Cross-shaped anti-abrasion device at bottom of semi-water reaction tank

By setting a thickened carbon brick layer and a cross-shaped anti-swirl baffle at the bottom of the reaction tank, combined with a chamfered design, the problem of severe wear at the bottom of the phosphoric acid reaction tank was solved, improving wear resistance and production efficiency.

CN223915382UActive Publication Date: 2026-02-17YUNNAN YUNTIANHUA RED PHOSPHORUS CHEM CO LTD
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Patent Information

Application Number
CN202520465799.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-17
Publication Date
2026-02-17
Estimated Expiration
2035-03-17

AI Technical Summary

Technical Problem

The existing phosphoric acid reaction tank suffers severe wear at the bottom during stirring, which cannot effectively prevent the stirring paddle from eroding the protective layer of carbon bricks at the bottom of the tank, thus affecting production efficiency.

Method used

A thickened carbon brick layer and a cross-shaped anti-swirl baffle are set at the bottom of the reaction tank. Combined with the chamfered design, the wear resistance of the carbon bricks is enhanced and the slurry swirl is prevented, thus reducing wear.

Benefits of technology

It effectively reduces wear on the bottom of the reaction tank, improving durability and production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of reaction tanks, in particular to a cross-shaped anti-abrasion device at the bottom of a semi-water reaction tank, which comprises a reaction tank, carbon brick protection layers are respectively arranged on the side wall and the bottom of the reaction tank, a thickened carbon brick layer is arranged at the top of the carbon brick protection layer at the bottom of the reaction tank, and a cross-shaped anti-rotational flow baffle brick is arranged at the top of the thickened carbon brick layer; by arranging the thickened carbon brick layer, the thickness and the number of layers of carbon bricks at the bottom of the reaction tank are increased, and the wear resistance of the bottom of the reaction tank is improved; and by arranging the cross-shaped anti-rotational flow baffle brick, the slurry fluid below the stirring paddle can be prevented from forming rotational flow and vortex, and the abrasion to the bottom of the reaction tank is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of reaction tank, concretely relates to a half water reaction tank bottom cross anti -wear device. BACKGROUND

[0002] With the rapid development of phosphate fertilizer industry, the consumption of phosphate rock is rapidly increasing, the overall grade of phosphate rock is decreasing, and the impurity content is continuously increasing. A considerable part or all of the compounds of impurities such as iron, aluminum and magnesium in phosphate rock are dissolved in the reaction tank and enter the filter acid. They exist in the form of ions or groups, and often in a saturated or supersaturated state. The half water-two water device requires higher phosphate rock, and in the half water reaction process, the residence time of the reaction material in the decomposition tank and the crystallization tank must be solved to improve the production capacity. It is necessary to increase the stirring intensity of the stirring paddle. After increasing the stirring intensity, the tank bottom wears faster, which affects the production.

[0003] In the prior art, the utility model discloses a kind of phosphoric acid reaction tank top corrosion protection device with application number CN202220858171.8, including reaction tank body, carbon brick protective layer is equipped in reaction tank body. However, the existing phosphoric acid reaction tank cannot avoid that the fluid washes the carbon brick protective layer of tank bottom during the use of stirring paddle, and needs to be improved. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of half water reaction tank bottom cross anti -wear device, can effectively reduce the wear of reaction tank bottom, to solve the defects proposed in the above background art.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of half water reaction tank bottom cross anti -wear device, including reaction tank, the side wall and bottom of reaction tank are equipped with carbon brick protective layer, the top of the carbon brick protective layer located in the bottom of reaction tank is equipped with thickened carbon brick layer, the top of the thickened carbon brick layer is equipped with cross-shaped anti-swirl baffle brick.

[0007] As a further improvement, the top of the carbon brick protective layer located in the bottom of the reaction tank is provided with a recess, and the bottom of the thickened carbon brick layer is embedded in the recess.

[0008] As a further improvement, the thickened carbon brick layer and the anti-swirl baffle brick are both made of carbon brick, and the anti-swirl baffle brick is embedded on the top of the thickened carbon brick layer.

[0009] As a further improvement, the top edge of the thickened carbon brick layer and the top of the carbon brick protective layer located in the bottom of the reaction tank are provided with a chamfer, and the top edge of the anti-swirl baffle brick and the top of the thickened carbon brick layer are provided with a chamfer.

[0010] As a further improvement, the chamfer is built of acid-resistant mortar.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1、 through setting up the thickened carbon brick layer, the carbon brick thickness and layer number of the reaction tank bottom are increased, and the abrasion resistance of the reaction tank bottom is improved;

[0013] 2、 through setting up the cross-shaped anti-swirl baffle, the swirl and vortex of the slurry fluid under the stirring paddle can be prevented, and the abrasion of the reaction tank bottom is reduced;

[0014] 3、 through setting up the chamfer, the erosion and abrasion of the slurry fluid to the thickened carbon brick layer and the anti-swirl baffle are reduced, and the durability of the reaction tank bottom structure is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor.

[0016] Figure 1 It is the structural schematic diagram of the embodiment of the utility model;

[0017] Figure 2 It is the overhead schematic diagram of the reaction tank bottom of the embodiment of the utility model.

