Novel oxyhydrogen gas scrubber
By designing the secondary water replenishment washing part and water sealing chamber structure in the hydrogen and oxygen gas scrubber, efficient washing of hydrogen and oxygen gas and reducing the concentration of alkali liquid are achieved, and the problems of corrosion and low alkali liquid removal efficiency in the prior art are solved.
Patent Information
- Application Number
- CN202420654623.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-01
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-04-01
AI Technical Summary
In the existing electrolytic water hydrogen production technology, the concentration of alkali liquid in the hydrogen and oxygen gas produced is relatively high, which leads to corrosion of the equipment and makes it difficult to efficiently remove alkali liquid, affecting the subsequent use of hydrogen and oxygen gas.
A new type of hydrogen and oxygen gas scrubber is designed, using a secondary water replenishment washing part, including a water replenishment spray pipe, a Ball ring and an overflow pipe. Through the setting of the U-shaped intake pipe and overflow pipe, the synchronous washing and compensation of water and hydrogen and oxygen gas in the water seal chamber are achieved.
It effectively improves the treatment efficiency of hydrogen and oxygen gas, reduces the concentration of alkali liquid in hydrogen and oxygen gas collection, extends the service life of the equipment, and improves the utilization rate of water resources.
Smart Images
Figure CN222567332U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of hydrogen production by electrolysis of water and relates to a scrubber, in particular to a novel hydrogen and oxygen gas scrubber. Background Art
[0002] Hydrogen energy is a secondary energy source with a wide range of sources, is clean and carbon-free, flexible and efficient, and has rich application scenarios. It is an ideal interconnected medium to promote the clean and efficient use of traditional fossil energy and support the large-scale development of renewable energy, and is the best choice for achieving large-scale deep decarbonization in transportation, industry, and construction. As the primary link in the hydrogen energy industry, hydrogen production technology by water electrolysis is crucial to the development of the hydrogen energy industry chain. Hydrogen production by water electrolysis usually uses potassium hydroxide or sodium hydroxide aqueous solution as the electrolyte, so the alkaline solution concentration in the generated hydrogen and oxygen gas is relatively high, which will cause serious corrosion to the equipment during subsequent use. The gas scrubber is an important equipment for removing alkaline solution from hydrogen and oxygen gases. How to efficiently wash the electrolyzed hydrogen and oxygen gases is an urgent problem that needs to be solved. Utility Model Content
[0003] In order to solve the above technical problems, the purpose of the utility model is to provide a new type of hydrogen and oxygen gas scrubber which can perform secondary water replenishment washing, has high hydrogen and oxygen gas treatment efficiency and reduces the concentration of alkali solution in hydrogen and oxygen gas collection.
[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a novel hydrogen and oxygen gas scrubber, comprising a hollow shell, wherein a gas outlet and a gas inlet are respectively arranged at the upper and lower ends of the shell, the top of the shell is closed by bolts, nuts and washers, the gas outlet is connected with the shell through an outlet pipe, a water replenishment and washing part is arranged at the upper part of the shell, a ball ring and an overflow pipe are arranged in sequence below the water replenishment and washing part, a sieve plate is arranged in the middle part of the shell, and a bottom plate is arranged at the bottom of the shell; a U-shaped air inlet pipe is arranged on the bottom plate, one end of the U-shaped air inlet pipe is located in the shell, and the other end extends out of the bottom end of the shell and is connected to the gas inlet; a water seal cavity is arranged at the bottom of the shell, and the end of the U-shaped air inlet pipe located in the shell is located in the water seal cavity; the side wall of the shell is connected with the overflow pipe, and the overflow pipe is located above the water seal cavity.
[0005] Furthermore, the water replenishment washing unit includes a positioning tube horizontally arranged on the inner wall of the shell, and also includes a water replenishment spraying tube with one end inserted into the positioning tube, and the other end of the water replenishment spraying tube extends out of the shell and is connected to the water replenishment port.
[0006] Furthermore, the water replenishment spray pipe includes a horizontally arranged tube four, on which two pairs of tubes one are symmetrically distributed, two pairs of tubes two are arranged between the two pairs of tubes one, and a pair of tubes three is arranged between the two pairs of tubes two. Tube one, tube two and tube three are each provided with two rows of equidistant small holes evenly distributed along the length direction; a blocking block one is provided at the free end of tube one, tube two and tube three, and a blocking block two is provided at the end of tube four extending into the shell.
[0007] Furthermore, the first tube, the second tube and the third tube are arranged in parallel.
[0008] Furthermore, the edges of the bottom plate and the screen plate are fixed to the inner wall of the shell; the screen plate is a uniform mesh structure, and the bottom plate is a metal plate; the ball rings are evenly distributed above the screen plate in a ring shape.
[0009] Furthermore, the gas inlet, gas outlet and water supply port are all connected by flanges.
[0010] Furthermore, the gas inlet is connected to a gas-liquid separator; the end of the U-shaped air inlet pipe extending from the bottom of the shell is fixedly connected to the gas-liquid separator, and the water seal chamber is connected to the gas-liquid separator through the U-shaped air inlet pipe; one end of the overflow pipe extends into the water seal chamber, and the other end extends into the bottom of the gas-liquid separator.
