Filter pressing device for ammonium sulfate production

Abstract

The utility model relates to the field of ammonium sulfate production, in particular to a filter pressing device for ammonium sulfate production. The filter pressing device for ammonium sulfate production comprises a filter press body, a filter conveying net and a heating plate, a storage box is arranged at the feeding end of the filter press body, desulfurizing tower slurry is loaded in the storage box, the interior of the storage box is divided into a feeding area, an overflow area and a storage area, and the feeding area is communicated with the bottom of the overflow area; according to the filter press, the filter conveying net is arranged, so that large-particle impurities in slurry can be effectively intercepted and removed and are prevented from entering the filter press body; due to the improvement, the filtering efficiency of the filter press is remarkably improved, and the purity and the quality of filtrate are ensured; meanwhile, the impurities are effectively intercepted, so that the shutdown cleaning frequency caused by the fact that the impurities block the filter cloth is reduced, the continuity and the stability of the whole production line are improved, and the production cost is reduced.

Description

Technical Field

[0001] This utility model relates to the field of ammonium sulfate production, and in particular to a pressure filter device for ammonium sulfate production. Background Technology

[0002] In the production process of ammonium sulfate, the filter press plays a crucial role; however, traditional filter presses often face numerous challenges when processing slurries containing a large number of impurities or large particles.

[0003] First, impurities and large particles in the slurry tend to accumulate on the filter cloth of the filter press. This not only increases the thickness and density of the filter cake, but may also cause the filter cloth to become clogged, seriously affecting the filtration efficiency and filtrate quality of the filter press. In order to remove these accumulated impurities and large particles, it is usually necessary to stop the machine frequently for manual cleaning, which not only increases the labor intensity of the operators, but also reduces production efficiency.

[0004] Secondly, due to the presence of impurities and large particles, the filter press needs to withstand a greater load during operation, which may lead to accelerated wear of the mechanical parts of the filter press and shorten the service life of the equipment. At the same time, high-load operation may also increase the energy consumption and failure rate of the equipment, further affecting production efficiency.

[0005] Therefore, it is necessary to provide a new pressure filtration device for ammonium sulfate production to solve the above-mentioned technical problems. Utility Model Content

[0006] To solve the above-mentioned technical problems, this utility model provides a pressure filter device for ammonium sulfate production.

[0007] The filter press device for ammonium sulfate production provided by this utility model includes: a filter press body, a filter conveyor screen, and a heating plate. The feed end of the filter press body is equipped with a storage tank, which is filled with desulfurization tower slurry. The storage tank is divided into a feed zone, an overflow zone, and a storage zone. The bottom of the feed zone and the overflow zone are connected, and the top of the overflow zone and the storage zone are connected. A filter conveyor screen is installed inside the feed zone, with one end of the filter conveyor screen extending out of the storage tank. The filter conveyor screen is used to filter and convey large particulate impurities. Heating plates are installed at equal intervals on the inner wall of the storage zone. A flocculant addition box is installed at the top of the storage tank above the storage zone. Two motors are symmetrically installed at the top of the storage tank above the storage zone, and the output ends of the two motors are fixedly connected to stirring rods.

[0008] Preferably, the feed end of the filter press body extends into the storage area.

[0009] Preferably, the storage box is externally fixedly connected with a support, the support is in transmission connection with one end of the filtering conveying net, one side of the support is fixedly connected with a motor, the output end of the motor is fixedly connected with a transmission shaft at one end of the filtering conveying net, one end of the transmission shaft of the filtering conveying net is fixedly connected with a driving pulley, the support is rotatably connected with a connecting column, one end of the connecting column extends out of the support and is fixedly connected with a driven pulley, the driving pulley and the driven pulley are in transmission connection through a belt, one end of the connecting column is equidistantly fixedly connected with a connecting plate, and the outer wall of the connecting plate is rotatably connected with a knocking hammer.

[0010] Preferably, the angle between the knocking hammers between the two connecting plates is ninety degrees.

