Water pumping device at bottom of ammonia still

Abstract

The utility model relates to the technical field of chemical recovery equipment, and discloses an ammonia still bottom water pumping device which comprises an extraction structure, a heat exchange structure and a mounting structure, the extraction structure comprises an extraction pump, the heat exchange structure comprises a heat exchange tank, and the mounting structure comprises a mounting plate; according to the tower bottom water pumping device of the ammonia still, wastewater can be pumped into a collecting bin through operation of a filter frame, a filter plate and a draw-off pump which are arranged, a draw-off pipe and a liquid inlet pipe, then under the action of the filter frame and the filter plate, people can conveniently filter impurities in the wastewater, and when the impurities in the filter frame and the filter plate need to be cleaned, the impurities in the filter frame and the filter plate can be conveniently removed. People pull a shifting plate, one end of a fixing rod can be separated from a fixing hole, after separation is completed, people pull a handle, a sliding frame can be taken out of a collecting bin, and after taking out is completed, impurities on a filtering frame and impurities in a filtering plate can be cleaned.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of chemical recovery equipment, in particular to an ammonia distillation tower bottom water pumping device. BACKGROUND

[0002] Coking ammonia distillation wastewater is a common wastewater generated during production and processing operation in the chemical field, and the content of tar substances in the coking ammonia distillation wastewater is relatively high. The tar substances have the characteristics of high density and high condensation point.

[0003] The existing patent (announcement number: CN208641784U) discloses an ammonia distillation tower bottom water pumping device, and belongs to the technical field of chemical recovery equipment, which comprises a base pipe, a splash guard, a baffle plate and a diffuser pipe. The upper end of the base pipe is closed, and the lower end is open. The upper end of the base pipe is provided with a diffuser pipe, the lower end of the base pipe is connected with an inverted funnel-shaped splash guard, a funnel-shaped baffle plate is installed in the lower part of the base pipe, and an extraction pipe is connected to the side wall of the upper part of the base pipe. The utility model can greatly reduce the probability of pumping tar by the wastewater pump, avoid the blockage of the heat exchanger equipment and the wastewater pipeline, reduce the replacement frequency of the heat exchanger, and is beneficial to the stable operation of the ammonia distillation tower.

[0004] Although the device in the above-mentioned comparative document can reduce the probability of pumping tar by the wastewater pump, liquid wastewater is treated in the ammonia distillation process. In long-term operation, the bottom of the tower may accumulate sediments. According to the experience of chemical processes, suspended solids, unreacted solid substances or scale in raw materials may deposit at the bottom of the tower. For example, calcium and magnesium ions in water may form scale at high temperatures, and gradually accumulate into large blocks. The device lacks an installation structure when in use, and cannot filter the particulate impurities in the wastewater when pumping the wastewater, which may cause the heat exchange equipment and the pipeline to be blocked. In order to solve the above-mentioned problems, an ammonia distillation tower bottom water pumping device is provided. Utility model content

[0005] In view of the deficiencies of the prior art, the application provides an ammonia distillation tower bottom water pumping device, which has the advantages of installation structure and solves the problem that particulate impurities in the wastewater cannot be filtered, which may cause the heat exchange equipment and the pipeline to be blocked.

[0006] To achieve the above object, the present application provides the following technical scheme: a kind of ammonia tower bottom pumping device, including extraction structure, heat exchange structure and mounting structure, the extraction structure includes extraction pump, the heat exchange structure includes heat exchange tank, the mounting structure includes mounting plate, the extraction pump input and output are respectively fixedly connected with extraction pipe and liquid inlet pipe, the heat exchange tank is internally provided with heat exchange bin, filter bin and collection bin, the filter bin top is fixedly connected with liquid inlet hopper, the liquid inlet pipe output end is fixedly connected at the top of liquid inlet hopper, the filter bin side is fixedly connected with mounting frame, the mounting plate is installed and connected in mounting frame, the heat exchange tank is provided with two heat exchange pipes inside, the heat exchange pipe input is set in filter bin, and the heat exchange pipe output is set in collection bin;

[0007] The back of the mounting plate is fixedly connected with a sliding frame, a recess is formed in the top of the sliding frame, a filter frame is placed in the recess, a filter plate is fixedly connected to the inside of the sliding frame, a fixing hole is formed in the opposite sides of the mounting frame, two T-shaped movable grooves are formed in the mounting plate, a connecting spring is fixedly connected to the inside of the T-shaped movable groove, one end of the connecting spring is fixedly connected with a push plate, a fixed rod is fixedly connected to the side of the push plate, and one end of the fixed rod slides through the T-shaped movable groove and is clamped in the fixing hole.