[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model effectively integrates multiple functions of secondary water replenishment and secondary washing into the shell, so that the scrubber can perform multiple processing processes, greatly improving the processing efficiency of hydrogen and oxygen gases, and effectively solving the problem of high alkali concentration in the collection of hydrogen and oxygen gases; the arrangement of the U-shaped airflow pipe and the overflow pipe in the utility model enables the water in the water seal cavity to flow into the gas-liquid separator for compensation after washing the hydrogen and oxygen gases, so that washing and water replenishment are carried out simultaneously, thereby improving the utilization rate of water resources. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a schematic diagram of the structure of the utility model;
[0013] Figure 2 This is a schematic diagram of the structure of the water replenishment spray pipe;
[0014] Figure 3 for Figure 2 Medium AA view;
[0015] Figure 4 This is a usage state diagram of the utility model.
[0016] Among them, inlet flange 1, bottom plate 2, shell 3, water seal chamber 4, ball ring 5, positioning pipe 6, water supply spray pipe 7, outlet connecting pipe 8, outlet flange 9, bolts 10, nuts 11, gasket 12, water supply port flange 13, water supply washing part 14, sieve plate 15, overflow pipe 16, U-shaped air inlet pipe 17, pipe one 18, pipe two 19, pipe three 20, block one 21, pipe four 22, block two 23, gas-liquid separator 24, gas inlet a, gas outlet b, water supply port c. DETAILED DESCRIPTION
[0017] A new type of hydrogen and oxygen gas scrubber, such as Figure 1-4As shown, it includes a hollow shell 3, and a gas outlet b and a gas inlet a are respectively provided at the upper and lower ends of the shell 3. The top of the shell 3 is closed by a bolt 10, a nut 11 and a washer 12. The gas outlet b is connected with the shell 3 through an outlet pipe 8. A water replenishment and washing part 14 is provided on the upper part of the shell 3, and a ball ring 5 and an overflow pipe 16 are provided in sequence downwardly of the water replenishment and washing part 14. A sieve plate 15 is provided in the middle part of the shell 3, and a bottom plate 2 is provided at the bottom of the shell 3; a U-shaped air inlet pipe 17 is provided on the bottom plate 2, one end of the U-shaped air inlet pipe 17 is located in the shell, and the other end extends out of the bottom end of the shell and is connected to the gas inlet a; a water seal cavity 4 is provided at the bottom of the shell 3, and the end of the U-shaped air inlet pipe 17 in the shell 3 is located in the water seal cavity 4; the side wall of the shell 3 is connected with an overflow pipe 16, and the overflow pipe 16 is located above the water seal cavity 4.
[0018] The water replenishment washing part 14 includes a positioning tube 6 horizontally arranged on the inner wall of the shell 3, and also includes a water replenishment spraying tube 7 with one end inserted into the positioning tube 6, and the other end of the water replenishment spraying tube 7 extends out of the shell 3 and is connected to the water replenishment port c; the water replenishment spraying tube 7 includes a horizontally arranged tube 4 22, on which two pairs of tubes 1 18 are symmetrically distributed, two pairs of tubes 2 19 are arranged between the two pairs of tubes 1 18, and a pair of tubes 3 20 is arranged between the two pairs of tubes 2 19, and two rows of equidistant small holes uniformly distributed along the length direction are arranged on the tubes 1 18, the tubes 2 19 and the tubes 3 20; the free ends of the tubes 1 18, the tubes 2 19 and the tubes 3 20 are all provided with a blocking block 1 21, and the end of the tube 4 22 extending into the shell 3 is provided with a blocking block 23; the tubes 18 , pipe two 19 and pipe three 20 are arranged in parallel; the edges of the bottom plate 2 and the sieve plate 15 are fixedly connected to the inner wall of the shell 3; the sieve plate 15 is a uniform mesh structure, and the bottom plate 2 is a metal plate; the ball rings 5 are evenly distributed in a ring shape above the sieve plate 15; the gas inlet a, the gas outlet b and the water replenishment port c are all flange-connected, and are respectively provided with an inlet flange 1, an outlet flange 2 and a water replenishment port flange 13; the gas inlet a is connected to a gas-liquid separator 24; the end of the U-shaped air inlet pipe 17 extending out of the bottom of the shell 3 is fixedly connected to the gas-liquid separator 24, and the water seal chamber 4 is connected to the gas-liquid separator 24 through the U-shaped air inlet pipe 17; one end of the overflow pipe 16 extends into the water seal chamber 4, and the other end extends into the bottom of the gas-liquid separator 24.
[0019] The gas inlet a is connected to the gas-liquid separator 24, and a water seal chamber 4 is formed between the U-shaped air inlet pipe 17, the shell 3 and the bottom plate 2. The water seal chamber 4 is connected to the gas-liquid separator 24 through an overflow port, so that when the hydrogen and oxygen gases enter the water seal chamber 4 from the U-shaped air inlet pipe 16 for washing, the water in the water seal chamber 4 flows to the gas-liquid separator 24 through the overflow pipe 16, and multiple functions of secondary water replenishment and secondary washing are effectively integrated in the shell 3, so that this embodiment can perform multiple processing flows, greatly improving the processing efficiency of hydrogen and oxygen gases, and effectively solving the problem of high alkali concentration in the collection of hydrogen and oxygen gases.
