Chemical reaction kettle capable of recycling waste heat

By combining the design of insulation layer, thermal storage salt and resistance wire, the problem of heat loss after heating in chemical reaction vessels is solved, the waste heat is recovered and utilized, and energy waste is reduced.

CN223732726UActive Publication Date: 2025-12-30KAIYUAN CHEM MASCH CONTAINER CO LTD
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Patent Information

Application Number
CN202520019413.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-06
Publication Date
2025-12-30
Estimated Expiration
2035-01-06

AI Technical Summary

Technical Problem

Existing chemical reactors lose residual heat over time after heating, resulting in heat waste.

Method used

The design employs a combination of insulation layer, thermal storage salt, and resistance wire. The resistance wire heats the inside of the reactor, the insulation layer prevents heat loss, the thermal storage salt stores heat, and the recovery unit recovers and utilizes the heat.

Benefits of technology

This effectively prevents heat loss, reduces the power consumption of the resistance wire, and enables the recovery and utilization of waste heat.

✦ Generated by Eureka AI based on patent content.

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Abstract

The chemical reaction kettle comprises a reaction kettle body, the top of the reaction kettle body is fixedly connected with a cover body through a bolt, a conical hopper is fixedly connected to the lower portion of the inner wall of the reaction kettle body, a temperature controller is installed on the front face of the reaction kettle body, and a temperature sensor is installed on the front face of the reaction kettle body. A heating device is arranged in the reaction kettle body and comprises a heat preservation layer which is fixedly connected to the inner walls of the reaction kettle body and the cover body; the first electric valve is installed on the side face of the bottom of the conical hopper. The utility model relates to the technical field of chemical engineering reaction kettles capable of recycling waste heat, through the cooperation among a heat preservation layer, heat storage salt and a resistance wire, when raw materials in a reaction kettle body need to react, the temperature in the reaction kettle body is increased through the resistance wire, and the reaction kettle body is heated through the heat preservation layer on the inner wall of the reaction kettle body. And loss of a large amount of internal heat can be effectively avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of chemical reaction kettle that can carry out waste heat recycling, specifically to a chemical reaction kettle that can carry out waste heat recycling. BACKGROUND

[0002] With the continuous development of society, the scientific level is also in the continuous progress, and the chemical industry is one of important components, and the chemical industry process develops before, often needs to use the chemical reaction container to carry out the reaction, therefore needs to use the corresponding chemical reaction kettle.

[0003] The existing chemical reaction kettle heats the inside of the reaction kettle, causing the raw materials inside the reaction kettle to chemically react, and ultimately obtaining the material needed by people.

[0004] However, after the inside of the reaction kettle body is heated and the internal raw materials are removed, a large amount of heat remains in the inside of the reaction kettle, which gradually decreases with time and causes waste. UTILITY MODEL CONTENT

[0005] In view of the deficiency of prior art, the utility model provides a chemical reaction kettle that can carry out waste heat recycling, solves the problem that after the inside of the reaction kettle body is heated and the internal raw materials are removed, a large amount of heat remains in the inside of the reaction kettle, which gradually decreases with time and causes waste.

[0006] To achieve the above purpose, the utility model is realized by the following technical scheme: a chemical reaction kettle that can carry out waste heat recycling, comprising a reaction kettle body, the top of the reaction kettle body is fixedly connected with a cover body through bolts, the inner wall of the reaction kettle body is fixedly connected with a conical hopper below, the front of the reaction kettle body is installed with a temperature controller, the inside of the reaction kettle body is provided with a heating device, the heating device comprises: a heat preservation layer, fixedly connected to the inner walls of the reaction kettle body and the cover body; a first electric valve, installed on the side surface of the bottom of the conical hopper; a hot salt storage, covered on the inner wall bottom of the reaction kettle body, and arranged below the conical hopper; a resistance wire, installed on the inner wall of the reaction kettle body; a heat conduction gasket, fixedly connected to the inner wall of the reaction kettle body, and arranged on the side surface of the resistance wire; a recovery part, arranged outside the reaction kettle body; wherein the inside of the reaction kettle body is heated by the resistance wire and the heat conduction gasket, the heat preservation layer avoids the heat loss of the inside of the reaction kettle body, the first electric valve is started, the heat is transferred to the inner wall bottom of the reaction kettle body, the hot salt storage stores the heat, and the heat is recycled through the recovery part.

