Automatic blowdown device of urea solution hydrolyzer

Abstract

The utility model discloses an automatic blowdown device of urea solution hydrolyzer, including tank, the front edge and the rear edge of the inner wall of the support frame are inserted with screw rod mechanism, and the screw rod mechanism is sleeved with the sweeping disc, the inner wall and the outer wall of the sweeping disc are fixedly connected with the sweeping brush, and one side of the sweeping disc is communicated with the aqueduct, and the aqueduct is communicated with the tank body. And the inner wall and the other side of the sweeping disc communicate with a side water spraying head, one end of the steam inlet communicates with a steam guide pipe, and one end of the steam guide pipe communicates with a condensate water guide pipe. According to the automatic blowdown device of the urea solution hydrolyzer, the sweeping disc, the sweeping brush and the tank body inner wall lead screw can be driven to move through the lead screw mechanism, the tank body inner wall, a condensate water guide pipe and a steam guide pipe can be conveniently swept, water spraying cleaning can be conducted through an inner water spraying head and a side water spraying head, more comprehensive cleaning is facilitated, and the cleaning efficiency is improved. And the lower end of the inner wall of the tank body is of an inclined funnel structure, so that quick leading-out through a drain outlet is facilitated, the cleaning effect is better, and the use is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of urea solution hydrolyzers, in particular to an automatic sewage discharge device for a urea solution hydrolyzer. Background Art

[0002] A urea solution with a concentration of approximately 50% is transported to the urea hydrolysis reactor. Saturated steam enters the hydrolysis reactor through a coiled pipe. The saturated steam, which does not mix with the urea solution, is returned through the coiled pipe. The condensed water is then collected and collected in the customer's hydrophobic expansion tank. The urea solution concentration in the hydrolysis reactor is approximately 50%, and the pressure of the gas-liquid equilibrium system is approximately 0.45-0.6 MPa, with a temperature of approximately 150-160°C. The ammonia-containing gas stream generated in the hydrolysis reactor first enters the ammonia flow metering and regulation module. It is then diluted with the boiler's hot secondary air in the ammonia-air mixer before entering the ammonia-flue gas mixing system. The ammonia flow metering and regulation module includes a mass flow meter, an automatic shut-off valve, a regulating valve, and a pressure transmitter.

[0003] The existing CN203513298U urea solution hydrolyzer adopts multi-hole injection in the pipeline to mix the solution more comprehensively, with extremely high uniformity, greatly improving the decomposition rate, thereby achieving the purpose of energy saving and high efficiency. However, there are shortcomings. The existing equipment has poor cleaning effect on the inner wall and poor sewage discharge effect, and is inconvenient to use. Therefore, an automatic sewage discharge device for a urea solution hydrolyzer is needed to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide an automatic sewage discharge device for a urea solution hydrolyzer to solve the problems mentioned in the above background technology of poor cleaning effect on the inner wall of the urea solution hydrolyzer, poor sewage discharge effect and inconvenient use.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic sewage discharge device for a urea solution hydrolyzer, comprising a tank body, a support frame fixedly connected to the outer wall of the tank body, and a steam inlet connected to one side of the tank body, an inspection port is provided on the other side of the tank body, and a connecting hinge is installed on the upper end of one side of the inspection port, an observation window is installed on the other side of the connecting hinge, and a locking knob is inserted and installed at the lower end of one side of the observation window, a threaded mounting groove is provided at the center position of the upper end of the tank body and at the lower end of one side, and a gas phase thermometer and a liquid phase thermometer are inserted and installed on the inner wall of the threaded mounting groove, and one side of the upper end of the tank body is connected to the installation There is an ammonia outlet, and a regulating valve is installed in the middle of the ammonia outlet. A sewage outlet is installed in the center of the lower end of the tank body, and a closing cover is installed at the lower end of the sewage outlet. A screw mechanism is installed at the front and rear edges of the inner wall of the support frame, and a sweeping brush plate is installed between the screw mechanisms. The inner and outer walls of the sweeping brush plate are fixedly connected with a sweeping brush, and a water pipe is installed on one side of the sweeping brush plate, and a side water spray head is installed on the inner wall and the other side of the sweeping brush plate. A steam conduit is installed at one end of the steam inlet, and a condensed water conduit is installed at one end of the steam conduit. A condensed water outlet is installed at one end of the condensed water conduit.