[0008] Through the above scheme, by setting the filter frame and the filter plate, the extraction pump runs, and the wastewater can be pumped into the collection bin through the extraction pipe and the liquid inlet pipe. Then, under the action of the filter frame and the filter plate, it is convenient for people to filter the impurities in the wastewater. When the impurities in the filter frame and the filter plate need to be cleaned, people can pull the push plate to make one end of the fixed rod separate from the fixing hole. After the separation is completed, people can pull the handle to take out the sliding frame from the collection bin. After taking out, the impurities on the filter frame and the impurities in the filter plate can be cleaned.

[0009] Further, a concave sealing strip is fixedly connected to the inside of the mounting frame, and a convex sealing strip is fixedly connected to the back of the mounting plate.

[0010] Through the above scheme, by setting the convex sealing strip and the concave sealing strip, the sealing between the mounting plate and the mounting frame can be improved.

[0011] Further, a perforation is formed in the heat exchange tank, and a stirring motor is fixedly connected to the inside top of the perforation.

[0012] Through the above scheme, by setting the stirring motor, the stirring blade can be driven to rotate, and the mixing of the liquid in the heat exchange bin is enhanced.

[0013] Further, the inside bottom end of the heat exchange bin is fixedly connected with a magnetic coupler, the output end of the stirring motor is fixedly connected with a power input end of the magnetic coupler, and the power output end of the magnetic coupler is fixedly connected with a rotating rod.

[0014] Through the above scheme, by setting the magnetic coupler, under the action of the magnetic coupler, the power end can be completely isolated from the working medium, liquid leakage can be prevented, and the sealing of the device is ensured.

[0015] Further, the surface of the rotating rod is fixedly connected with a plurality of stirring leaves, and the stirring leaves are in the heat exchange bin.

[0016] Through the above scheme, by the rotating stirring leaves, the water in the heat exchange bin can be stirred, the flow effect of the water can be improved, and the heat absorption can be accelerated.

[0017] Further, the surface of the heat exchange tank is fixedly connected with a water inlet pipe, a first drain valve and a temperature table, and the output end of the water inlet pipe, the input end of the first drain valve and the detection end of the temperature table are arranged on the inside side of the heat exchange bin.

[0018] Through the above scheme, by setting the temperature table, the temperature of the water in the heat exchange bin can be detected.

[0019] Further, the bottom of the heat exchange tank is fixedly connected with a second drain valve and a plurality of supporting rods, and the input end of the second drain valve is arranged at the inside bottom end of the collection bin.

[0020] Through the above scheme, by setting the second drain valve, the cooled wastewater can be discharged.

[0021] Further, the side of the filter frame is fixedly connected with a handle, and the front of the mounting plate is fixedly connected with a handle.

[0022] Through the above scheme, by setting the handle, the operator can quickly disassemble, replace or clean the filter frame.

[0023] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0024] The wastewater device at the bottom of the ammonia tower is provided with a filter frame and a filter plate, and the extraction pump is operated. The wastewater can be extracted into the collection bin through the extraction pipe and the liquid inlet pipe. Then, under the action of the filter frame and the filter plate, the impurities in the wastewater can be filtered. When the impurities in the filter frame and the filter plate need to be cleaned, the operator can pull the toggle plate to make one end of the fixed rod separate from the fixed hole. After the separation is completed, the operator can pull the handle to take out the sliding frame from the collection bin. After the taking out is completed, the impurities on the filter frame and the impurities in the filter plate can be cleaned. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a front perspective view of the present application;

[0026] Figure 2 is a structural view of the filter compartment in the present application;

[0027] Figure 3 is a structural view of the heat exchange compartment in the present application;

[0028] Figure 4 is a structural view of the filter frame in the present application;

[0029] Figure 5 is Figure 1 is a structural view of the enlarged section at A in the present application.