[0011] Preferably, two temperature sensors are respectively installed on the inner walls of the storage area at different heights.

[0012] Preferably, the filter press body is provided with corrosion-resistant and wear-resistant filter cloth and filter plates.

[0013] Preferably, the plurality of motors are all reduction motors.

[0014] Preferably, the filtering conveying net, the storage box, the stirring rod, the temperature sensor and the knocking hammer are all corrosion-resistant designs.

[0015] Preferably, the storage box is also provided with a PH sensor, and an automatic acid-base solution adjusting system is also arranged.

[0016] Compared with the related art, the filter press device for ammonium sulfate production has the following beneficial effects:

[0017] Efficiently intercepting impurities and improving the filtering efficiency:

[0018] The filtering conveying net is innovatively arranged in the device, which can effectively intercept and remove large-particle impurities in the slurry, avoiding the impurities from entering the filter press body; this improvement significantly improves the filtering efficiency of the filter press, ensures the purity and quality of the filtrate; at the same time, since the impurities are effectively intercepted, the number of stoppage cleaning due to the impurities blocking the filter cloth is reduced, thereby improving the continuity and stability of the overall production line and reducing the production cost.

[0019] The automatic function improves the production efficiency and accuracy:

[0020] The device integrates motor-driven filter conveying net and automatic functions such as knocking hammer mechanism; these functions not only reduce the dependence on manual operation and reduce the labor intensity of the operator, but also significantly improve the production efficiency; by accurately controlling the running speed of the filter conveying net and the knocking frequency of the knocking hammer, the device can ensure the accuracy and consistency of the slurry treatment, thereby producing higher quality products; in addition, the introduction of automatic functions also improves the flexibility and adaptability of the production line, enabling it to cope with changes in different slurry components and process requirements. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 The structure schematic view of the filter press device for ammonium sulfate production provided by the present application is shown in the figure.

[0022] Figure 2 The structure schematic view of the filter press device for ammonium sulfate production provided by the present application is shown in the figure. Figure 1 The structure schematic view of the filter press device for ammonium sulfate production provided by the present application is shown in the figure.

[0023] Figure 3 The structure schematic view of the filter press device for ammonium sulfate production provided by the present application is shown in the figure. Figure 1 The structure schematic view of the filter press device for ammonium sulfate production provided by the present application is shown in the figure.

[0024] Reference signs in the figure: 1, filter press body; 2, storage tank; 3, feeding area; 4, overflow area; 5, storage area; 6, filter conveying net; 7, heating plate; 8, flocculant adding tank; 9, stirring rod; 10, driving pulley; 11, connecting column; 12, driven pulley; 13, connecting plate; 14, knocking hammer; 15, temperature sensor. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the present application more clear and explicit, the present application will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and do not limit the present application.

[0026] The specific implementation of the present application is described in detail below in combination with specific examples.

[0027] Please refer to Figures 1-3The application discloses an ammonium sulfate production filter pressing device, which comprises a filter pressing machine body 1, a filter conveying net 6 and a heating plate 7, a storage box 2 is arranged at the feeding end of the filter pressing machine body 1, slurry of a desulfurization tower is loaded in the storage box 2, the inside of the storage box 2 is divided into a feeding area 3, an overflow area 4 and a storage area 5, the bottom of the feeding area 3 and the overflow area 4 is communicated, the top of the overflow area 4 and the storage area 5 is communicated, the filter conveying net 6 is arranged in the feeding area 3, and one end of the filter conveying net 6 extends out of the storage box 2; the filter conveying net 6 is used for filtering and conveying large-particle impurities, the heating plate 7 is equidistantly arranged on the inner wall of the storage area 5, a flocculating agent adding box 8 is arranged above the storage area 5 at the top of the storage box 2, two motors are symmetrically arranged above the storage area 5 at the top of the storage box 2, a stirring rod 9 is fixedly connected to the output end of each motor, the feeding end of the filter pressing machine body 1 extends into the inside of the storage area 5, two temperature sensors 15 are arranged on the inner wall of the storage area 5 at different heights, the filter pressing machine body 1 is provided with corrosion-resistant and wear-resistant filter cloth and filter plates, each motor is a speed reducer motor, the filter conveying net 6, the storage box 2, the stirring rod 9, the temperature sensor 15 and the knocking hammer 14 are all corrosion-resistant designs, the storage box 2 is further provided with a PH sensor, and an automatic acid-base solution adjusting system is further arranged.

