Self-control hot water tank for reaction kettle
By designing an automated hot water tank on the reactor, using a honeycomb reactor array and a built-in heat exchanger, combined with a DCS controller, the problem of slow response of the electric heating system was solved, achieving uniform heat distribution and precise temperature control, thus improving the temperature consistency of the reactor and the stability of product quality.
Patent Information
- Application Number
- CN202520337012.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2026-03-20
- Estimated Expiration
- 2035-02-28
AI Technical Summary
The existing electric heating system of the reactor has a slow response speed, resulting in a lag in temperature regulation and making it difficult to achieve temperature consistency among multiple reactors, which affects the pickling effect and product quality stability.
It adopts an automatic hot water tank, which includes a honeycomb array of five tank bodies, with built-in heat exchangers and heat recovery heat exchangers. Combined with a DCS controller, it realizes intelligent control to ensure precise temperature regulation and uniform heat distribution.
It improves heat exchange efficiency and temperature control accuracy, reduces energy consumption, and ensures temperature consistency and product quality stability among multiple reactors.
Smart Images
Figure CN224018555U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to hot water tank technical field, concretely is a kind of self-control hot water tank for reaction kettle. BACKGROUND
[0002] In the process of quartz sand pickling, pickling heating is an important link of the whole process, and the pickling effect directly affects whether the product quality can meet the quality control requirements. Therefore, in order to ensure that the pickling temperature of quartz sand reaches the design requirements of pickling reaction process, it is necessary to monitor the temperature of the pickling process. The existing reaction kettle is configured with a heating water tank, which heats the water in the water tank by electric heating, and then indirectly heats the acid liquid in the kettle by heat exchange principle. In this mode, each reaction kettle is equipped with an independent water tank for heating.
[0003] However, the response speed of the electric heating system may be slow, resulting in a lag in temperature regulation. The independent water tank heating mode may not be able to achieve temperature consistency between multiple reaction kettles, and temperature fluctuations may affect the pickling effect, resulting in unstable product quality. SUMMARY
[0004] The utility model aims at providing a kind of self-control hot water tank for reaction kettle to solve the problems raised in the above background technology.
[0005] To solve the above technical problems, the utility model provides a kind of self-control hot water tank for reaction kettle, which comprises a tank body. The shape of the tank body is a pentagonal prism. A kettle body and a discharge pipe are provided above the tank body. The number of the kettle body is five. The five kettle bodies are arranged in a honeycomb shape on the five edges of the top of the tank body. The opposite sides of the five kettle bodies are connected to the discharge pipe. The shape of the discharge pipe is a pentagonal pipe arranged concentrically with the tank body. A part of the discharge pipe extends to the outside of the side of the tank body. The part of the bottom of the kettle body outside the tank body is lower than the top of the tank body. A water supply pipe and a return pipe are installed on the bottom of the side of the kettle body outside the tank body. The ends of the water supply pipe and the return pipe are connected to the inside of the tank body. A built-in heat exchanger is provided in the kettle body. The built-in heat exchanger is connected to the water supply pipe and the return pipe. A water outlet pipe is provided on the side of the kettle body outside the tank body. A heat recovery heat exchanger is installed at the connection between the water outlet pipe and the kettle body.
[0006] Further, a control valve is installed on the side of the water supply pipe outside the tank body, and a hot water circulating pump is installed on the side of the return pipe outside the tank body.
[0007] Further, a sealing cover is provided on the top of the kettle body, and a sealing gasket matched with the sealing cover is provided on the side wall of the kettle body.
[0008] Further, a temperature sensor is installed at the joint of the return pipe and the kettle body, and an electric heating wire is arranged on the inner wall of the box.
[0009] Further, a water level tank is installed at the joint of two adjacent sides of the box, a connecting pipe is connected to the bottom end of the water level tank, the connecting pipe is in U shape, the other end of the connecting pipe is connected to the inner bottom of the box, and a float is arranged in the water level tank.
[0010] Further, a DCS controller is installed on the outer wall of one of the kettle bodies, and the DCS controller is electrically connected with the hot water circulating pump, the heat recovery heat exchanger, the built-in heat exchanger and the temperature sensor.
[0011] Compared with the prior art, the utility model has the advantages that:
[0012] 1、 the utility model discloses five kettle bodies are in honeycomb shape and embrace array at the top of the box, which helps the uniform distribution and effective utilization of heat, improves the heat exchange efficiency, the built-in heat exchanger is connected with the water delivery pipe and the return pipe, realizes the effective transmission and exchange of heat, the heat recovery heat exchanger installed on the outlet pipe can recover heat, further improves the energy utilization efficiency and reduces the energy consumption.