[0030] in the figure:

[0031] 1, pumping structure; 101, pumping pump; 102, pumping pipe; 103, liquid inlet pipe;

[0032] 2, heat exchange structure; 201, heat exchange tank; 202, heat exchange compartment; 203, filter compartment; 204, liquid inlet hopper; 205, collection compartment; 206, first drain valve; 207, second drain valve; 208, temperature gauge; 209, support rod; 2010, perforation; 2011, stirring motor; 2012, magnetic coupler; 2013, rotating rod; 2014, stirring blade; 2015, mounting frame; 2016, fixing hole; 2017, concave sealing strip; 2018, water inlet pipe;

[0033] 3, mounting structure; 301, mounting plate; 302, sliding frame; 303, groove; 304, filter plate; 305, handle; 306, T-shaped movable slot; 307, connecting spring; 308, actuating plate; 309, fixing rod; 3010, convex sealing strip;

[0034] 4, heat exchange pipe;

[0035] 5, filter frame; 501, handle. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0037] Please refer to Figure 1 , Figure 2 , Figure 4 and Figure 5The ammonia tower bottom water pumping device in the embodiment comprises a pumping structure 1, a heat exchange structure 2 and a mounting structure 3. The pumping structure 1 comprises a pumping pump 101. The heat exchange structure 2 comprises a heat exchange tank 201. The mounting structure 3 comprises a mounting plate 301. The pumping pump 101 is fixedly connected with a pumping pipe 102 and a liquid inlet pipe 103 at the input end and the output end respectively. The heat exchange tank 201 is internally provided with a heat exchange bin 202, a filtering bin 203 and a collecting bin 205. The filtering bin 203 is fixedly connected with a liquid inlet hopper 204 at the top. The liquid inlet pipe 103 is fixedly connected with the liquid inlet hopper 204 at the output end. The filtering bin 203 is fixedly connected with a mounting frame 2015 at the side. The mounting plate 301 is mounted and connected in the mounting frame 2015. The heat exchange tank 201 is internally provided with two heat exchange pipes 4. The heat exchange pipes 4 are arranged in the filtering bin 203 at the input end. The heat exchange pipes 4 are arranged in the collecting bin 205 at the output end.

[0038] The mounting plate 301 is fixedly connected with a sliding frame 302 at the back. The sliding frame 302 is internally provided with a recess 303 at the top. The recess 303 is internally placed with a filtering frame 5. The sliding frame 302 is fixedly connected with a filtering plate 304 at the internal side. The mounting frame 2015 is internally provided with a fixing hole 2016 at the opposite sides. The mounting plate 301 is internally provided with two T-shaped movable slots 306. The T-shaped movable slots 306 are fixedly connected with a connecting spring 307 at the internal side. The connecting spring 307 is fixedly connected with a pushing plate 308 at one end. The pushing plate 308 is fixedly connected with a fixing rod 309 at the side. The fixing rod 309 is slidably arranged through the T-shaped movable slot 306 at one end and is clamped in the fixing hole 2016. The filtering frame 5 and the filtering plate 304 are arranged. The pumping pump 101 is operated. The wastewater can be pumped into the collecting bin 205 through the pumping pipe 102 and the liquid inlet pipe 103. Then the wastewater is filtered under the action of the filtering frame 5 and the filtering plate 304. The impurities in the filtering frame 5 and the filtering plate 304 can be filtered. The impurities in the filtering frame 5 and the filtering plate 304 can be cleaned when needed. The pushing plate 308 is pulled. The one end of the fixing rod 309 is separated from the fixing hole 2016. The sliding frame 302 is taken out from the collecting bin 205 after the separation. The impurities on the filtering frame 5 and the filtering plate 304 can be cleaned. The mounting frame 2015 is fixedly connected with a concave sealing strip 2017 at the internal side. The mounting plate 301 is fixedly connected with a convex sealing strip 3010 at the back. The convex sealing strip 3010 is clamped in the concave sealing strip 2017 at the end face. The convex sealing strip 3010 and the concave sealing strip 2017 are arranged. The sealing property between the mounting plate 301 and the mounting frame 2015 is improved.

