachably connected to the connecting groove 102 by utilizing the mutual cooperation of the connecting pipe 202, internal thread and external thread, thereby facilitating the disassembly and installation of the nozzle inner tube 2 inside, making its replacement simpler and easier to operate.

[0028] Please refer to this carefully. Figures 1 to 3 The limiting block 302 and the limiting groove 201 are detachably connected.

[0029] Please refer to this carefully. Figures 1 to 3 A bearing is provided on the side of the limiting block 302 near the screw 301, and the screw 301 is rotatably connected to the limiting block 302 through the bearing.

[0030] In this embodiment, by utilizing the provided bearing, when the limiting block 302 is in contact with the limiting groove 201, the screw 301 can rotate continuously, and the limiting block 302 can move horizontally and be pressed into the interior of the limiting groove 201, thereby improving its firmness.

[0031] Please refer to this carefully. Figures 1 to 3 A mounting groove is provided on one side of the inner wall of the nozzle outer connecting cover 1, and the limiting block 302 is located inside the mounting groove and is movably connected to the mounting groove.

[0032] Please refer to this carefully. Figures 1 to 3 A damping pad is provided on the side of the limiting block 302 near the inner tube 2 of the nozzle.

[0033] The working principle of this utility model is as follows: When in use, the handle 3 can be rotated to the right along the threaded hole 104, so that the handle 3 carries the screw 301 and the limiting block 302 to the right. This causes the screw 301 to slowly spiral to the right along the threaded hole 104, thereby allowing the limiting block 302 to move into the mounting groove on one side of the inner wall of the nozzle outer connecting cover 1, so that the position of the internal slot 101 of the nozzle outer connecting cover 1 forms a complete interlocking space, which is convenient for operation.

[0034] Then, the inner nozzle tube 2 extends through the slot 101 to the inside of the outer nozzle connecting cover 1 until the connecting tube 202 mates with the connecting slot 102 and is threaded. At the same time, the limiting slot 201 is aligned with the threaded hole 104. Then, manually turn the handle 3 to move the handle 3, carrying the screw 301 to the left, until the limiting block 302 on the left side of the screw 301 is moved into the limiting slot 201, thereby achieving the locking operation.

[0035] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A treatment and regeneration device for iron-containing waste hydrochloric acid, comprising a nozzle outer connecting cover (1), characterized in that, The nozzle outer connecting cover (1) has a slot (101) inside, a connecting groove (102) is provided on the top of the slot (101), a conical groove (103) communicating with the connecting groove (102) is provided on the top of the nozzle outer connecting cover (1), a threaded hole (104) is provided on the bottom end of one side of the nozzle outer connecting cover (1), and a handle (3) is provided on one side of the threaded hole (104). Among them, a screw (301) is provided on the other side of the handle (3), and a limit block (302) is rotatably connected to the other side of the screw (301); Among them, a limiting groove (201) is provided at the bottom end of one side of the nozzle inner tube (2), and a connecting pipe (202) is provided at the top of the nozzle inner tube (2).

2. The iron-containing waste hydrochloric acid treatment and regeneration equipment according to claim 1, characterized in that, The top of the conical groove (103) and the inner wall of the connecting groove (102) are both provided with internal threads. The top of the connecting pipe (202) is uniformly provided with multiple sets of external threads that match the internal threads. The nozzle inner tube (2) is detachably connected to the connecting groove (102) through the mutual cooperation of the connecting pipe (202), the internal threads and the external threads.

3. The iron-containing waste hydrochloric acid treatment and regeneration equipment according to claim 1, characterized in that, The limiting block (302) and the limiting groove (201) are detachably connected.

4. The iron-containing waste hydrochloric acid treatment and regeneration equipment according to claim 1, characterized in that, The limiting block (302) is provided with a bearing on the side near the screw (301), and the screw (301) is rotatably connected to the limiting block (302) through the bearing.

5. The iron-containing waste hydrochloric acid treatment and regeneration equipment according to claim 1, characterized in that, The nozzle outer connecting cover (1) has an installation groove on one side of its inner wall, and the limiting block (302) is located inside the installation groove and is movably connected to the installation groove.

6. The iron-containing waste hydrochloric acid treatment and regeneration equipment according to claim 1, characterized in that, The limiting block (302) is provided with a damping pad on the side near the nozzle inner tube (2).

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