Zirconium silicate pickling tank

Abstract

The utility model discloses a zirconium silicate pickling tank which comprises an upper tank, a lower tank integrally connected with the upper tank, a feed pipe and an acid liquor inlet pipe, the upper tank is covered with a tank cover, the bottom of the lower tank is provided with a zirconium silicate discharge pipe, the lower tank is connected with an acid liquor circulating pipe, the acid liquor circulating pipe is provided with a circulating pump, and the other end of the acid liquor circulating pipe is connected with the acid liquor inlet pipe. The feed pipe and the acid liquor inlet pipe respectively penetrate through the tank cover, an outlet of the feed pipe is positioned in a cavity formed by the upper tank and the tank cover, an outlet of the acid liquor inlet pipe is positioned in a cavity formed by the upper tank and the tank cover, and a feed end of the feed pipe is connected with a feed mixing device. According to the pickling device, pickling is carried out without stirring, and meanwhile, the feeding quality can be controlled without stirring, so that the discharging quality is improved.

Description

Technical Field

[0001] The utility model relates to the production of zirconium silicate micropowder, and more specifically to a zirconium silicate acid washing tank. Background Art

[0002] Zirconium silicate is an important industrial raw material, widely used in building materials such as ceramics, glass, and enamel. In recent years, with the development of science and technology, zirconium silicate has also been widely used in high-tech industries such as electronics, semiconductors, and solar energy.

[0003] The pickling process in the current zirconium silicate production process has the following defects

[0004] 1. The pickling process is to put zirconium silicate and acid into the pickling tank, and then stir them for pickling. During the stirring process, the pickling workshop is shrouded in acid gas, causing environmental pollution.

[0005] 2. The raw material zirconium silicate of the pickling process is composed of different batches of the previous process, which makes the quality of the product after pickling uneven and affects the product quality.

[0006] 3. Blockage is easy to occur during the pickling process, causing production to stop. Utility Model Content

[0007] In view of the above problems, the utility model provides a zirconium silicate pickling tank, which does not use stirring for pickling, and can control the feed quality without stirring, thereby improving the discharge quality.

[0008] A zirconium silicate pickling tank comprises an upper tank, a lower tank integrally connected to the upper tank, a feed pipe and an acid liquid inlet pipe, the upper tank is covered with a tank cover, a zirconium silicate discharge pipe is opened at the bottom of the lower tank, an acid liquid circulation pipe is connected to the lower tank, a circulation pump is installed on the acid liquid circulation pipe, the other end of the acid liquid circulation pipe is connected to the acid liquid inlet pipe, the feed pipe and the acid liquid inlet pipe respectively pass through the tank cover, the outlet of the feed pipe is located in a cavity formed by the upper tank and the tank cover, the outlet of the acid liquid inlet pipe is located in the cavity formed by the upper tank and the tank cover, and the feed end of the feed pipe is connected to a feed mixing device.

[0009] Optionally, the feed mixing device includes a hopper, a mixer, a first mixing pipe, an air suction pipe, a fan, an air outlet pipe and at least one blowing pipe, the hopper is connected to the first mixing pipe, one end of the first mixing pipe is connected to the mixer, and the other end is connected to the air outlet pipe, one end of the air suction pipe is connected to the top of the mixer, and the other end is connected to the fan, the air inlet end of the air outlet pipe is connected to the fan, one end of each blowing pipe is connected to the mixer, and the other end is connected to the air outlet pipe, each blowing pipe is equipped with a first valve, and the other end of the feed pipe is connected to the bottom of the mixer.

[0010] Optionally, the feed mixing device also includes at least one differentiater, the number of differentiaters is the same as the blowing pipes, the differentiater is located inside the mixer, one blowing pipe is connected to one differentiater, the differentiater is a hollow square body, one side of the hollow square body is provided with a plurality of equally spaced gas outlets, and the other side parallel to the side is connected to the blowing pipe.