[0006] Preferably, the gas phase thermometer and the liquid phase thermometer are installed in a rotary sealed manner with the tank body through a threaded mounting groove, the ammonia outlet is distributed in a vertical position at the upper end of the tank body, and the ammonia outlet is connected to the tank body in a rotary opening and closing manner through a regulating valve.

[0007] Preferably, the observation window is flip-connected to the inspection port via a connecting hinge, and the observation window is locked and fixedly connected to the inspection port via a locking knob.

[0008] Preferably, the steam conduit is a spiral structure, and the steam conduit and the condensed water conduit are connected to the inner wall of the tank body at an angle.

[0009] Preferably, the sweeping brush plate and the sweeping brush are annular structures, and the sweeping brush plate and the sweeping brush are connected to the inner wall of the tank body through a screw mechanism in the form of a screw sweeping brush. The inner water spray head is distributed in a circular position on the inner wall of the sweeping brush plate, and the side water spray head is distributed in an inclined position on one side of the sweeping brush plate.

[0010] Preferably, the closure cover is connected to the sewage outlet in a rotating opening and closing manner, and the lower end of the inner wall of the tank body is a funnel structure.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: the automatic sewage discharge device of the urea solution hydrolyzer can drive the sweeping brush plate, the sweeping brush and the screw rod of the inner wall of the tank to move through the screw mechanism, which is convenient for sweeping the inner wall of the tank and the condensate pipe and the steam pipe, and can be sprayed with water for cleaning through the inner water spray head and the side water spray head, which is convenient for more comprehensive cleaning, and the lower end of the inner wall of the tank is a tilted funnel structure, which is convenient for rapid discharge through the sewage outlet, so the cleaning effect is better and it is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a front view of an automatic sewage discharge device of a urea solution hydrolyzer according to the present invention;

[0013] Figure 2 This is a schematic diagram of the internal structure of an automatic sewage discharge device of a urea solution hydrolyzer of the utility model;

[0014] Figure 3 This utility model is an automatic sewage discharge device for a urea solution hydrolyzer Figure 2 Enlarged view of point A in the middle;

[0015] Figure 4 This utility model is an automatic sewage discharge device for a urea solution hydrolyzer Figure 2 Enlarged view of point B in the middle;

[0016] Figure 5 This utility model is an automatic sewage discharge device for a urea solution hydrolyzer Figure 2 Enlarged view of point C in the middle;

[0017] Figure 6 This utility model is an automatic sewage discharge device for a urea solution hydrolyzer Figure 2 Enlarged view of point D in the middle;

[0018] Figure 7 This utility model is an automatic sewage discharge device for a urea solution hydrolyzer Figure 2 Enlarged view of point E in the middle.

[0019] In the figure: 1. Tank body, 2. Support frame, 3. Steam inlet, 4. Condensate outlet, 5. Gas phase thermometer, 6. Water guide pipe, 7. Connecting hinge, 8. Observation window, 9. Liquid phase thermometer, 10. Condensate conduit, 11. Steam conduit, 12. Threaded mounting groove, 13. Ammonia outlet, 14. Regulating valve, 15. Brush plate, 16. Brush, 17. Internal water spray head, 18. Side water spray head, 19. Locking knob, 20. Inspection port, 21. Closing cover, 22. Drain port, 23. Screw mechanism. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] See also Figure 1-7The utility model provides a technical solution: an automatic sewage discharge device for a urea solution hydrolyzer, comprising a tank body 1, a support frame 2, a steam inlet 3, a condensate outlet 4, a gas phase thermometer 5, a water guide pipe 6, a connecting hinge 7, an observation window 8, a liquid phase thermometer 9, a condensate conduit 10, a steam conduit 11, a threaded mounting groove 12, an ammonia outlet 13, a regulating valve 14, a sweeping brush plate 15, a sweeping brush 16, an inner water spray head 17, a side water spray head 18, a locking knob 19, an inspection port 20, a closing cover 21, a sewage outlet 22 and a screw mechanism 23. The tank body 1 The outer wall is fixedly connected to a support frame 2, and a steam inlet 3 is connected and installed on one side of the tank body 1. An inspection port 20 is opened on the other side of the tank body 1, and a connecting hinge 7 is installed on the upper end of one side of the inspection port 20. An observation window 8 is installed on the other side of the connecting hinge 7, and a locking knob 19 is inserted and installed on the lower end of one side of the observation window 8. The observation window 8 is flip-connected to the inspection port 20 through the connecting hinge 7, and the observation window 8 is locked and fixedly connected to the inspection port 20 through the locking knob 19. In this way, the observation window 8 is easy to flip open and close, convenient for internal inspection and maintenance, and easy to use.

