Energy-saving device for producing urea solution for vehicles

Abstract

The utility model relates to an energy-saving device for producing an automotive urea solution, which comprises a first reaction kettle, a second reaction kettle and a runner pipe arranged between the first reaction kettle and the second reaction kettle, and the interiors of the first reaction kettle, the second reaction kettle and the runner pipe are communicated. The outer sides of the first reaction kettle and the second reaction kettle are both sleeved with a plurality of energy-saving rings, the outer sides of the energy-saving rings are provided with positioning seats and rotating frames which are used for combined positioning, and the outer sides of the first reaction kettle and the second reaction kettle are both fixedly provided with positioning frames used for positioning and auxiliary supporting; and the positioning frame penetrates between the positioning seat and the rotating frame. According to the energy-saving device for producing the automotive urea solution, hot air forms a hot flow ring in the energy-saving ring under the condition that the hot air continuously flows towards the interior of the circulation ring channel, and the effect that gas at different temperatures on the outer side makes contact with the interior of the first reaction kettle and the interior of the second reaction kettle to affect is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to urea solution production technical field, specifically is a kind of energy-saving device for vehicle urea solution production. BACKGROUND

[0002] Vehicle urea is the necessary product for heavy diesel vehicle to reach national four emission standards, and vehicle urea refers to urea solution with urea concentration of 32.5% and solvent being ultra-pure water, and raw material being vehicle urea special raw material and ultra-pure water.

[0003] Domestic vehicle urea is mainly obtained from industrial urea purification, and its main principle is that urea hydrolysis occurs in aqueous solution at a temperature of 70-75 DEG C, and urea is crystallized from aqueous solution again at a temperature below 30 DEG C. The traditional preparation is adjusted by a single reaction kettle, which is easy to cause conflict and offset between heating and cooling in the kettle, resulting in that energy cannot be fully utilized, which can cause loss. Moreover, the existing reaction device only has heat insulation components inside, without additional heat insulation components outside, which is easy to cause single heat insulation efficiency, cannot be conveniently and efficiently insulated, and causes serious energy dissipation and energy waste.

[0004] Therefore, an energy-saving device for vehicle urea solution production is proposed to solve the problems in the prior art. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides an energy-saving device for vehicle urea solution production, which can improve the heat insulation effect and conveniently and diversely adjust the heat insulation.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a first reaction kettle, a second reaction kettle, and a flow pipe arranged between the first reaction kettle and the second reaction kettle are connected inside;

[0007] The first reaction kettle and the second reaction kettle are each sleeved with a plurality of energy-saving rings, the energy-saving rings are provided with positioning seats and rotating frames for combined positioning outside, the first reaction kettle and the second reaction kettle are each fixedly provided with positioning frames for positioning and auxiliary support outside, and the positioning frames penetrate between the positioning seats and the rotating frames.

[0008] Preferably, a plurality of flow-through holes are formed in the inner wall of the energy-saving ring, the flow-through holes are evenly distributed in the form of annulus on the inner wall of the energy-saving ring, and the outer port specification of the flow-through holes is smaller than the inner port specification of the flow-through holes.

[0009] Preferably, a flow-through annular channel is formed in the middle of the energy-saving ring, and the flow-through annular channel is in internal communication with the flow-through holes.

[0010] Preferably, the positioning frame outer side surface is uniformly provided with a plurality of positioning racks, and the rotating frame inner wall is provided with a clamping layer inserted with the positioning racks.

[0011] Preferably, the clamping layer is located in the middle of the positioning seat, the positioning seat is located in the middle of the rotating frame, and the rotating frame and the positioning seat are simultaneously inserted with a rotating shaft.

[0012] Preferably, the rotating shaft outer side rotating sleeve is provided with a rotating arm, the rotating arm lower end outer side is provided with an inner ring hole, and an arc-shaped groove with a limiting strip is penetratingly arranged in the middle of the inner ring hole.

[0013] Preferably, the rotating frame is provided with a positioning arm on each of the two sides, the positioning arm side edge is penetratingly provided with a positioning hole, a positioning rod head is penetratingly arranged in the middle of the positioning hole, the positioning rod head is installed on the outer side of the energy-saving ring, and the positioning rod head is penetratingly arranged with the inner ring hole.

