Constant temperature device for flaky alkali liquor box
By installing a cooling chamber and a level gauge in the alkali tank, the problem of temperature control during the preparation of flaky alkali was solved, enabling safe and rapid alkali preparation and improved electrolysis efficiency.
Patent Information
- Application Number
- CN202422595036.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-25
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-10-25
AI Technical Summary
In the process of preparing alkali from flake alkali, temperature is difficult to control, leading to problems such as pump damage, burns, alkali mist generation, and low electrolysis efficiency.
A cooling chamber is added to the lower half of the alkali tank. Heat is removed by cooling water circulation to keep the temperature within a reasonable range. A level gauge and temperature sensor are used to monitor and control the liquid level and temperature in real time.
This avoids pump damage and burns, shortens the alkali preparation cycle, improves electrolysis efficiency, and enhances safety and economy.
Smart Images
Figure CN223602460U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to water electrolysis hydrogen production technical field especially relates to a sheet alkali lye tank constant temperature device. BACKGROUND
[0002] Lye tank is important component in water electrolysis hydrogen production equipment, can be divided into two kinds according to mode vertical small reaction kettle and horizontal medium-large reaction kettle, mainly used for electrolytic water hydrogen production equipment before operation, the container used when using sheet alkali to configure lye, after configuring the lye of required concentration, through the lye pump, the lye of good configuration is beaten into the lye circulation system of hydrogen production framework.
[0003] However, in the actual scene, when the sheet alkali is configured, a large amount of heat will be released, if the temperature cannot be maintained in a suitable interval range, the following problems will be derived: when the lye is configured, a large amount of heat is generated, which is easy to burn the pump body when passing through the lye pump, the high temperature generated when the lye is configured makes it difficult for people to approach the operation, which is easy to cause scalding accidents, alkali mist is generated under high temperature, which is easy to cause injury accidents, although appropriate high temperature has the effect of accelerating the melting of alkali and the configuration of alkali, in order to ensure safe operation and prevent the alkali temperature from being too high, it is still necessary to stop and wait for the lye to cool down to the appropriate temperature before configuring the lye, which greatly prolongs the period of alkali configuration, and the lye temperature that is too low will prolong the start-up time of the overall system and reduce the electrolysis efficiency, thereby reducing the overall economy.
[0004] In view of this, a sheet alkali lye tank constant temperature device is provided. UTILITY MODEL CONTENTS
[0005] In order to solve the technical problem of high temperature in the process of lye tank alkali configuration, the utility model provides a sheet alkali lye tank constant temperature device.
[0006] The utility model adopts the following technical scheme: a sheet alkali lye tank constant temperature device, including lye tank, the lower side of lye tank is fixedly connected with cooling chamber, one side of cooling chamber is connected with cooling chamber water outlet pipe, the other side of cooling chamber is connected with cooling chamber water inlet pipe, the lower side of cooling chamber is fixedly connected with two mounting supports, one side of lye tank is provided with liquid level measuring mechanism.
[0007] As a further improvement of the above-mentioned scheme, the liquid level measuring mechanism includes a liquid level gauge upper connection pipe in communication with the upper side of the lye tank, a liquid level gauge lower connection pipe in communication with the lower side of the lye tank, the liquid level gauge lower connection pipe passes through the cooling chamber and extends outward, and a liquid level gauge unit in common communication between the liquid level gauge upper connection pipe and the liquid level gauge lower connection pipe.
[0008] As a further improvement of the above-mentioned scheme, the upper side of the lye tank is connected with a water inlet pipe, the upper side of the lye tank is provided with an alkali configuration port, and the alkali configuration port is located on one side of the water inlet pipe.
[0009] As a further improvement to the above solution, a temperature measuring port is provided on the upper side of the alkali tank, and the bottom of the temperature measuring port is connected to the interior of the alkali tank.
[0010] As a further improvement to the above solution, the lower side of the alkali tank is connected to an alkali outlet pipe and an alkali inlet pipe, which pass downward through the cooling chamber and extend outward.