[0007] Preferably, the recovery part comprises: a second electric valve, one end of which is installed on one side of the outer wall of the reaction kettle body and below the conical hopper; a heat recovery fresh air exchanger, the input end of which is installed on the other end of the second electric valve; and a transmission pipe, which is connected to the output end of the heat recovery fresh air exchanger and to the top of the side wall of the reaction kettle body; wherein the second electric valve is started, the internal heat of the heat storage salt is extracted into the transmission pipe through the heat recovery fresh air exchanger, and then transferred to the inside of the reaction kettle body through the transmission pipe.

[0008] Preferably, the inside of the reaction kettle body is provided with a stirring unit, which comprises: a servo motor, which is fixedly connected to the top of the reaction kettle body and has an output end penetrating the top of the reaction kettle body through a sealing bearing; and a stirring rod, which is fixedly connected to the output end of the servo motor; wherein the servo motor drives the stirring rod to rotate, thereby completing the chemical reaction work in cooperation with the reaction kettle body.

[0009] Preferably, the inside of the reaction kettle body is provided with a cleaning mechanism, which comprises: a spray head, which is connected to the inner wall of the reaction kettle body; a scraper, which is fixedly connected to the bottom of the stirring rod and abuts against the top of the conical hopper; a discharge pipe, one end of which is connected to the bottom of the conical hopper; and a third electric valve, which is installed on the other end of the discharge pipe and arranged outside the reaction kettle body; wherein the spray head is connected to a water supply device, and the scraper is used to clean the inside of the reaction kettle body, and the third electric valve is started to discharge the raw materials or cleaning wastewater in the reaction kettle body through the discharge pipe.

[0010] Preferably, the top of the cover is provided with a pressure gauge and a pressure relief valve.

[0011] Advantages

[0012] The chemical reaction kettle with waste heat recovery function has the following advantages: when the raw materials in the reaction kettle body need to be reacted, the temperature in the reaction kettle body is raised by the electric resistance wire, the heat loss in the reaction kettle body is effectively avoided by the heat preservation layer on the inner wall of the reaction kettle body, the electric resistance wire can more effectively heat the reaction kettle body by the action of the heat-conducting gasket, after the raw materials are removed and the first electric valve is opened, the heat in the reaction kettle body flows to the bottom of the inner wall of the reaction kettle body, and then the heat is stored by the heat storage salt, when the reaction kettle body needs to work again, the heat is transferred to the inside of the reaction kettle body by the recovery part, and the power of the electric resistance wire can be reduced in the next use.

[0013] When the heat storage salt has a certain amount of heat and the reaction kettle body needs to work again, the second electric valve can be opened, and the heat recovery fresh air exchanger is started, so that the heat stored in the heat storage salt can be extracted and transmitted to the inside of the reaction kettle body through the transmission pipe, and the waste heat can be recycled. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the utility model;

[0015] Figure 2 It is a structural schematic view of the utility model;

[0016] Figure 3 It is Figure 1 It is a structural schematic view of the middle cover body, the reaction kettle body and the resistance wire;

[0017] Figure 4 It is Figure 1 It is a structural schematic view of the third electric valve, the scraper and the discharge pipe.

[0018] In the figure: 1, reaction kettle body; 11, cover body; 12, conical hopper; 2, heating device; 21, heat preservation layer; 22, first electric valve; 23, heat storage salt; 24, resistance wire; 25, heat-conducting gasket; 26, recovery part; 261, second electric valve; 262, heat recovery fresh air exchanger; 263, transmission pipe; 3, stirring unit; 31, servo motor; 32, stirring rod; 4, cleaning mechanism; 41, spray head; 42, scraper; 43, discharge pipe; 44, third electric valve; 5, pressure gauge; 6, pressure relief valve. DETAILED DESCRIPTION

[0019] 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 protection scope of the utility model.

[0020] After the inside of the reaction kettle body is heated and the inside raw materials are taken out, a large amount of heat will be left in the reaction kettle, and the temperature will gradually decrease with time, causing waste.

[0021] Therefore, the utility model provides a kind of chemical reaction kettle of waste heat recycling, by the cooperation between heat preservation layer, heat storage salt and resistance wire, when needing to react raw materials inside reaction kettle body, the temperature inside reaction kettle body is raised by resistance wire, by the heat preservation layer of reaction kettle body inner wall, the internal heat loss can be effectively avoided in large quantities, and by the effect of heat-conducting gasket, resistance wire can more effectively heat reaction kettle body, after raw material reaction is completed, remove raw material, open first electric valve, the heat inside reaction kettle body flows to the inner wall bottom of reaction kettle body, then heat will be stored by heat storage salt, when needing reaction kettle body next time work, by the effect of recovery unit, heat is retransferred to the inside of reaction kettle body, can reduce the power of next resistance wire.