[0014] Compared with the prior art, the energy-saving device for vehicle urea solution production has the following beneficial effects:

[0015] 1. The energy-saving device for vehicle urea solution production uses double reaction kettles for urea solution production, so that the urea solution is processed respectively, and the overall processing efficiency is improved.

[0016] 2. The energy-saving device for vehicle urea solution production forms a hot flow ring in the energy-saving ring under the continuous flow of hot gas to the inside of the flow circulation ring, and forms a temperature isolation cover outside the first reaction kettle and the second reaction kettle under the combined use of a plurality of hot flow rings, thereby preventing the outside different temperature gas from contacting and affecting the inside of the first reaction kettle and the second reaction kettle.

[0017] 3. The energy-saving device for vehicle urea solution production is positioned and connected based on the limiting strip in the inner ring hole and the limiting groove in the positioning rod head, so that the inner ring hole limits the positioning rod head, and the positioning arm is positioned, thereby improving the clamping fastening strength of the rotating frame and the energy-saving ring.

[0018] 4. The energy-saving device for vehicle urea solution production is fixed based on the positioning seat, the rotating frame and the energy-saving ring, and is positioned and fastened by the rotating frame, so that the energy-saving ring can be fastened at different positions, and the device can be positioned and fastened when different numbers of energy-saving rings are used at different positions. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole structure schematic view of the utility model;

[0020] Figure 2 It is an energy-saving ring connection state structure schematic view of the utility model;

[0021] Figure 3 It is energy-saving ring three-dimensional structure schematic view of the utility model;

[0022] Figure 4 It is positioning connection mode structure schematic view of the utility model;

[0023] Figure 5 It is rotating frame structure schematic view of the utility model;

[0024] Figure 6 It is energy-saving ring another form structure schematic view of the utility model.

[0025] In the figure: 1, first reaction kettle;2, second reaction kettle;3, flow pipe;4, energy-saving ring;401, flow hole;402, flow ring channel;5, positioning frame;6, positioning seat;601, rotating frame;602, clamping layer;603, rotating shaft;604, positioning arm;605, positioning hole;606, positioning rod head;607, inner ring hole;608, rotating arm. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] Embodiment:

[0028] Please refer to Figure 1 - Figure 6 The energy-saving device for producing urea solution for vehicle in the embodiment comprises a first reaction kettle 1, a second reaction kettle 2, and a flow pipe 3 arranged between the first reaction kettle 1 and the second reaction kettle 2, and the first reaction kettle 1, the second reaction kettle 2 and the flow pipe 3 are internally communicated.

[0029] A plurality of energy-saving rings 4 are sleeved on the outer sides of the first reaction kettle 1 and the second reaction kettle 2, and the energy-saving rings 4 are provided with positioning seats 6 and rotating frames 601 on the outer sides for combined positioning, and the first reaction kettle 1 and the second reaction kettle 2 are fixedly provided with positioning frames 5 on the outer sides for positioning auxiliary support, and the positioning frames 5 penetrate between the positioning seats 6 and the rotating frames 601.

[0030] The urea solution production equipment is provided with a first reaction kettle 1 and a second reaction kettle 2 in combination, the temperature in the first reaction kettle 1 is controlled at 70-75 DEG C, the urea in the first reaction kettle 1 is hydrolyzed in the aqueous solution, the temperature in the second reaction kettle 2 is controlled below 30 DEG C, the urea is crystallized from the aqueous solution again, the purity of the urea is improved, the production of the urea solution is realized by the double-kettle use, the processing efficiency of each kettle is improved, and the traditional heating and cooling equipment is used to meet the processing requirements of the device.

[0031] The first reaction kettle 1 and the second reaction kettle 2 are provided with energy-saving rings 4 of corresponding specifications outside, and the lower half of the energy-saving rings 4 is provided with a conical part, so that the heat insulation effect is provided outside the first reaction kettle 1 and the second reaction kettle 2, the outside of the first reaction kettle 1 and the second reaction kettle 2 is not directly in contact with the outside air, the temperature difference between the inside and the outside of the first reaction kettle 1 and the second reaction kettle 2 is prevented from being large, the temperature loss of the inside of the first reaction kettle 1 and the second reaction kettle 2 is prevented, the use temperature of the first reaction kettle 1 and the second reaction kettle 2 is ensured, and the long-term stability of the use is improved.

