Steam condensate waste heat utilization device for urea production

Abstract

The utility model discloses a steam condensate waste heat utilization device for urea production, which comprises a positioning frame, the upper surface of the positioning frame is fixedly communicated with a reaction kettle, the upper surface of the positioning frame is fixedly communicated with a recovery tank, the upper surface of the reaction kettle is fixedly communicated with a pump body, a spiral pipe is arranged in the recovery tank, and the spiral pipe is communicated with the pump body. The output end of the pump body is fixedly communicated with the top end of a spiral pipe, a heat conduction pipe is arranged in the recycling tank, the bottom end of the spiral pipe penetrates through the inner bottom wall of the recycling tank and extends to the outside of the recycling tank, the bottom end of the heat conduction pipe is fixedly communicated with a discharging pipe, and an electromagnetic valve is arranged on the outer surface of the discharging pipe. According to the device, urea can react through the reaction kettle, steam generated in the reaction kettle can be pumped out through the pump body, materials can be heated through cooperation of the spiral pipe and the heat conduction pipe, heat of the steam in the spiral pipe can be absorbed, the effect of recycling steam waste heat is achieved, and certain resources are saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to urea production field especially a steam condensate liquid waste heat utilization device for urea production. BACKGROUND

[0002] Urea is also called carbamide, is by carbon, nitrogen, oxygen, hydrogen composition organic compound is one of the simplest organic compounds, is the main nitrogen-containing end product of protein metabolism decomposition in mammals and some fish, is also the nitrogen content highest nitrogen fertilizer currently, as a kind of neutral fertilizer, urea is suitable for various soil and plant, it is easy to preserve, convenient to use, the damage to soil is small, is the chemical nitrogen fertilizer with larger use amount currently.

[0003] In the urea production process, steam needs to be added for reaction, and high-temperature steam is also discharged, the steam contains a large amount of water and heat, at present, the steam generated in the urea production process is mostly directly discharged into the air, the waste heat of the steam cannot be utilized, and certain resources are wasted, therefore, the utility model provides a steam condensate liquid waste heat utilization device for urea production to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model discloses a steam condensate liquid waste heat utilization device for urea production, which is used to solve the problems in the background technology.

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

[0006] A steam condensate liquid waste heat utilization device for urea production, comprising a positioning frame, a reaction kettle is fixedly connected to the upper surface of the positioning frame, a recovery tank is fixedly connected to the upper surface of the positioning frame, a pump body is fixedly connected to the upper surface of the reaction kettle, a spiral pipe is arranged in the recovery tank, the output end of the pump body is fixedly connected to the top end of the spiral pipe, a heat conduction pipe is arranged in the recovery tank, the bottom end of the spiral pipe penetrates through the inner bottom wall of the recovery tank and extends to the outside of the recovery tank, a discharge pipe is fixedly connected to the bottom end of the heat conduction pipe, an electromagnetic valve is arranged on the outer surface of the discharge pipe, a first control valve is arranged on the bottom end of the spiral pipe, a feed pipe is fixedly connected to the top end of the reaction kettle, and a second control valve is arranged on the outer surface of the feed pipe.

[0007] In a further embodiment, a feeding cylinder is fixedly connected to the upper surface of the recovery tank, and a feed hopper is fixedly connected to the top end of the feeding cylinder.

[0008] In a further embodiment, a sealing cover is arranged on the upper surface of the feed hopper, and a handle is fixedly connected to the upper surface of the sealing cover.

[0009] In further embodiments, the upper surface of the positioning frame is fixedly connected with a controller, and the upper surface of the controller is provided with a display screen.

[0010] In further embodiments, the upper surface of the positioning frame is fixedly connected with a fixed rod, and the top end of the fixed rod is fixedly connected with a warning light.

[0011] In further embodiments, the bottom surface of the positioning frame is fixedly connected with two symmetrical support legs, and the bottom surface of each of the two support legs is fixedly connected with an anti-skid seat.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The device is convenient for the staff to control through the cooperation of the controller and the display screen, and the cooperation of the feeding cylinder and the feeding hopper is convenient for the staff to add the material to be heated, the urea can be reacted through the reaction kettle, the steam generated in the reaction kettle can be pumped out through the pump body, and the cooperation of the spiral pipe and the heat pipe can heat the material and absorb the heat of the steam in the spiral pipe, so that the effect of reusing the steam waste heat is achieved, and certain resources are saved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a perspective structural schematic view of the steam condensate waste heat utilization device for urea production.

[0015] Figure 2 It is a sectional view of the front view of the recovery tank in the steam condensate waste heat utilization device for urea production.

[0016] Figure 3 It is a sectional view of the top view of the recovery tank in the steam condensate waste heat utilization device for urea production.

[0017] Figure 4 It is a bottom view of the positioning frame in the steam condensate waste heat utilization device for urea production.

[0018] In the figure: 1, positioning frame; 2, reaction kettle; 3, pump body; 4, recovery tank; 5, spiral pipe; 6, first control valve; 7, heat pipe; 8, discharge pipe; 9, electromagnetic valve; 10, feeding pipe; 11, second control valve; 12, feeding cylinder; 13, feeding hopper; 14, sealing cover; 15, handle; 16, fixed rod; 17, warning light; 18, controller; 19, display screen; 20, support leg; 21, anti-skid seat. DETAILED DESCRIPTION

[0019] In the description of the utility model, it is necessary to understand that the orientation or positional relation indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relation shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "a plurality of" is two or more, unless otherwise specified.