[0013] 2、 the utility model discloses that the DCS controller realizes the intelligent control of system, can automatically adjust the hot water circulating pump speed, control valve opening degree etc. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a kind of self-control hot water tank main body's structural diagram for reaction kettle;
[0015] Figure 2 It is a kind of self-control hot water tank in top structure diagram for reaction kettle;
[0016] Figure 3 It is a kind of self-control hot water tank in the structure diagram for reaction kettle in box;
[0017] Figure 4 It is a kind of self-control hot water tank in the structure diagram for reaction kettle in kettle body.
[0018] In the drawing:
[0019] 1, box; 2, kettle body; 3, water pipe; 4, return pipe; 5, hot water circulating pump; 6, water outlet pipe; 7, heat recovery heat exchanger; 8, control valve; 9, blanking pipe; 10, DCS controller; 11, sealing cover; 12, built-in heat exchanger; 13, sealing gasket; 14, connecting pipe; 15, float; 16, water level tank; 17, electric heating wire. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0021] Please refer to Figure 1-4 , the present application provides a technical scheme:
[0022] Please refer to Figure 1 , Figure 2 and Figure 3 , a self-control hot water tank for a reaction kettle, comprising a box 1, the shape of the box 1 is a five prism, the box 1 is provided with a kettle body 2 and a blanking pipe 9 on the top, the number of the kettle body 2 is five, the five kettle bodies 2 are arranged in a honeycomb shape on the five edges of the top of the box 1, the opposite sides of the five kettle bodies 2 are connected with the blanking pipe 9, the shape of the blanking pipe 9 is a five-edge pipe arranged concentrically with the box 1, a part of the blanking pipe 9 extends to the outside of the side edge of the box 1, the part of the bottom of the kettle body 2 outside the box 1 is lower than the top of the box 1, the water pipe 3 and the return pipe 4 are installed on the bottom of the side of the kettle body 2 outside the box 1, the ends of the water pipe 3 and the return pipe 4 are connected with the inside of the box 1, the built-in heat exchanger 12 is arranged in the kettle body 2, the built-in heat exchanger 12 is connected with the water pipe 3 and the return pipe 4, the water outlet pipe 6 is arranged on the side of the kettle body 2 outside the box 1, and the heat recovery heat exchanger 7 is installed at the connection between the water outlet pipe 6 and the kettle body 2.
[0023] In the specific implementation process, the five kettle bodies 2 are arranged around the top of the box 1, forming an effective heating and heat exchange system, which is arranged in a honeycomb shape on the five edges of the top of the box 1, which is helpful to the uniform distribution and effective utilization of heat, the shape of the blanking pipe 9 is a five-edge pipe arranged concentrically with the box 1, which is connected with the opposite sides of the five kettle bodies 2, which can be used to transport materials into the kettle body 2, connect the kettle body 2 with the inside of the box 1, and be used for water circulation, the built-in heat exchanger 12 is connected with the water pipe 3 and the return pipe 4, and is used for heat exchange, the water outlet pipe 6 is connected with the kettle body 2, and the heat recovery heat exchanger 7 is installed at the connection between the water outlet pipe 6 and the kettle body 2, and is used for heat recovery.
[0024] As shown in Figure 1 and Figure 2 , the top of the kettle body 2 is provided with a sealing cover 11, and the side wall in the kettle body 2 is provided with a sealing gasket 13 matched with the sealing cover 11. In the specific implementation process, the control valve 8 can accurately control the flow of water, so as to adjust the water quantity and water temperature entering the kettle body 2 to meet different reaction requirements. The hot water circulating pump 5 can drive the hot water to circulate between the box body 1 and the kettle body 2, and through circulation, it can ensure that the hot water is fully utilized and the thermal efficiency is improved.
[0025] As shown in Figure 1 and Figure 3 , the temperature sensor is installed at the joint of the return pipe 4 and the kettle body 2, the inner wall of the box body 1 is provided with an electric heating wire 17, the adjacent two side surfaces of the box body 1 are provided with a water level tank 16 at the included angle, the bottom end of the water level tank 16 is connected with a connecting pipe 14, the shape of the connecting pipe 14 is U-shaped, the other end of the connecting pipe 14 is connected to the inner bottom of the box body 1, and the water level tank 16 is internally provided with a float 15.
[0026] In the specific implementation process, the water level tank 16 is used for observing the water level in the box body 1, the bottom end of the water level tank 16 is connected with the inner bottom of the box body 1 through the U-shaped connecting pipe 14, so that the water level in the water level tank 16 is consistent with the water level in the box body 1, and the float 15 is arranged in the water level tank 16 and floats up and down with the change of the water level in the box body 1, so that the water level in the box body 1 can be directly observed.
[0027] As shown in Figure 1 , the outer wall of one of the kettle bodies 2 is provided with a DCS controller 10, and the DCS controller 10 is electrically connected with the hot water circulating pump 5, the heat recovery heat exchanger 7, the built-in heat exchanger 12 and the temperature sensor.