[0032] The positioning frame 5, the positioning seat 6 and the rotating frame 601 are combined to position the energy-saving rings 4 at different positions, so that the strength of the connection of the energy-saving rings 4 is ensured.

[0033] Finally, the existing control valve is arranged at the connection between the flow pipe 3 and the first reaction kettle 1 and the second reaction kettle 2, the flow in the flow pipe 3 is manually or automatically controlled, the flow of the material in the first reaction kettle 1 to the second reaction kettle 2 is adjusted and controlled, and the safety and reasonableness of the use are ensured.

[0034] The inner wall of the energy-saving ring 4 is provided with a plurality of flow holes 401, the flow holes 401 are annularly and uniformly distributed on the inner wall of the energy-saving ring 4, and the outer port specification of the flow hole 401 is smaller than the inner port specification of the flow hole 401.

[0035] The middle part of the energy-saving ring 4 is provided with a flow ring channel 402, and the flow ring channel 402 is in communication with the inside of the flow hole 401.

[0036] Based on the inconsistent specifications of the front and rear ports of the flow hole 401, after the hot gas outside the first reaction kettle 1 and the second reaction kettle 2 flows into the front port of the flow hole 401, the hot gas flows quickly due to the expansion of the rear port, and the reverse flow of the hot gas is prevented, the hot gas continuously flows into the flow ring channel 402, the hot gas forms a hot flow ring in the energy-saving ring 4, a temperature isolation cover is formed outside the first reaction kettle 1 and the second reaction kettle 2 by the combination of a plurality of hot flow rings, the effect that the outside different temperature gas does not contact and affect the inside of the first reaction kettle 1 and the second reaction kettle 2 is prevented, the continuous stability of the inside temperature of the device is improved, the heat dissipation of the device is prevented, and the energy-saving effect is improved.

[0037] The outer side surface of the positioning frame 5 is uniformly provided with a plurality of positioning racks, and the inner wall of the rotating frame 601 is provided with a clamping layer 602 inserted with the positioning racks;

[0038] The clamping layer 602 is located in the middle of the positioning seat 6, the positioning seat 6 is located in the middle of the rotating frame 601, and the rotating frame 601 and the positioning seat 6 are simultaneously inserted with the rotating shaft 603;

[0039] The rotating shaft 603 is rotatably sleeved with a rotating arm 608, the outer side of the lower end of the rotating arm 608 is provided with an inner ring hole 607, and the middle part of the inner ring hole 607 is provided with an arc-shaped groove with a limiting strip;

[0040] The rotating frame 601 is provided with a positioning arm 604 on the corresponding two sides, the side of the positioning arm 604 is provided with a positioning hole 605, the middle part of the positioning hole 605 is provided with a positioning rod head 606, the positioning rod head 606 is installed on the outer side of the energy-saving ring 4, and the positioning rod head 606 penetrates the inner ring hole 607;

[0041] Based on the fixation of the positioning frame 5 and the first reaction kettle 1, the fixation of the positioning frame 5 and the second reaction kettle 2, the fixation of the positioning seat 6 and the energy-saving ring 4, and the rotation connection of the rotating shaft 603 to the positioning seat 6 and the rotating frame 601, after positioning of the rotating frame 601 and the positioning frame 5, the energy-saving ring 4 and the positioning frame 5 form a positioning state, thereby ensuring the reliability of the use position of the energy-saving ring 4;

[0042] By rotating the rotating frame 601, the clamping layer 602 is positioned and inserted with the positioning rack, at the same time, the positioning hole 605 is inserted and positioned with the positioning rod head 606, then the rotating arm 608 is rotated, the inner ring hole 607 penetrates the positioning rod head 606, the inner ring hole 607 contacts the upper surface of the positioning hole 605, and based on the positioning connection of the limiting strip in the inner ring hole 607 and the limiting groove in the positioning rod head 606, the inner ring hole 607 limits the positioning rod head 606, and at the same time, the positioning arm 604 is positioned, thereby improving the clamping fastening strength of the rotating frame 601 and the energy-saving ring 4, and improving the reliability of the use position of the energy-saving ring 4;