[0039] Please refer to Figure 2 and Figure 3The heat exchange tank 201 is internally provided with a perforation 2010, the top end of the perforation 2010 is fixedly connected with an agitating motor 2011, the agitating motor 2011 can drive the agitating blade 2014 to rotate, the mixing of the liquid in the heat exchange bin 202 is enhanced, the bottom end of the heat exchange bin 202 is fixedly connected with a magnetic coupler 2012, the output end of the agitating motor 2011 is fixedly connected with the power input end of the magnetic coupler 2012, the power output end of the magnetic coupler 2012 is fixedly connected with a rotating rod 2013, the magnetic coupler 2012 can completely isolate the power end from the working medium under the action of the magnetic coupler 2012, the liquid leakage is prevented, and the airtightness of the device is ensured, a plurality of agitating blades 2014 are fixedly connected to the surface of the rotating rod 2013, the agitating blades 2014 are in the heat exchange bin 202, the water in the heat exchange bin 202 is agitated by the rotating agitating blades 2014, the water flow effect is improved, and the heat absorption is accelerated.

[0040] Please refer to Figure 2 and Figure 4 The surface of the heat exchange tank 201 is fixedly connected with a water inlet pipe 2018, a first drain valve 206 and a temperature table 208, the output end of the water inlet pipe 2018, the input end of the first drain valve 206 and the detection end of the temperature table 208 are arranged on the inner side of the heat exchange bin 202, the temperature table 208 is arranged, the temperature of the water in the heat exchange bin 202 is detected, the bottom of the heat exchange tank 201 is fixedly connected with a second drain valve 207 and a plurality of supporting rods 209, the input end of the second drain valve 207 is arranged at the bottom end of the collection bin 205, the second drain valve 207 is arranged, the wastewater after cooling is discharged, the side of the filter frame 5 is fixedly connected with a handle 501, the front of the mounting plate 301 is fixedly connected with a handle 305, the handle 305 is pulled, the sliding frame 302 is taken out of the collection bin 205, after the taking out is completed, the impurities on the filter frame 5 and the impurities in the filter plate 304 are cleaned, the handle 501 is arranged, and the filter frame 5 is quickly disassembled, replaced or cleaned by the operating personnel.

[0041] In the embodiment, the filter frame 5 and the filter plate 304 are arranged, the extraction pump 101 is operated, the wastewater is extracted into the collection bin 205 through the extraction pipe 102 and the liquid inlet pipe 103, and then the filter frame 5 and the filter plate 304 are arranged, so that the impurities in the wastewater are filtered, when the impurities in the filter frame 5 and the filter plate 304 need to be cleaned, the fixed rod 309 is separated from the fixed hole 2016 by pulling the actuating plate 308, after the separation is completed, the handle 305 is pulled, the sliding frame 302 is taken out of the collection bin 205, after the taking out is completed, the impurities on the filter frame 5 and the impurities in the filter plate 304 are cleaned.

[0042] The working principle of the above embodiment is that when the wastewater at the bottom of the ammonia distillation tower needs to be pumped out, the device is installed at the appropriate position, after installation, the pumping pump 101 is operated, through the pumping pipe 102 and the liquid inlet pipe 103, the wastewater can be pumped into the filtering bin 203, then under the action of the filtering frame 5 and the filter plate 304, the impurities in the wastewater can be filtered, the filtered wastewater passes through the heat exchange pipe 4 and under the action of the heat exchange pipe 4, heat exchange can be carried out in the heat exchange bin 202, and under the action of the cold water in the heat exchange bin 202, the wastewater can be cooled, the cooled wastewater can flow into the collection bin 205 and be discharged through the second drain valve 207;

[0043] When the impurities in the filtering frame 5 and the filter plate 304 need to be cleaned, the toggle plate 308 is pulled to make one end of the fixed rod 309 disengage from the fixed hole 2016, after disengagement, the handle 305 is pulled to take out the sliding frame 302 from the collection bin 205, after taking out, the impurities on the filtering frame 5 and the impurities in the filter plate 304 can be cleaned.