[0022] A threaded mounting groove 12 is provided at the center position of the upper end and the lower end of one side of the tank body 1, and a gas phase thermometer 5 and a liquid phase thermometer 9 are installed on the inner wall of the threaded mounting groove 12. The gas phase thermometer 5 and the liquid phase thermometer 9 are installed in a rotationally sealed manner with the tank body 1 through the threaded mounting groove 12. The ammonia outlet 13 is distributed in a vertical position at the upper end of the tank body 1, and the ammonia outlet 13 is connected to the tank body 1 in a rotationally openable and closed manner through a regulating valve 14. In this way, the gas phase thermometer 5 and the liquid phase thermometer 9 are conveniently disassembled and replaced by rotation, and the ammonia outlet 13 is conveniently opened and closed and adjusted, and is easy to use.

[0023] An ammonia outlet 13 is installed on one side of the upper end of the tank body 1, and a regulating valve 14 is installed in the middle of the ammonia outlet 13. A sewage outlet 22 is installed at the center position of the lower end of the tank body 1, and a closing cover 21 is installed at the lower end of the sewage outlet 22. The closing cover 21 is connected to the sewage outlet 22 in a rotating opening and closing connection, and the lower end of the inner wall of the tank body 1 is a funnel structure, which makes the sewage outlet 22 convenient and quick to open and close, and can quickly gather and discharge sewage through the lower end of the inner wall of the tank body 1, with good effect.

[0024] A screw mechanism 23 is installed on the front and rear edges of the inner wall of the support frame 2, and a sweeping brush disc 15 is installed between the screw mechanism 23. The sweeping brush disc 15 and the sweeping brush 16 are annular structures, and the sweeping brush disc 15 and the sweeping brush 16 are connected to the inner wall of the tank body 1 through the screw mechanism 23 in the form of a screw sweeping brush. The inner water spray head 17 is distributed in a circular position on the inner wall of the sweeping brush disc 15, and the side water spray head 18 is distributed in an inclined position on one side of the sweeping brush disc 15. This makes it convenient for the sweeping brush disc 15 and the sweeping brush 16 to be swept by the screw, and the inner water spray head 17 and the side water spray head 18 can be used for spraying and sweeping, and the cleaning effect is good.

[0025] A sweeping brush 16 is fixedly connected to the inner and outer walls of the sweeping brush plate 15, and a water guide pipe 6 is installed on one side of the sweeping brush plate 15, and a side water spray head 18 is installed on the inner wall and the other side of the sweeping brush plate 15. A steam conduit 11 is installed on one end of the steam inlet 3, and a condensate conduit 10 is installed on one end of the steam conduit 11. The steam conduit 11 is a spiral structure, and the steam conduit 11 and the condensate conduit 10 are connected to the inner wall of the tank body 1 at an angle, so that the steam conduit 11 and the condensate conduit 10 can quickly discharge the condensate, which has a good effect and is easy to use. A condensate outlet 4 is installed on one end of the condensate conduit 10.