[0020] The water replenishment spray pipe 7 extends into the positioning pipe 6 and is fixed thereto; water enters the water replenishment spray pipe 7 through the water replenishment port c to spray and wash the generated hydrogen and oxygen gas; the water entering from the water replenishment port c is evenly sprayed on the generated hydrogen and oxygen gas along the small holes, and the block 1 21 and the block 2 23 prevent water from leaking along the inner side of the shell 3, and the water replenishment spray pipe 7 plays the role of water replenishment spray and gas washing; one end of the U-shaped air inlet pipe 17 is fixedly connected to the outlet of the gas-liquid separator 24 and passes through the bottom plate 2, The gas outlet of the U-shaped air inlet pipe 17 is below the liquid level of the water seal chamber 4; the water seal chamber 4 is connected to the gas-liquid separator 24 through the U-shaped air inlet pipe 17, and the generated hydrogen and oxygen gases enter the water seal chamber 4 through the U-shaped air inlet pipe 17 for a washing; the hydrogen and oxygen gases after a washing escape from the water seal chamber 4, and the gas-liquid distribution is improved through the sieve plate 15 and the ball ring 5; water is sprayed downward through the water replenishment spray pipe 7 to wash the hydrogen and oxygen gases for a second time, and the washed water enters the water seal chamber 4 through the sieve plate 15.
[0021] One end of the overflow pipe 16 extends into the water seal chamber 4 inside the shell 3, and the other end extends into the bottom of the gas-liquid separator 24; after the sprayed washing water enters the water seal chamber 4 through the sieve plate 15, when the liquid level of the water seal chamber 4 overflows the overflow pipe 16, the water enters the overflow pipe 16 and flows into the gas-liquid separator 24; so that the water in the water seal chamber 4 can flow into the gas-liquid separator 24 for compensation after washing the hydrogen and oxygen gases, so that washing and water replenishment are carried out simultaneously, thereby improving the utilization rate of water resources.
Claims
1. A novel hydrogen and oxygen gas scrubber, characterized in that: It comprises a hollow shell, wherein a gas outlet and a gas inlet are respectively arranged at the upper and lower ends of the shell, the gas outlet is connected with the shell through an outlet pipe, a water replenishing and washing part is arranged at the upper part of the shell, a ball ring and an overflow pipe are arranged in sequence below the water replenishing and washing part, a sieve plate is arranged in the middle part of the shell, and a bottom plate is arranged at the bottom of the shell; a U-shaped air inlet pipe is arranged on the bottom plate, one end of the U-shaped air inlet pipe is located in the shell, and the other end extends out of the bottom end of the shell and is connected with the gas inlet; a water seal cavity is arranged at the bottom of the shell, and the end of the U-shaped air inlet pipe located in the shell is located in the water seal cavity; the side wall of the shell is connected with the overflow pipe, and the overflow pipe is located above the water seal cavity.
2. The novel hydrogen and oxygen gas scrubber according to claim 1 is characterized in that: The water replenishing washing part comprises a positioning tube horizontally arranged on the inner wall of the shell, and also comprises a water replenishing spraying tube with one end inserted into the positioning tube, and the other end of the water replenishing spraying tube extends out of the shell and is connected with a water replenishing port.
3. The novel hydrogen and oxygen gas scrubber according to claim 2 is characterized in that: The water replenishment spray pipe includes a horizontally arranged tube four, on which two pairs of tubes one are symmetrically distributed, two pairs of tubes two are arranged between the two pairs of tubes one, and a pair of tubes three is arranged between the two pairs of tubes two. Two rows of equidistant small holes evenly distributed along the length direction are arranged on tube one, tube two and tube three; a blocking block one is arranged at the free end of tube one, tube two and tube three, and a blocking block two is arranged at the end of tube four extending into the shell.
4. The novel hydrogen and oxygen gas scrubber according to claim 3 is characterized in that: Tube one, tube two and tube three are arranged in parallel.
5. The novel hydrogen and oxygen gas scrubber according to claim 4 is characterized in that: The edges of the bottom plate and the screen plate are fixed to the inner wall of the shell; the screen plate is a uniform mesh structure, and the bottom plate is a metal plate; the ball rings are evenly distributed above the screen plate in a ring shape.
6. The novel hydrogen and oxygen gas scrubber according to claim 5 is characterized in that: The gas inlet, gas outlet and water supply port are all connected by flanges.
7. The novel hydrogen and oxygen gas scrubber according to claim 6 is characterized in that: The gas inlet is connected to a gas-liquid separator; the end of the U-shaped air inlet pipe extending from the bottom of the shell is fixedly connected to the gas-liquid separator, and the water seal cavity is connected to the gas-liquid separator through the U-shaped air inlet pipe; one end of the overflow pipe extends into the water seal cavity, and the other end extends into the bottom of the gas-liquid separator.