[0044] It should be noted that in this document, the relationship terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of other identical elements in the process, method, article or equipment including the element.

[0045] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A bottom pumping device for an ammonia stripping tower, comprising an extraction structure (1), a heat exchange structure (2), and an installation structure (3), characterized in that: The extraction structure (1) includes an extraction pump (101), the heat exchange structure (2) includes a heat exchange tank (201), and the mounting structure (3) includes a mounting plate (301). The extraction pump (101) has an extraction pipe (102) and an inlet pipe (103) fixedly connected to its input and output ends, respectively. The heat exchange tank (201) has a heat exchange chamber (202), a filter chamber (203), and a collection chamber (205) inside. The top of the filter chamber (203) is fixedly connected to an inlet pipe. The liquid hopper (204) has its output end of the liquid inlet pipe (103) fixedly connected to the top of the liquid inlet hopper (204). The side of the filter chamber (203) is fixedly connected to the mounting frame (2015). The mounting plate (301) is installed in the mounting frame (2015). The heat exchange tank (201) is equipped with two heat exchange tubes (4). The input end of the heat exchange tube (4) is located in the filter chamber (203), and the output end of the heat exchange tube (4) is located in the collection chamber (205). A sliding frame (302) is fixedly connected to the back of the mounting plate (301). A groove (303) is provided on the top of the sliding frame (302). A filter frame (5) is placed inside the groove (303). A filter plate (304) is fixedly connected to the inner side of the sliding frame (302). Fixing holes (2016) are provided on both opposite sides inside the mounting frame (2015). Two T-shaped movable grooves (306) are provided inside the mounting plate (301). A connecting spring (307) is fixedly connected to the inner side of the T-shaped movable groove (306). A toggle plate (308) is fixedly connected to one end of the connecting spring (307). A fixing rod (309) is fixedly connected to the side of the toggle plate (308). One end of the fixing rod (309) slides through the T-shaped movable groove (306) and is engaged in the fixing hole (2016).

2. The ammonia stripping tower bottom pumping device according to claim 1, characterized in that: A concave sealing strip (2017) is fixedly connected to the inner side of the mounting frame (2015), and a convex sealing strip (3010) is fixedly connected to the back of the mounting plate (301). The end face of the convex sealing strip (3010) is snapped into the concave sealing strip (2017).

3. The ammonia stripping tower bottom pumping device according to claim 1, characterized in that: The heat exchange tank (201) has a perforation (2010) inside, and an agitator motor (2011) is fixedly connected to the top of the perforation (2010).

4. The ammonia stripping tower bottom pumping device according to claim 3, characterized in that: A magnetic coupler (2012) is fixedly connected to the bottom of the heat exchange chamber (202). The output end of the stirring motor (2011) is fixedly connected to the power input end of the magnetic coupler (2012). A rotating rod (2013) is fixedly connected to the power output end of the magnetic coupler (2012).

5. The ammonia stripping tower bottom pumping device according to claim 4, characterized in that: Multiple agitator blades (2014) are fixedly connected to the surface of the rotating rod (2013), and the agitator blades (2014) are located inside the heat exchange chamber (202).

6. The ammonia stripping tower bottom pumping device according to claim 1, characterized in that: The heat exchange tank (201) is fixedly connected to a water inlet pipe (2018), a first drain valve (206) and a thermometer (208). The output end of the water inlet pipe (2018), the input end of the first drain valve (206) and the detection end of the thermometer (208) are all located on the inner side of the heat exchange chamber (202).

7. The ammonia stripping tower bottom pumping device according to claim 1, characterized in that: The heat exchange tank (201) is fixedly connected to a second drain valve (207) and multiple support rods (209) at the bottom. The input end of the second drain valve (207) is located at the bottom of the collection chamber (205).

8. The ammonia stripping tower bottom pumping device according to claim 1, characterized in that: The filter frame (5) is fixedly connected to a handle (501) on its side, and the mounting plate (301) is fixedly connected to a handle (305) on its front.

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