[0028] It should be noted that the slurry of the desulfurization tower is firstly injected into the feeding area 3 of the storage box 2; in the feeding area 3, the slurry starts preliminary precipitation, the relatively heavy particles gradually sink, and the relatively light liquid flows upwards;

[0029] With the continuous injection of the slurry, the precipitated liquid flows into the overflow area 4 through the communicated part between the feeding area 3 and the overflow area 4; in the overflow area 4, the slurry further slowly flows, which is beneficial to the continuous precipitation of small particles.

[0030] Please refer to Figures 2-3 The bracket is fixedly connected with one end of the filter conveying net 6 in a transmission mode, an electric motor is fixedly connected to one side of the bracket, the output end of the electric motor is fixedly connected with a transmission shaft at one end of the filter conveying net 6, a driving pulley 10 is fixedly connected to one end of the transmission shaft of the filter conveying net 6, a connecting column 11 is rotationally connected to the bracket, a driven pulley 12 is fixedly connected to one end of the connecting column 11 which extends out of the bracket, the driving pulley 10 and the driven pulley 12 are transmissionally connected through a belt, a connecting plate 13 is equidistantly fixedly connected to one end of the connecting column 11, a knocking hammer 14 is rotationally connected to the outer wall of each connecting plate 13, and the angle between the knocking hammers 14 between the two connecting plates 13 is 90 degrees.

[0031] It should be noted that the knocking hammer 14 is connected with the transmission shaft of the filter conveying net 6 through the belt transmission, and with the running of the filter conveying net 6, the knocking hammer 14 continuously knocks the impurities on the net, so that the impurities are more easily fallen off.

[0032] The working principle of the filter pressing device for ammonium sulfate production is as follows:

[0033] Slurry injection and preliminary treatment:

[0034] The slurry of the desulfurization tower is first injected into the feeding area 3 of the storage tank 2; in the feeding area 3, the slurry begins to be preliminarily deposited, and the heavier particles gradually sink, and the lighter liquid flows upward;

[0035] With the continuous injection of the slurry, the deposited liquid flows into the overflow area 4 through the communication part at the bottom of the feeding area 3 and the overflow area 4; in the overflow area 4, the slurry further flows slowly, which is beneficial to the continuous deposition of fine particles;

[0036] Slurry storage and adjustment:

[0037] The slurry in the overflow area 4 slowly flows into the storage area 5; in the storage area 5, the slurry is fully stored and adjusted; the heating plates 7 installed equidistantly on the inner wall of the storage area 5 are used to adjust the temperature of the slurry, so as to ensure the stability of the slurry in the subsequent treatment;

[0038] At the same time, the flocculating agent adding tank 8 located above the storage area 5 adds an appropriate amount of flocculating agent into the slurry, so as to accelerate the coagulation and deposition of particles;

[0039] The two motor-driven stirring rods 9 installed above the storage area 5 stir the slurry, so as to ensure the uniform distribution of the flocculating agent and also help the uniform heating of the slurry;

[0040] Slurry filtration and impurity removal:

[0041] Before the slurry enters the filter press body 1, it first contacts the filter conveying net 6; the filter conveying net 6 is similar to a conveyor belt and is used to filter and convey large-particle impurities in the slurry;

[0042] When the slurry passes through the filter conveying net 6, the large particles are intercepted on the net, and the clean slurry continues to flow; with the continuous operation of the filter conveying net 6, the large-particle impurities are conveyed to the outside of the storage tank 2;