[0011] As a further improvement to the above solution, a drain pipe is connected to the side of the alkali tank closest to the level gauge unit, the drain pipe passes downward through the cooling chamber and extends outward, and an alkali replenishment interface pipe is connected to the side of the alkali tank away from the level gauge unit, the alkali replenishment interface pipe passes downward through the cooling chamber and extends outward.
[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0013] 1. This utility model adds a cooling chamber that can be attached to the outer surface of the lower half of the alkali tank. When the alkali flakes are added to the alkali mixing port and generate high temperature heat, the heat can be carried away by the cooling water flowing through the cooling chamber, thereby achieving a cooling effect, avoiding high temperature damage to the pump body and burn accidents, and improving the safety of alkali mixing work.
[0014] 2. By injecting circulating cooling water into the cooling chamber, this utility model can control the reaction temperature within a reasonable range of maximum solubility, avoiding the need to wait for the alkali solution to cool down midway due to excessively high solution temperature, thereby shortening the alkali preparation cycle, accelerating electrolysis efficiency, and improving economic efficiency. Attached Figure Description
[0015] Figure 1 A schematic diagram of the overall structure of a sheet-shaped alkali solution tank constant temperature device provided by this utility model;
[0016] Figure 2 for Figure 1 Top view;
[0017] Figure 3 for Figure 1 Side view;
[0018] Figure 4 for Figure 1 A sectional view.
[0019] Explanation of key symbols:
[0020] 1, lye tank; 2, water inlet pipe; 3, alkali mixing port; 4, temperature measuring port; 5, liquid level meter upper connecting pipe; 6, liquid level meter unit; 7, cooling cavity water inlet pipe; 8, liquid level meter lower connecting pipe; 9, blowdown pipe; 10, lye outlet pipe; 11, lye inlet pipe; 12, mounting support; 13, alkali supplement interface pipe; 14, cooling cavity; 15, cooling cavity water outlet pipe. DETAILED DESCRIPTION
[0021] In the following, the utility model will be further described in combination with the drawings and the specific embodiments, and it should be noted that the following described embodiments or technical features can be combined to form new embodiments without conflict.
[0022] Embodiment:
[0023] Please combine Figure 1 - Figure 4 The utility model discloses a sheet shape alkali lye tank constant temperature device, including lye tank 1, the lower side of lye tank 1 is fixedly connected with cooling cavity 14, one side of cooling cavity 14 is connected with cooling cavity water outlet pipe 15, the other side of cooling cavity 14 is connected with cooling cavity water inlet pipe 7, the lower side of cooling cavity 14 is fixedly connected with two mounting supports 12, one side of lye tank 1 is provided with liquid level measuring mechanism.
[0024] Please combine Figure 1 and Figure 4 It is shown that liquid level measuring mechanism includes liquid level meter upper connecting pipe 5 with the upper side of lye tank 1 is communicated, the lower side of lye tank 1 is communicated with liquid level meter lower connecting pipe 8, liquid level meter lower connecting pipe 8 passes through cooling cavity 14 and extends outward, liquid level meter upper connecting pipe 5 and liquid level meter lower connecting pipe 8 are jointly communicated with liquid level meter unit 6, and liquid level meter unit 6 is provided with liquid level sensor.
[0025] Please combine Figure 1 It is shown that the upper side of lye tank 1 is communicated with water inlet pipe 2, and the upper end of water inlet pipe 2 is connected with flange plate, and the upper side of lye tank 1 is provided with alkali mixing port 3, and the outer side of alkali mixing port 3 is provided with sealing cover, and alkali mixing port 3 is located at one side of water inlet pipe 2.
[0026] Please combine Figure 4 It is shown that the upper side of lye tank 1 is provided with temperature measuring port 4, and the bottom of temperature measuring port 4 is communicated with the inside of lye tank 1.
[0027] Please combine Figure 4 The lower side of lye tank 1 is communicated with lye outlet pipe 10 and lye inlet pipe 11 respectively, and lye outlet pipe 10 and lye inlet pipe 11 pass through cooling cavity 14 downward and extend outward.