[0043] Based on the fixation of the positioning seat 6, the rotating frame 601 and the energy-saving ring 4, when the position of the energy-saving ring 4 is adjusted, the positioning seat 6 and the rotating frame 601 will move at the same time, and based on the fixation of the positioning frame 5, by positioning and fastening the rotating frame 601, the energy-saving ring 4 can be fastened at different positions, so that the device can be positioned and fastened when different numbers of energy-saving rings 4 are used at different positions.

[0044] The mounting mode, the connecting mode or the setting mode disclosed in the embodiment are all common mechanical connecting modes, and can be implemented as long as the beneficial effects can be achieved, in addition, the electrical components appearing in the embodiment are all electrically connected with the master controller and the power supply, the master controller can be a conventional known device such as a computer which plays a control role, the control of the electrical components can be realized by simple programming by the person skilled in the art, and the existing disclosed power connection technology also belongs to the common knowledge in the art, so the specific structural composition and working principle of the embodiment will not be described too much.

[0045] It should be noted that, in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without limitation, an element preceded by "comprises... a" does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0046] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An energy-saving device for producing a vehicle urea solution, comprising a first reactor (1), a second reactor (2), and a flow pipe (3) arranged between the first reactor (1) and the second reactor (2), characterized in that: The first reactor (1), the second reactor (2), and the flow pipe (3) are in communication; The first reactor (1) and the second reactor (2) are each sleeved with a plurality of energy-saving rings (4), the energy-saving rings (4) are provided with positioning seats (6) and rotating frames (601) on the outside for combined positioning, the first reactor (1) and the second reactor (2) are each fixedly provided with positioning frames (5) on the outside for positioning and auxiliary support, and the positioning frames (5) penetrate between the positioning seats (6) and the rotating frames (601).

2. The energy-saving device for producing a urea solution for vehicles according to claim 1, characterized in that: A plurality of flow holes (401) are formed in the inner wall of the energy-saving ring (4), the flow holes (401) are annularly and uniformly distributed on the inner wall of the energy-saving ring (4), and the outer port size of the flow holes (401) is smaller than the inner port size of the flow holes (401).

3. The energy-saving device for producing a urea solution for vehicles according to claim 2, characterized in that: A flow ring channel (402) is formed in the middle of the energy-saving ring (4), and the flow ring channel (402) is in communication with the flow holes (401).

4. The energy-saving device for producing a urea solution for vehicles according to claim 1, characterized in that: A plurality of positioning racks are uniformly arranged on the outer side surface of the positioning frame (5), and a clamping layer (602) is arranged on the inner wall of the rotating frame (601) and is inserted with the positioning racks.

5. The energy-saving device for producing a urea solution for vehicles according to claim 4, characterized by: The clamping layer (602) is located in the middle of the positioning seat (6), the positioning seat (6) is located in the middle of the rotating frame (601), and the rotating frame (601) and the positioning seat (6) are simultaneously inserted with a rotating shaft (603).

6. The energy-saving device for producing a urea solution for vehicles according to claim 5, characterized by: A rotating arm (608) is rotatably sleeved on the outside of the rotating shaft (603), an inner ring hole (607) is arranged on the lower end of the rotating arm (608), and an arc-shaped groove with a limiting strip is penetratingly arranged in the middle of the inner ring hole (607).

7. The energy-saving device for producing a urea solution for vehicles according to claim 6, characterized by: Positioning arms (604) are mounted on the two opposite sides of the rotating frame (601), positioning holes (605) are penetratingly arranged on the side edges of the positioning arms (604), positioning rod heads (606) are penetratingly arranged in the middle of the positioning holes (605), the positioning rod heads (606) are mounted on the outside of the energy-saving ring (4), and the positioning rod heads (606) and the inner ring hole (607) are penetrating.

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