[0018] In the drawing: 1-reaction tank;2-carbon brick protective layer;3-thickened carbon brick layer;4-anti-swirl baffle;5-embedded groove;7-chamfer. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments are only some embodiments of the utility model, not all the embodiments.Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0020] For example, Figure 1 And Figure 2As shown, a kind of half water reaction tank bottom cross-shaped anti-abrasion device, including reaction tank 1, the sidewall and bottom of reaction tank 1 are equipped with carbon brick protective layer 2 respectively, the top of carbon brick protective layer 2 located at the bottom of reaction tank 1 is equipped with thickened carbon brick layer 3, the top of thickened carbon brick layer 3 protrudes from the top of carbon brick protective layer 2 of the bottom of reaction tank 1, by setting thickened carbon brick layer 3, the thickness and layer number of carbon brick of the bottom of reaction tank 1 are increased;The top of thickened carbon brick layer 3 is equipped with cross-shaped anti-swirl baffle brick 4, the top of anti-swirl baffle brick 4 protrudes from the top of thickened carbon brick layer 3, by setting cross-shaped anti-swirl baffle brick 4, the bottom of stirring paddle can be prevented that slurry fluid forms swirl, vortex abrasion reaction tank 1 bottom.

[0021] The top of carbon brick protective layer 2 located at the bottom of reaction tank 1 is equipped with embedding groove 5, the bottom of thickened carbon brick layer 3 is embedded in embedding groove 5, so as to improve the connecting strength of thickened carbon brick layer 3 and carbon brick protective layer 2 of the bottom of reaction tank 1.

[0022] Thickened carbon brick layer 3 and anti-swirl baffle brick 4 are all built by carbon brick, anti-swirl baffle brick 4 is embedded in the top of thickened carbon brick layer 3, specifically, the carbon brick of anti-swirl baffle brick 4 and the carbon brick of thickened carbon brick layer 3 are embedded integrally, so as to improve the overall strength of thickened carbon brick layer 3 and anti-swirl baffle brick 4.

[0023] The top edge of thickened carbon brick layer 3 and the top of carbon brick protective layer 2 located at the bottom of reaction tank 1 and the top edge of anti-swirl baffle brick 4 and the top of thickened carbon brick layer 3 are respectively equipped with chamfer 7, chamfer 7 is 45 °, can reduce the scouring and abrasion of slurry fluid to thickened carbon brick layer 3 and anti-swirl baffle brick 4.

[0024] In the embodiment, chamfer 7 is built by acid-resistant mortar.

[0025] Construction steps:

[0026] 1. the bottom of reaction tank 1 is cleaned and polished clean, and is washed with cleaning agent;

[0027] 2. rectangular embedding groove 5 is cut in carbon brick protective layer 2 of the bottom of reaction tank 1 by cutting machine, the depth of embedding groove 5 is less than the thickness of carbon brick;

[0028] 3. a layer of carbon brick is added in embedding groove 5 by flat laying, to form thickened carbon brick layer 3;

[0029] 4. when thickened carbon brick layer 3 is built, a layer of carbon brick is added in the cross center line position of thickened carbon brick layer 3 by vertical laying, to form anti-swirl baffle brick 4, flat laying carbon brick and vertical laying carbon brick are embedded as a whole;

[0030] 5. Between the top edge of the thickened carbon brick layer 3 and the top of the carbon brick protection layer 2 at the bottom of the reaction tank 1 and between the top edge of the anti-swirl baffle brick 4 and the top of the thickened carbon brick layer 3, 45° is found with acid-proof mortar, and the acid-proof mortar is maintained and solidified to form a chamfer 7.

[0031] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A cross-shaped anti-wear device for the bottom of a semi-aqueous reaction tank, comprising a reaction tank (1), wherein the sidewalls and bottom of the reaction tank (1) are respectively provided with carbon brick protective layers (2), characterized in that: A thickened carbon brick layer (3) is provided on top of the carbon brick protective layer (2) located at the bottom of the reaction tank (1), and a cross-shaped anti-swirl baffle (4) is provided on top of the thickened carbon brick layer (3).

2. The cross-shaped anti-wear device at the bottom of a semi-aqueous reaction tank as described in claim 1, characterized in that: The top of the carbon brick protective layer (2) located at the bottom of the reaction tank (1) is provided with a groove (5), and the bottom of the thickened carbon brick layer (3) is embedded in the groove (5).

3. The cross-shaped anti-wear device at the bottom of a semi-aqueous reaction tank as described in claim 1, characterized in that: The thickened carbon brick layer (3) and the anti-swirl baffle (4) are both made of carbon bricks, and the anti-swirl baffle (4) is embedded on the top of the thickened carbon brick layer (3).

4. The cross-shaped anti-wear device at the bottom of a semi-aqueous reaction tank as described in claim 1, characterized in that: Chamfers (7) are provided between the top edge of the thickened carbon brick layer (3) and the top of the carbon brick protective layer (2) located at the bottom of the reaction tank (1), and between the top edge of the anti-swirling baffle brick (4) and the top of the thickened carbon brick layer (3).

5. The cross-shaped anti-wear device at the bottom of a semi-aqueous reaction tank as described in claim 4, characterized in that: The chamfer (7) is made of acid-resistant mortar.

Citation Information

Patent Citations

  • Phosphoric acid reaction tank top corrosion protection device

    CN217549777U