[0022] By the personnel of the art, the parts in the case are sequentially connected, and the specific connection and operation sequence should be referred to the following working principle, and the detailed connection means is the known technology in the art, and the following mainly introduces working principle and process.

[0023] Embodiment one: by Figures 1-4 It can be known that a kind of chemical reaction kettle of waste heat recycling includes reaction kettle body 1, the top of reaction kettle body 1 is fixedly connected with cover 11 by bolt, the inner wall lower side of reaction kettle body 1 is fixedly connected with conical hopper 12, the front of reaction kettle body 1 is installed with temperature controller 13, the model of temperature controller 13 is not specifically described here, heating device 2 is arranged in the inside of reaction kettle body 1, and heating device 2 includes: heat preservation layer 21, which is fixedly connected to the inner wall of reaction kettle body 1 and cover 11;First electric valve 22 is installed at the bottom side of conical hopper 12;Heat storage salt 23 is covered on the inner wall bottom of reaction kettle body 1, and is arranged below conical hopper 12;Resistance wire 24 is installed on the inner wall of reaction kettle body 1;Heat-conducting gasket 25 is fixedly connected to the inner wall of reaction kettle body 1, and is arranged on the side of resistance wire 24;Recovery unit 26 is arranged outside reaction kettle body 1;Wherein, the inside of reaction kettle body 1 is heated by resistance wire 24 and heat-conducting gasket 25, heat preservation layer 21 avoids heat dissipation inside reaction kettle body 1, first electric valve 22 is started, heat is transferred to the inner wall bottom of reaction kettle body 1, heat storage salt 23 stores heat, and heat is recycled by recovery unit 26;

[0024] In the specific implementation process, it is worth pointing out that, wherein, the material of the heat preservation layer 21 is provided as a vacuum heat insulation plate, which has an extremely low thermal conductivity, can effectively avoid the large loss of heat inside the reaction kettle body 1, and the outer wall of the conical hopper 12 is also provided with a heat preservation layer 21, the model of the first electric valve 22 is not specifically described here, and the heat-conducting gasket 25 provided on the side of the resistance wire 24 can make the heat emitted by the resistance wire 24 transmitted to the inside of the reaction kettle body 1, and can avoid the contact of the material with the resistance wire 24, when the raw materials inside the reaction kettle body 1 need to be reacted, the temperature inside the reaction kettle body 1 is raised by the resistance wire 24, and the temperature inside the reaction kettle body 1 is controlled by the temperature controller 13, the heat inside can be effectively avoided by the heat preservation layer 21 on the inner wall of the reaction kettle body 1, and the resistance wire 24 can more effectively heat the reaction kettle body 1 by the action of the heat-conducting gasket 25, after the raw materials are reacted, the raw materials are taken away, the first electric valve 22 is opened, the heat inside the reaction kettle body 1 flows to the inner wall bottom of the reaction kettle body 1, then the heat is stored by the heat storage salt 23, when the reaction kettle body 1 needs to work next time, the heat is retransmitted to the inside of the reaction kettle body 1 by the action of the recovery part 26, which can reduce the power of the resistance wire 24 for next time;

[0025] Further, the recovery part 26 comprises: a second electric valve 261, one end of which is installed on one side of the outer wall of the reaction kettle body 1 and located below the conical hopper 12; a heat recovery fresh air exchanger 262, the input end of which is installed on the other end of the second electric valve 261; and a transmission pipe 263, which is connected to the output end of the heat recovery fresh air exchanger 262 and is connected to the upper side wall of the reaction kettle body 1; wherein, the second electric valve 261 is started, the heat inside the heat storage salt 23 is extracted into the transmission pipe 263 by the heat recovery fresh air exchanger 262, and then is transmitted to the inside of the reaction kettle body 1 by the transmission pipe 263;

[0026] In the specific implementation process, it is worth pointing out that, wherein, the model of the second electric valve 261 is not specifically limited here, when the heat storage salt 23 inside stores a certain amount of heat and the reaction kettle body 1 needs to work again, the second electric valve 261 can be opened, the heat recovery fresh air exchanger 262 is started, and the heat stored in the heat storage salt 23 can be extracted and transmitted to the inside of the reaction kettle body 1 again by the transmission pipe 263, so as to recycle the waste heat;