[0011] Optionally, the angle between the differentiater and the horizontal plane is 30-60°.

[0012] Optionally, the zirconium silicate pickling tank further includes a first dredge and a second dredge, the first dredge is installed on the acid circulation pipe, located between the circulation pump and the lower tank, and the second dredge is installed on the zirconium silicate discharge pipe.

[0013] Optionally, the first clearer or the second clearer includes a first joint pipe, a second joint pipe and a clearing air pipe, the first joint pipe, the second joint pipe and the clearing air pipe are interconnected as a whole to form three channels, the other end of the clearing air pipe is connected to the high-pressure gas network, the second joint pipe is installed with a first valve of the clearer, and the clearing air pipe is installed with a second valve of the clearer.

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

[0015] The zirconium silicate pickling tank provided by the utility model does not use stirring for pickling, and can control the quality of the feed material without stirring, thereby improving the quality of the discharge material. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of a horizontal baffle structure of the utility model;

[0019] Figure 3 It is a position relationship diagram of the first vertical baffle and the second vertical baffle of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the feed mixing device of the utility model;

[0021] Figure 5 It is a schematic diagram of a top view of the divider of the utility model;

[0022] Figure 6 It is a bottom view schematic diagram of the utility model;

[0023] Figure 7 It is a schematic diagram of the structure of the utility model dredge.

[0024] Description of reference numerals: 101, upper tank, 102, lower tank, 103, tank cover, 104, zirconium silicate discharge pipe, 105, acid liquid circulation pipe, 106, circulation pump, 107, feed pipe, 108, acid liquid inlet pipe, 109, horizontal baffle, 110, liquid distribution hole, 111, arc baffle, 112, first vertical baffle, 113, second vertical baffle, 114, acid gas discharge channel, 115, exhaust pipe, 116, feed mixing device, 116 0. Hopper, 1161. Mixer, 1162. First mixing pipe, 1163. Fan, 1164. Blowing pipe, 1165. Air suction pipe, 1166. Air outlet pipe, 1167. First valve, 1168. Differentiator, 117. First clearing device, 1170. First connecting pipe, 1171. Second connecting pipe, 1172. Clearing air pipe, 1173. First valve of clearing device, 1174. Second valve of clearing device, 118. Second clearing device. DETAILED DESCRIPTION

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, or it can be an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present invention. In the description of the present invention, "multiple" means two or more, unless otherwise precisely and specifically specified.

[0027] The terms "first", "second", "third", "fourth", etc. (if any) in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein, for example. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0028] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0029] The following specific embodiments are used to describe the technical solution of the utility model in detail. The following specific embodiments can be combined with each other, and the same or similar concepts or processes may not be described in detail in some embodiments.

[0030] Please refer to Figure 1 , Figure 1 The utility model provides a zirconium silicate acid washing tank.

[0031] A zirconium silicate pickling tank, comprising an upper tank 101, a lower tank 102 integrally connected to the upper tank 101, a feed pipe 107 and an acid liquid inlet pipe 108, wherein the upper tank 101 is covered with a tank cover 103, a zirconium silicate discharge pipe 104 is opened at the bottom of the lower tank 102, an acid liquid circulation pipe 105 is connected to the lower tank 102, a circulation pump 106 is installed on the acid liquid circulation pipe 105, and the other end of the acid liquid circulation pipe 105 is connected to the acid liquid inlet pipe 108 Then, the feed pipe 107 and the acid liquid inlet pipe 108 respectively pass through the tank cover 103 (the tank cover 103 is provided with holes for the feed pipe 107 and the acid liquid inlet pipe 108 to pass through), the outlet of the feed pipe 107 is located in the cavity formed by the upper tank 101 and the tank cover 103, the outlet of the acid liquid inlet pipe 108 is located in the cavity formed by the upper tank 101 and the tank cover 103, and the feed end of the feed pipe 107 is connected to the feed mixing device 116.