[0028] In the specific implementation process, the DCS controller 10 is used for realizing intelligent control of the hot water tank system, according to the preset program and the real-time feedback signal, the speed of the hot water circulating pump 5, the opening of the control valve 8, the working state of the heat recovery heat exchanger 7 and the like are automatically adjusted to ensure efficient and stable operation of the system, the temperature sensor monitors the temperature of the return water in real time and transmits the signal to the DCS controller 10, the DCS controller 10 adjusts the heating power of the electric heating wire 17 or the speed of the hot water circulating pump 5 according to the preset temperature range, so as to accurately control the water temperature.
[0029] Working principle:
[0030] Step one: When the system starts, the DCS controller 10 will be initialized, check the status of hot water circulating pump 5, heat recovery heat exchanger 7, built-in heat exchanger 12 and temperature sensor, and ensure that they are in normal working mode, the heating wire 17 starts heating under the instruction of DCS controller 10, heating the water in the box 1 to the preset temperature, this temperature is monitored by temperature sensor in real time, and feedback to DCS controller 10 for accurate control, at the same time, hot water circulating pump 5 starts, driving hot water to circulate between the box 1 and the kettle body 2, this circulation ensures the uniform distribution and effective use of heat, through the feeding pipe 9, the material is transported to the five kettle bodies 2, because the kettle body 2 is in the form of honeycomb ring embrace array on the top of the box 1, this layout helps the uniform distribution of heat, so that the reaction in each kettle body 2 can be fully heated, the built-in heat exchanger 12 in the kettle body 2 is connected with the water pipe 3 and the return pipe 4, through the heat exchange process, to ensure that the temperature conditions required by the reaction are met.
[0031] Step two: In the process of reaction, the heat generated will be discharged through the outlet pipe 6, in order to improve the heat efficiency, the outlet pipe 6 is installed with heat recovery heat exchanger 7, which can recover part of the heat for preheating the water entering the system or other heat utilization, water level tank 16 is used to observe the water level in the box 1, when the water level changes, the float 15 will float up and down accordingly, so as to intuitively show the water level in the box 1, according to the need, the amount of water entering the kettle body 2 can be adjusted through the control valve 8, to maintain appropriate water level and reaction conditions.
Claims
1. A self-controlled hot water tank for a reaction vessel, characterized in that, The enclosure includes a box body (1) in the shape of a pentagonal prism. Above the box body (1) are five vessel bodies (2) and a feeding pipe (9). These five vessel bodies (2) are arranged in a honeycomb pattern around the five sides of the top of the box body (1). The opposite sides of the five vessel bodies (2) are connected to the feeding pipe (9). The feeding pipe (9) is a pentagonal pipe arranged concentrically with the box body (1). A portion of the feeding pipe (9) extends beyond the side of the vessel body (2) to the outside of the box body (1). The vessel bodies (2) are located outside the box body (1). A portion of the bottom horizontal plane is lower than the top of the box (1). The bottom of the vessel (2) located outside the box (1) is equipped with a water supply pipe (3) and a return pipe (4). The ends of the water supply pipe (3) and the return pipe (4) are connected to the inside of the box (1). The vessel (2) is equipped with a built-in heat exchanger (12). The built-in heat exchanger (12) is connected to the water supply pipe (3) and the return pipe (4). The side of the vessel (2) located outside the box (1) is equipped with a water outlet pipe (6). A heat recovery heat exchanger (7) is installed at the junction of the water outlet pipe (6) and the vessel (2).
2. The self-controlled hot water tank for a reaction vessel as described in claim 1, characterized in that: The water supply pipe (3) is equipped with a control valve (8) on the side outside the tank (1), and the return pipe (4) is equipped with a hot water circulation pump (5) on the side outside the tank (1).
3. The self-controlled hot water tank for a reaction vessel as described in claim 2, characterized in that: The top of the vessel body (2) is provided with a sealing cap (11), and the inner side wall of the vessel body (2) is provided with a sealing gasket (13) that matches the sealing cap (11).
4. The self-controlled hot water tank for a reaction vessel as described in claim 3, characterized in that: A temperature sensor is installed at the junction of the reflux pipe (4) and the vessel body (2), and an electric heating wire (17) is provided on the inner wall of the box body (1).
5. The self-controlled hot water tank for a reaction vessel as described in claim 4, characterized in that: A water level trough (16) is installed at the included angle of two adjacent sides of the tank (1). A connecting pipe (14) is connected to the bottom of the water level trough (16). The connecting pipe (14) is U-shaped. The other end of the connecting pipe (14) is connected to the bottom of the tank (1). A buoy (15) is installed inside the water level trough (16).
6. The self-controlled hot water tank for a reaction vessel as described in claim 5, characterized in that: One of the vessel bodies (2) has a DCS controller (10) installed on its outer wall. The DCS controller (10) is electrically connected to the hot water circulation pump (5), the heat recovery heat exchanger (7), the built-in heat exchanger (12), and the temperature sensor.