[0027] Specifically, when the chemical reaction kettle with waste heat recovery is used, when the raw materials inside the reaction kettle body 1 need to be reacted, the temperature inside the reaction kettle body 1 is raised by the resistance wire 24, and the heat loss inside can be effectively avoided by the heat preservation layer 21 on the inner wall of the reaction kettle body 1, and the resistance wire 24 can more effectively heat the reaction kettle body 1 by the action of the heat-conducting gasket 25. After the raw materials are removed, the first electric valve 22 is opened, the heat inside the reaction kettle body 1 flows to the bottom of the inner wall of the reaction kettle body 1, and then the heat is stored by the heat storage salt 23. When the reaction kettle body 1 needs to work next time, the heat is transferred to the inside of the reaction kettle body 1 by the action of the recovery part 26, which can reduce the power of the resistance wire 24 next time. When the heat storage salt 23 inside stores a certain amount of heat, and the reaction kettle body 1 needs to work again, the second electric valve 261 can be opened, and the heat recovery fresh air exchanger 262 can be started, so that the heat stored in the heat storage salt 23 can be extracted and transferred to the inside of the reaction kettle body 1 again through the transfer pipe 263, so that the waste heat can be recovered and utilized.

[0028] Example two: by Figures 1-4 It can be seen that the inside of the reaction kettle body 1 is provided with a stirring unit 3, which comprises: a servo motor 31 fixedly connected to the top of the reaction kettle body 1, and the output end penetrates the top of the reaction kettle body 1 through a sealing bearing; a stirring rod 32 fixedly connected to the output end of the servo motor 31; wherein the servo motor 31 drives the stirring rod 32 to rotate, and cooperates with the reaction kettle body 1 to complete the chemical reaction work;

[0029] In the specific implementation process, it is particularly worth pointing out that when the raw materials inside the reaction kettle body 1 are reacted, the servo motor 31 is started, the output end of the servo motor 31 drives the stirring rod 32 to rotate, so that the raw materials are fully reacted;

[0030] Further, the inside of the reaction kettle body 1 is provided with a cleaning mechanism 4, which comprises: a spray head 41 communicated with the inner wall of the reaction kettle body 1; a scraper 42 fixedly connected to the bottom of the stirring rod 32 and abutting with the top of the conical hopper 12; a discharge pipe 43 one end communicated with the bottom of the conical hopper 12; a third electric valve 44 installed on the other end of the discharge pipe 43 and arranged outside the reaction kettle body 1; wherein the spray head 41 is communicated with the water supply equipment, and cooperates with the scraper 42 to clean the inside of the reaction kettle body 1, and the third electric valve 44 is started, and the raw materials or cleaning wastewater inside the reaction kettle body 1 is discharged through the discharge pipe 43;

[0031] In the implementation process, it is worth pointing out that, wherein the third electric valve 44 model is not described here, when the reaction kettle body 1 inside the raw material is discharged through the discharge pipe 43, and then connected to the water supply device through the spray head 41, at the same time, the servo motor 31 is started, the stirring rod 32 is driven to rotate, and the scraper 42 can clean the top of the conical hopper 12, and then the cleaned wastewater can also be discharged through the discharge pipe 43, the discharge pipe 43 is made of heat preservation material, or composite heat preservation material, to reduce heat loss;

[0032] Further, the top of the cover body 11 is provided with a pressure gauge 5 and a pressure relief valve 6;

[0033] In the implementation process, it is worth pointing out that, wherein the pressure gauge 5 can monitor the internal pressure of the reaction kettle body 1, when the internal pressure is too high, the pressure relief valve 6 can be used to reduce the internal pressure of the reaction kettle body 1, to avoid danger;

[0034] Specifically, on the basis of the above embodiment one, when the reaction kettle body 1 inside the raw material is reacted, the servo motor 31 is started, the output end of the servo motor 31 drives the stirring rod 32 to rotate, so that the raw material is fully reacted, when the reaction kettle body 1 inside the raw material is discharged through the discharge pipe 43, and then connected to the water supply device through the spray head 41, at the same time, the servo motor 31 is started, the stirring rod 32 is driven to rotate, and the scraper 42 can clean the top of the conical hopper 12, and then the cleaned wastewater can also be discharged through the discharge pipe 43, the pressure gauge 5 can monitor the internal pressure of the reaction kettle body 1, when the internal pressure is too high, the pressure relief valve 6 can be used to reduce the internal pressure of the reaction kettle body 1, to avoid danger.