[0032] The upper trough 101 is square and the lower trough 102 is in the shape of a chamfered pyramid. The upper trough 101 and the lower trough 102 are supported by supporting feet connected to the lower trough 102. The supporting feet are located on the bottom surface. A filter screen is installed at the entrance of the acid circulation pipe 105. The aperture of the filter screen is selected according to the particle size of zirconium silicate. The function of the filter screen is to prevent zirconium silicate from entering the acid circulation pipe 105.

[0033] By setting up the acid circulation pipe 105, the circulation pump 106 and the acid inlet pipe 108, the zirconium silicate is equivalent to being immersed in the flowing acid solution, so as to carry out pickling and iron removal, realizing the pickling function, and no stirring is used, which reduces energy consumption, and at the same time reduces the volatilization of the acid solution and the formation of acid mist.

[0034] In one or more embodiments of the present invention, a horizontal baffle 109 is installed in the upper tank 101, and the horizontal baffle 109 blocks the acid gas below it. At this time, the feed pipe 107 and the acid liquid inlet pipe 108 both pass through the horizontal baffle 109 (the horizontal baffle 109 is provided with a hole for the feed pipe 107 and the acid liquid inlet pipe 108 to pass through).

[0035] The horizontal baffle 109 can be connected by setting a hook on the edge of the horizontal baffle 109 and a ring on the groove wall of the upper groove 101, or by setting a groove on the bottom edge of the horizontal baffle 109 and a protrusion on the groove wall of the upper groove 101, or by directly welding the horizontal baffle 109 to the groove wall of the upper groove 101, which is not specifically limited here.

[0036] In one or more embodiments of the present invention, please refer to Figure 2 , Figure 2 This is a schematic diagram of a horizontal baffle structure of the utility model. A plurality of liquid distribution holes 110 are provided on the horizontal baffle 109. At this time, the liquid outlet of the acid liquid inlet pipe 108 is located above the horizontal baffle 109, and the feed pipe 107 passes through the horizontal baffle 109 (a hole is provided on the horizontal baffle 109 for the feed pipe 107 to pass through). After the liquid distribution holes 110 are provided, the acid liquid from the acid liquid inlet pipe 108 is dispersed into a plurality of tributaries through the liquid distribution holes 110, and flows down from the horizontal baffle 109 to the zirconium silicate to be washed, so that the acid liquid and the zirconium silicate are mixed more evenly and the impurities are removed more thoroughly.

[0037] In one or more embodiments of the present invention, the distance between the upper surface of the horizontal baffle 109 and the outlet of the acid inlet pipe 108 is 2 mm-6 mm to avoid splashing of the acid.

[0038] In one or more embodiments of the present invention, the diameter of the liquid distribution hole 11 is 2 mm-6 mm.

[0039] To discharge the acid gas overflowing from the liquid distribution hole 110, please refer to Figure 1 And reference Figure 3 The zirconium silicate pickling tank also includes an arc baffle 111, a first vertical baffle 112, a second vertical baffle 113 and an exhaust pipe 115. The first vertical baffle 112 is connected to the lower end of the arc baffle 111, and the second vertical baffle 113 is installed on the upper surface of the horizontal baffle 109. The arc baffle 111 is located above the horizontal baffle 109, and the upper end of the arc baffle 111 is connected to the groove wall of the upper groove 101 (at this time, the feed pipe 107 and the acid liquid feed pipe 108 each pass through the arc baffle 111, and the arc baffle 11 1 is provided with a hole for the feed pipe 107 and the acid liquid inlet pipe 108 to pass through), the bottom surface of the first vertical baffle 112 is located between the top surface and the bottom surface of the second vertical baffle 113, an acid gas discharge channel 114 is formed between the first vertical baffle 112 and the second vertical baffle 113, an exhaust pipe 115 passes through the tank cover 103 (the tank cover 103 is provided with a hole for the exhaust pipe 115 to pass through), the exhaust port of the exhaust pipe 115 is located above the arc-shaped baffle 111, and the exhaust pipe 115 is connected to an exhaust fan (not shown in the figure).