[0028] Please combine Figure 1As shown, the alkali tank 1 is communicated with a blowdown pipe 9 below the side close to the liquid level meter unit 6, the blowdown pipe 9 is closed normally, is opened when the residual solution in the tank needs to be cleaned, the blowdown pipe 9 penetrates through the cooling chamber 14 downward and extends outward, the alkali tank 1 is communicated with a alkali supplement interface pipe 13 away from the side of the liquid level meter unit 6, the alkali supplement interface pipe 13 penetrates through the cooling chamber 14 downward and extends outward.
[0029] The implementation principle of the constant temperature device for the sheet-shaped alkali alkali tank in the embodiment of the application is as follows: a partition layer is added to the lower half of the alkali tank 1, the partition layer is set as a cooling chamber 14 to form a cavity for cooling water flow, when the staff adds sheet-shaped alkali from the alkali preparation port 3 and injects dissolving water from the water inlet pipe 2, the heat generated by the alkali when meeting water is monitored by the temperature sensor inside the temperature measuring port 4 in real time, when the temperature of the solution inside the alkali tank 1 is higher than the set safety threshold, the external pump is started to inject cooling water into the cooling chamber 14 through the cooling chamber water inlet pipe 7, and the high-temperature cooling water after absorbing heat inside the cooling chamber 14 is discharged to dissipate heat through the cooling chamber water outlet pipe 15, so as to circulate heat dissipation, take away the excess heat in the tank, and keep the temperature in the rated range, the liquid level meter unit 6 and the alkali tank 1 constitute a liquid surface measurement mechanism based on the principle of communicating vessel, which can monitor the height of the liquid surface inside the alkali tank 1 in real time, when the temperature is low, the warm water inside the cooling chamber 14 can also keep the temperature in a reasonable temperature range, the prepared alkali solution can be discharged from the alkali outlet pipe 10, and the excess alkali solution can be reflowed into the alkali inlet pipe 11.
[0030] The above-mentioned embodiments are only preferred embodiments of the present application, and cannot be used to limit the scope of protection of the present application, and any non-essential changes and replacements made by those skilled in the art on the basis of the present application are within the scope of protection of the present application.
Claims
1. A thermostatic device for a sheet alkali caustic tank, comprising a caustic tank (1), characterized in that, The lower side of the lye tank (1) is fixedly connected with a cooling chamber (14), one side of the cooling chamber (14) is communicated with a cooling cavity water outlet pipe (15), the other side of the cooling chamber (14) is communicated with a cooling cavity water inlet pipe (7), the lower side of the cooling chamber (14) is fixedly connected with two mounting supports (12), the upper side of the lye tank (1) is provided with a temperature measuring port (4), the bottom of the temperature measuring port (4) is communicated with the inside of the lye tank (1), one side of the lye tank (1) is provided with a liquid level measuring mechanism.
2. A thermostatic device for a caustic tank as defined in claim 1, wherein The liquid level measuring mechanism comprises a liquid level meter upper connecting pipe (5) communicated with the upper side of the lye tank (1), the lower side of the lye tank (1) is communicated with a liquid level meter lower connecting pipe (8), the liquid level meter lower connecting pipe (8) passes through the cooling chamber (14) and extends outward, and the liquid level meter upper connecting pipe (5) and the liquid level meter lower connecting pipe (8) are jointly communicated with a liquid level meter unit (6).
3. A thermostatic device for a caustic tank as defined in claim 1, wherein The upper side of the lye tank (1) is communicated with a water inlet pipe (2), the upper side of the lye tank (1) is provided with an alkali dispensing port (3), and the alkali dispensing port (3) is located on one side of the water inlet pipe (2).
4. A thermostatic device for a caustic tank according to claim 1, wherein The lower side of the lye tank (1) is respectively communicated with an alkali outlet pipe (10) and an alkali inlet pipe (11), the alkali outlet pipe (10) and the alkali inlet pipe (11) pass through the cooling chamber (14) downward and extend outward.
5. A thermostatic device for a caustic tank as defined in claim 2, wherein The side of the lye tank (1) close to the liquid level meter unit (6) is communicated with a blowdown pipe (9) below, the blowdown pipe (9) passes through the cooling chamber (14) downward and extends outward, and the side of the lye tank (1) away from the liquid level meter unit (6) is communicated with a supplementary alkali interface pipe (13), the supplementary alkali interface pipe (13) passes through the cooling chamber (14) downward and extends outward.