[0035] It should be noted that in this paper, such as first and second relationship terms are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the term "includes", "contains" or any other variant thereof is 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 limitation. The statement "includes a limited element" does not exclude the presence of additional same elements in the process, method, article or equipment including the element.

[0036] In the utility model, unless another definite provision and limitation, the term "installation", "arrangement", "connection", "fixation", "screw connection" and so on term should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can indirectly connect through intermediate medium, can be two element inside's intercommunication or two element's mutual action relation, unless another definite limitation, for the ordinary skill of the art, can understand the above-mentioned term in the utility model specific meaning according to specific circumstances.

[0037] Although the embodiments of the utility model have been shown and described, it will be appreciated by those of ordinary skill in the art that various changes, modifications, alternatives, and variations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A chemical reaction kettle capable of waste heat recovery, comprising a reaction kettle body (1), characterized in that: The top of the reactor body (1) is fixedly connected with a cover (11) through bolts, the inner wall of the reactor body (1) is fixedly connected with a conical hopper (12), the front of the reactor body (1) is provided with a temperature controller (13), the inside of the reactor body (1) is provided with a heating device (2), the heating device (2) comprises: A heat preservation layer (21) is fixedly connected to the inner walls of the reactor body (1) and the cover (11); A first electric valve (22) is installed on the bottom side of the conical hopper (12); A hot salt storage (23) is covered on the bottom of the inner wall of the reactor body (1) and is arranged below the conical hopper (12); An electric resistance wire (24) is installed on the inner wall of the reactor body (1); A heat-conducting gasket (25) is fixedly connected to the inner wall of the reactor body (1) and is arranged on the side of the electric resistance wire (24); A recovery part (26) is arranged outside the reactor body (1); The inside of the reactor body (1) is heated by the electric resistance wire (24) and the heat-conducting gasket (25), the heat preservation layer (21) prevents the heat inside the reactor body (1) from dissipating, the first electric valve (22) is started, the heat is transferred to the bottom of the inner wall of the reactor body (1), the hot salt storage (23) stores the heat, and the heat is recycled through the recovery part (26).

2. The chemical reaction kettle capable of waste heat recycling according to claim 1, characterized in that: The recovery part (26) comprises: A second electric valve (261) is installed on one side of the outer wall of the reactor body (1) and is located below the conical hopper (12); A heat recovery fresh air exchanger (262) is installed at the other end of the second electric valve (261); A transfer pipe (263) is connected to the output end of the heat recovery fresh air exchanger (262) and is connected to the upper side wall of the reactor body (1); The inside heat of the hot salt storage (23) is drawn into the inside of the transfer pipe (263) through the heat recovery fresh air exchanger (262), and then is transferred into the inside of the reactor body (1) through the transfer pipe (263).

3. The chemical reaction kettle capable of waste heat recycling according to claim 1, characterized in that: The inside of the reactor body (1) is provided with a stirring unit (3), and the stirring unit (3) comprises: A servo motor (31) is fixedly connected to the top of the reactor body (1) and the output end penetrates the top of the reactor body (1) through a sealing bearing; A stirring rod (32) is fixedly connected to the output end of the servo motor (31); The servo motor (31) drives the stirring rod (32) to rotate, and cooperates with the reactor body (1) to complete the chemical reaction work.

4. The chemical reaction kettle capable of waste heat recycling according to claim 3, characterized in that: The inside of the reactor body (1) is provided with a cleaning mechanism (4), and the cleaning mechanism (4) comprises: A nozzle (41) is connected to the inner wall of the reactor body (1); A scraper (42) is fixedly connected to the bottom of the stirring rod (32) and is in close contact with the top of the conical hopper (12); A discharge pipe (43) is connected to the bottom of the conical hopper (12); A third electric valve (44) is installed at the other end of the discharge pipe (43) and is arranged outside the reaction kettle body (1); Wherein, the inside of the reaction kettle body (1) is cleaned by connecting the water supply device with the spray head (41) and cooperating with the scraper (42), and the third electric valve (44) is started, so that the raw materials or cleaning wastewater in the inside of the reaction kettle body (1) are discharged through the discharge pipe (43).

5. The chemical reaction kettle capable of waste heat recycling according to claim 1, characterized in that: The top of the cover body (11) is provided with a pressure gauge (5) and a pressure relief valve (6).