[0040] A unique acid gas extraction system is formed by the arc baffle 111, the first vertical baffle 112, the second vertical baffle and the horizontal baffle 109, which extracts and processes the acid gas generated during pickling and purifies the environmental space.

[0041] In one or more embodiments of the present invention, the air outlet is trumpet-shaped.

[0042] In one or more embodiments of the present invention, please refer to Figure 4 , Figure 4 This is a schematic diagram of the structure of the utility model. The feeding and mixing device 116 includes a hopper 1160, a mixer 1161, a first mixing pipe 1162, an air suction pipe 1165, a fan 1163, an air outlet pipe 1166 and at least one blowing pipe 1164. The hopper 1160 is connected to the first mixing pipe 1162. One end of the first mixing pipe 1162 is connected to the mixer 1161, and the other end is connected to the air outlet pipe 1166. One end of the air suction pipe 1165 is connected to the top of the mixer 1161, and the other end is connected to the fan 1163. The air inlet end of the air outlet pipe 1166 is connected to the fan 1163. One end of each blowing pipe 1164 is connected to the mixer 1161, and the other end is connected to the air outlet pipe 1166. A first valve 1167 is installed on each blowing pipe 1164. The other end of the feeding pipe 107 is connected to the bottom of the mixer 1161.

[0043] Positive and negative pressures are formed by setting up a mixer 1161, a first mixing pipe 1162, a suction pipe 1165, a fan 1163, an air outlet pipe 1166 and at least one blowing pipe 1164, wherein zirconium silicate is sucked into the mixer 1161 when negative pressure occurs, and gas is blown into the mixer 1161 through the suction pipe 1165 when positive pressure occurs, and the zirconium silicate is mixed under the flow of the gas.

[0044] In one or more embodiments of the present invention, please refer to Figure 5-Figure 6 The feed mixing device 116 also includes at least one differentiater 1168. The number of differentiaters 1168 is the same as the blowing tubes 1164. The differentiaters 1168 are located in the mixer 1161. One blowing tube 1164 is connected to one differentiater 1168. The differentiater 1168 is a hollow square body. One side of the hollow square body is provided with a plurality of equally spaced gas outlets, and the other side parallel to the side is connected to the blowing tube 1164.

[0045] In one or more embodiments of the present invention, there are four blowing tubes 1164 and four differentiaters 1168 .

[0046] In one or more embodiments of the present invention, the angle between the differentiater 1168 and the horizontal plane is 30-60°, at which point a better mixing effect can be obtained.

[0047] In one or more embodiments of the present invention, in order to prevent blockage from affecting production, the zirconium silicate pickling tank also includes a first dredge 117 and a second dredge 118. The first dredge 117 is installed on the acid circulation pipe 105, located between the circulation pump 106 and the lower tank 102, and the second dredge 118 is installed on the zirconium silicate discharge pipe 104.

[0048] In one or more embodiments of the present invention, please refer to Figure 7 The first clearing device 117 or the second clearing device 118 includes a first joint pipe 1170, a second joint pipe 1171 and a clearing air pipe 1172. The first joint pipe 1170, the second joint pipe 1171 and the clearing air pipe 1172 are interconnected as a whole to form a three-channel. The other end of the clearing air pipe 1172 is connected to the high-pressure gas network. The second joint pipe 1171 is equipped with a clearing device first valve 1173, and the clearing air pipe 1172 is equipped with a clearing device second valve 1174.

[0049] By setting the first dredge 117 and the second dredge 118, when blockage occurs, the first valve 1173 of the dredge is closed, the second valve 1174 of the dredge is opened, and high-pressure gas is introduced to clear the blockage. After unblocking, the second valve 1174 of the dredge is closed, the first valve 1173 of the dredge is opened, and production is resumed.