[0020] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integral connection, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0022] Please refer to Figures 1-4The utility model discloses a steam condensate waste heat utilization device for urea production, including positioning frame 1, the upper surface fixed communication of positioning frame 1 has the reaction kettle 2, the upper surface fixed communication of positioning frame 1 has the recovery tank 4, the upper surface fixed communication of reaction kettle 2 has the pump body 3, the inside of recovery tank 4 is equipped with spiral pipe 5, the output of pump body 3 is fixedly linked with the top end of spiral pipe 5, the inside of recovery tank 4 is equipped with heat pipe 7, the bottom end of spiral pipe 5 penetrates the inner bottom wall of recovery tank 4 and extends to the outside of recovery tank 4, the bottom end fixed communication of heat pipe 7 has the discharge pipe 8, the outer surface of discharge pipe 8 is equipped with solenoid valve 9, the bottom end of spiral pipe 5 is equipped with first control valve 6, the top end fixed communication of reaction kettle 2 has feeding pipe 10, the outer surface of feeding pipe 10 is equipped with second control valve 11, through reaction kettle 2 can make urea carry out the reaction, utilize pump body 3 can extract the steam generated inside reaction kettle 2, through the cooperation of spiral pipe 5 and heat pipe 7, can heat the material, absorb the heat of the steam in spiral pipe 5, reach the effect of steam waste heat recycling again.

[0023] The upper surface fixed communication of recovery tank 4 has the feeding cylinder 12, the top end fixed connection of feeding cylinder 12 has feeding hopper 13, the upper surface of feeding hopper 13 is equipped with sealing cover 14, the upper surface fixed connection of sealing cover 14 has handle 15, the upper surface fixed connection of positioning frame 1 has controller 18, the upper surface of controller 18 is equipped with display screen 19, through the cooperation of controller 18 and display screen 19, the device is controlled conveniently for staff, utilize the cooperation of feeding cylinder 12 and feeding hopper 13, and staff is convenient to join the material that needs heating, through sealing cover 14 can seal feeding cylinder 12.

[0024] The upper surface fixed connection of positioning frame 1 has fixed rod 16, the top end fixed connection of fixed rod 16 has warning light 17, the bottom of positioning frame 1 is fixedly connected with the support leg 20 of relative symmetry, the bottom of two support legs 20 is fixedly connected with antiskid seat 21, through the cooperation of fixed rod 16 and warning light 17, can warn people, utilize the cooperation of support leg 20 and antiskid seat 21, can stably place the device, avoid the device to slide.

[0025] The working principle of the utility model is:

[0026] In use, first, the device is connected with the corresponding power supply, then through the cooperation of the support leg 20 and the anti-skid seat 21, the device is stably placed in the appropriate position, then the corresponding material and steam are injected by using the cooperation of the feeding pipe 10 and the second control valve 11, then the urea is reacted through the reaction kettle 2, at the same time, the steam generated in the reaction kettle 2 is extracted by using the pump body 3, then the steam enters the spiral pipe 5, through the cooperation of the spiral pipe 5 and the heat conducting pipe 7, the material can be heated, the heat of the steam in the spiral pipe 5 is absorbed, the effect of reusing the steam waste heat is achieved, then the cooperation of the discharge pipe 8 and the electromagnetic valve 9 facilitates the staff to control the discharge of the material.

[0027] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the present application being indicated by the appended claims rather than that of the above description, and it is intended to embrace all changes and modifications that fall within the meaning and scope of equivalents of the claims. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0028] Furthermore, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A steam condensate waste heat utilization device for urea production, characterized by: The utility model relates to a recovery tank with heat conduction pipe and spiral pipe, which comprises a positioning frame (1), a reaction kettle (2) is fixedly communicated with the upper surface of the positioning frame (1), a recovery tank (4) is fixedly communicated with the upper surface of the positioning frame (1), a pump body (3) is fixedly communicated with the upper surface of the reaction kettle (2), a spiral pipe (5) is arranged in the recovery tank (4), the output end of the pump body (3) is fixedly communicated with the top end of the spiral pipe (5), a heat conduction pipe (7) is arranged in the recovery tank (4), the bottom end of the spiral pipe (5) penetrates the inner bottom wall of the recovery tank (4) and extends to the outside of the recovery tank (4), the bottom end of the heat conduction pipe (7) is fixedly communicated with a discharge pipe (8), an electromagnetic valve (9) is arranged on the outer surface of the discharge pipe (8), the bottom end of the spiral pipe (5) is provided with a first control valve (6), the top end of the reaction kettle (2) is fixedly communicated with a feeding pipe (10), and the outer surface of the feeding pipe (10) is provided with a second control valve (11).

2. The steam condensate waste heat utilization device for urea production according to claim 1, characterized in that: The upper surface of the recovery tank (4) is fixedly communicated with a feeding cylinder (12), and the top end of the feeding cylinder (12) is fixedly connected with a feeding hopper (13).

3. The steam condensate waste heat utilization device for urea production according to claim 2, characterized in that: The upper surface of the feeding hopper (13) is provided with a sealing cover (14), and the upper surface of the sealing cover (14) is fixedly connected with a handle (15).

4. The steam condensate waste heat utilization device for urea production according to claim 1, characterized in that: The upper surface of the positioning frame (1) is fixedly connected with a controller (18), and the upper surface of the controller (18) is provided with a display screen (19).

5. The steam condensate waste heat utilization device for urea production according to claim 1, characterized in that: The upper surface of the positioning frame (1) is fixedly connected with a fixing rod (16), and the top end of the fixing rod (16) is fixedly connected with a warning lamp (17).

6. The steam condensate waste heat utilization device for urea production according to claim 1, characterized in that: The bottom surface of the positioning frame (1) is fixedly connected with two symmetrical supporting legs (20), and the bottom surface of each of the two supporting legs (20) is fixedly connected with an antiskid base (21).

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