[0043] In order to ensure that the large-particle impurities can be smoothly detached from the filter conveying net 6, the device is designed with a knocking hammer 14 mechanism; the knocking hammer 14 is connected with the transmission shaft of the filter conveying net 6 through a belt drive, and with the operation of the filter conveying net 6, the knocking hammer 14 constantly knocks the impurities on the net, so that the impurities are more easily detached;

[0044] Slurry temperature monitoring and adjustment:

[0045] The two temperature sensors 15 installed at different heights on the inner wall of the storage area 5 monitor the temperature of the slurry in real time; if the temperature does not meet the requirements, the heating plates 7 will automatically adjust the heating power, so as to ensure that the slurry is treated in the subsequent treatment within the optimal temperature range;

[0046] Slurry PH value adjustment:

[0047] The pH value of the slurry is monitored in real time by a pH sensor, and an appropriate amount of acid or alkali solution is added to the slurry to ensure that the slurry has the best chemical reaction conditions during the pressure filtration process;

[0048] Pressure filtration treatment:

[0049] When the slurry meets all the requirements (including temperature, pH value, and impurity content, etc.), it is supplied to the pressure filter body 1 for pressure filtration treatment; the pressure filter body 1 is equipped with corrosion-resistant and wear-resistant filter cloth and filter plate to ensure effective separation of solid and liquid components in the slurry under high pressure.

[0050] The above is only an embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process transformation using the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the present application.

Claims

1. A filter press device for ammonium sulfate production, characterized by, The utility model relates to a filter press body (1), the feed end of filter press body (1) is equipped with storage tank (2), the inside of storage tank (2) is loaded with desulfurization tower slurry, the inside of storage tank (2) is divided into feed area (3), overflow area (4) and storage area (5), and the bottom of feed area (3) and overflow area (4) is communicated, and the top of overflow area (4) and storage area (5) is communicated; Filtering and conveying net (6) is installed in the inside of feed area (3), and one end of filtering and conveying net (6) extends storage tank (2);Filtering and conveying net (6) is used for filtering and conveying large particle impurities; Heating plate (7) is installed on the inner wall of storage area (5) at equal intervals, flocculating agent adding box (8) is installed above storage area (5) at the top of storage tank (2), two motors are installed above storage area (5) at the top of storage tank (2) in symmetry, and the output end of two motors is all fixedly connected with stirring rod (9). The feed end of filter press body (1) extends into the inside of storage area (5).

2. The filter press for producing ammonium sulfate according to claim 1, characterized by, The outside of storage tank (2) is fixedly connected with support, the one end of support is transmission connected with filtering and conveying net (6), one side of support is fixedly connected with motor, the output end of motor is fixedly connected with the transmission shaft of one end of filtering and conveying net (6), the one end of transmission shaft of filtering and conveying net (6) is fixedly connected with driving pulley (10), support is rotationally connected with connecting column (11), one end of connecting column (11) extends support and is fixedly connected with driven pulley (12), driving pulley (10) and driven pulley (12) are transmission connected through belt, one end of connecting column (11) is fixedly connected with connecting plate (13) at equal intervals, the outer wall of a plurality of connecting plates (13) is all rotationally connected with knocking hammer (14).

3. The filter press for producing ammonium sulfate according to claim 1, characterized by, The angle between knocking hammer (14) between two connecting plates (13) is ninety degrees.

4. The filter press for producing ammonium sulfate according to claim 3, characterized by Two temperature sensors (15) are installed on the inner wall of storage area (5) at different heights.

5. The filter press for producing ammonium sulfate according to claim 3, characterized by Filter press body (1) is equipped with corrosion-resistant, wear-resistant filter cloth and filter plate.

6. The filter press for producing ammonium sulfate according to claim 1, characterized by A plurality of motors are all reduction motors.

7. The filter press for producing ammonium sulfate according to claim 1, characterized by Filtering and conveying net (6), storage tank (2), stirring rod (9), temperature sensor (15) and knocking hammer (14) are all corrosion-resistant design.

8. The filter press device for producing ammonium sulfate according to claim 5, characterized by ​

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