[0026] Working principle: When using the automatic sewage discharge device of the urea solution hydrolyzer, first connect the device to the power supply, then connect the steam inlet 3 to the device, then inject the urea solution into the tank body 1, and then the steam inlet 3 inputs steam to the steam conduit 11 to react with the urea solution, and the condensed water can be quickly discharged through the condensed water conduit 10 and the condensed water outlet 4. When it is necessary to discharge ammonia, the regulating valve 14 can be rotated to open, and when it is necessary to discharge the urea solution, the closing cover 21 can be rotated to open and discharge the waste liquid. When the inner wall of the tank body 1 needs to be cleaned, water can be guided into the sweeping disc 15 through the water pipe 6, and water can be sprayed through the inner water spray head 17 and the side water spray head 18. Then, the sweeping disc 15 and the sweeping brush 16 are driven to move and sweep through the screw mechanism 23, and the sewage is quickly discharged through the funnel structure at the lower end of the inner wall of the tank body 1. When the inner wall of the tank body 1 needs to be inspected and repaired, the observation window 8 can be flipped open by the connecting hinge 7, and maintenance can be carried out through the inspection port 20. This is the use process of the automatic sewage discharge device of the urea solution hydrolyzer.

[0027] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An automatic sewage discharge device for a urea solution hydrolyzer, comprising a tank body (1), wherein an outer wall of the tank body (1) is fixedly connected to a support frame (2), and a steam inlet (3) is connected and installed on one side of the tank body (1), characterized in that: The tank body (1) is provided with an inspection port (20) on the other side, and a connecting hinge (7) is installed on the upper end of one side of the inspection port (20), an observation window (8) is installed on the other side of the connecting hinge (7), and a locking knob (19) is installed at the lower end of one side of the observation window (8), a threaded mounting groove (12) is provided at the center position of the upper end and the lower end of one side of the tank body (1), and a gas phase thermometer (5) and a liquid phase thermometer (9) are installed on the inner wall of the threaded mounting groove (12), an ammonia outlet (13) is installed on one side of the upper end of the tank body (1), and a regulating valve (14) is installed in the middle of the ammonia outlet (13), and a sewage outlet (22) is installed at the center position of the lower end of the tank body (1) , and a closing cover (21) is installed at the lower end of the sewage outlet (22), a screw mechanism (23) is installed at the front and rear edges of the inner wall of the support frame (2), and a sweeping brush plate (15) is installed between the screw mechanism (23), the inner and outer walls of the sweeping brush plate (15) are fixedly connected with a sweeping brush (16), and a water guide pipe (6) is installed on one side of the sweeping brush plate (15), and a side water spray head (18) is installed on the inner wall and the other side of the sweeping brush plate (15), one end of the steam inlet (3) is installed in communication with a steam conduit (11), and one end of the steam conduit (11) is installed in communication with a condensed water conduit (10), and one end of the condensed water conduit (10) is installed in communication with a condensed water outlet (4).

2. The automatic sewage discharge device of a urea solution hydrolyzer according to claim 1, characterized in that: The gas phase thermometer (5) and the liquid phase thermometer (9) are installed in a rotary sealed manner with the tank body (1) through the threaded mounting groove (12); the ammonia outlet (13) is vertically distributed at the upper end of the tank body (1), and the ammonia outlet (13) is connected to the tank body (1) in a rotary open-close manner through the regulating valve (14).

3. The automatic sewage discharge device of a urea solution hydrolyzer according to claim 2, characterized in that: The observation window (8) is connected to the inspection port (20) in a flip-over manner via a connecting hinge (7), and the observation window (8) is locked and fixedly connected to the inspection port (20) via a locking knob (19).

4. The automatic sewage discharge device of a urea solution hydrolyzer according to claim 3, characterized in that: The steam conduit (11) is a spiral structure, and the steam conduit (11) and the condensed water conduit (10) are connected to the inner wall of the tank body (1) in an inclined manner.

5. The automatic sewage discharge device of a urea solution hydrolyzer according to claim 4, characterized in that: The sweeping brush disc (15) and the sweeping brush (16) are annular in structure, and the sweeping brush disc (15) and the sweeping brush (16) are connected to the inner wall of the tank body (1) in a screw sweeping brush manner through a screw mechanism (23). The inner water spray head (17) is distributed in an annular position on the inner wall of the sweeping brush disc (15), and the side water spray head (18) is distributed in an inclined position on one side of the sweeping brush disc (15).

6. The automatic sewage discharge device of a urea solution hydrolyzer according to claim 5, characterized in that: The closing cover (21) is connected to the sewage outlet (22) in a rotating opening and closing manner, and the lower end of the inner wall of the tank body (1) is a funnel structure.

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