[0050] When the first dredge 117 is installed, the second joint pipe 1171 is installed on the acid liquid circulation pipe 105 near the circulation pump 106 , and the first joint pipe 1170 is installed near the lower tank 102 .

[0051] When the second dredge 118 is installed, the second joint pipe 1171 is installed at a position of the zirconium silicate discharge pipe 104 away from the lower tank 102 , and the first joint pipe 1170 is installed near the lower tank 102 .

[0052] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A zirconium silicate pickling tank, comprising an upper tank (101), a lower tank (102) integrally connected to the upper tank (101), a feed pipe (107) and an acid liquid feed pipe (108), the upper tank (101) being covered with a tank cover (103), and a zirconium silicate discharge pipe (104) being provided at the bottom of the lower tank (102), characterized in that: The lower tank (102) is connected to an acid liquid circulation pipe (105), a circulation pump (106) is installed on the acid liquid circulation pipe (105), the other end of the acid liquid circulation pipe (105) is connected to an acid liquid inlet pipe (108), the feed pipe (107) and the acid liquid inlet pipe (108) respectively pass through the tank cover (103), the outlet of the feed pipe (107) is located in a cavity formed by the upper tank (101) and the tank cover (103), the outlet of the acid liquid inlet pipe (108) is located in a cavity formed by the upper tank (101) and the tank cover (103), and the feed end of the feed pipe (107) is connected to a feed mixing device (116).

2. The zirconium silicate pickling tank according to claim 1, characterized in that: The feed mixing device (116) comprises a hopper (1160), a mixer (1161), a first mixing pipe (1162), an air suction pipe (1165), a fan (1163), an air outlet pipe (1166) and at least one blowing pipe (1164); the hopper (1160) is connected to the first mixing pipe (1162); one end of the first mixing pipe (1162) is connected to the mixer (1161), and the other end is connected to the air outlet pipe (1166); the air suction pipe (1165) is connected to the first mixing pipe (1162); One end of the feed pipe (107) is connected to the top of the mixer (1161), and the other end is connected to the fan (1163); the air inlet end of the air outlet pipe (1166) is connected to the fan (1163); one end of each blowing pipe (1164) is connected to the mixer (1161), and the other end is connected to the air outlet pipe (1166); each blowing pipe (1164) is provided with a first valve (1167); and the other end of the feed pipe (107) is connected to the bottom of the mixer (1161).

3. The zirconium silicate pickling tank according to claim 2, characterized in that: The feed mixing device (116) also includes at least one differentiater (1168), the number of differentiaters (1168) is the same as the blowing pipes (1164), the differentiaters (1168) are located in the mixer (1161), one blowing pipe (1164) is connected to one differentiater (1168), and the differentiater (1168) is a hollow square body.

4. The zirconium silicate pickling tank according to claim 3, characterized in that: The angle between the differentiater (1168) and the horizontal plane is 30-60°.

5. The zirconium silicate pickling tank according to claim 3, characterized in that: The zirconium silicate pickling tank also includes a first dredge (117) and a second dredge (118). The first dredge (117) is installed on the acid liquid circulation pipe (105) and is located between the circulation pump (106) and the lower tank (102). The second dredge (118) is installed on the zirconium silicate discharge pipe (104).

6. The zirconium silicate pickling tank according to claim 5, characterized in that: The first dredge (117) or the second dredge (118) comprises a first joint pipe (1170), a second joint pipe (1171) and a dredge air pipe (1172); the first joint pipe (1170), the second joint pipe (1171) and the dredge air pipe (1172) are interconnected to form a three-channel system; the other end of the dredge air pipe (1172) is connected to a high-pressure gas network; the second joint pipe (1171) is provided with a first dredge valve (1173); and the dredge air pipe (1172) is provided with a second dredge valve (1174).

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