CN114876763A - Inlet temperature compensation type hydrogen diaphragm compressor and method for cooling inlet hydrogen - Google Patents
Inlet temperature compensation type hydrogen diaphragm compressor and method for cooling inlet hydrogen Download PDFInfo
- Publication number
- CN114876763A CN114876763A CN202210631132.9A CN202210631132A CN114876763A CN 114876763 A CN114876763 A CN 114876763A CN 202210631132 A CN202210631132 A CN 202210631132A CN 114876763 A CN114876763 A CN 114876763A
- Authority
- CN
- China
- Prior art keywords
- air inlet
- refrigerant
- inlet
- hydrogen
- section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
- F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
- F04B37/18—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use for specific elastic fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
- F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
- F04B37/12—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use to obtain high pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/06—Cooling; Heating; Prevention of freezing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/10—Adaptations or arrangements of distribution members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
- F04B49/065—Control using electricity and making use of computers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/22—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves
- F04B49/225—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves with throttling valves or valves varying the pump inlet opening or the outlet opening
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Compressor (AREA)
Abstract
The invention discloses an inlet temperature compensation type hydrogen diaphragm compressor and a method for cooling inlet hydrogen, wherein the hydrogen diaphragm compressor is provided with an air inlet valve component, the air inlet valve component is connected with an air inlet tail section of an air inlet pipeline, the air inlet pipeline consists of an air inlet section, an air inlet middle section and an air inlet tail section, and the air inlet middle section is arranged in a cooling system in a serpentine shape in a vertical plane; the cooling system comprises a tank body filled with cooling liquid, a refrigerant pipe filled with a refrigerant and two groups of auxiliary components; the liquid level of the cold-carrying liquid is lower than the top surface of the tank body and higher than the top surface of the air inlet middle section, the refrigerant pipe is composed of a refrigerant inlet section, a refrigerant middle section and a refrigerant tail section, the refrigerant inlet section is provided with a refrigerant valve, and the refrigerant middle section is arranged in the cooling system in a serpentine shape along the length direction of the tank body in a vertical plane and is located under the air inlet middle section. The invention cools the hydrogen before pressurization, and improves the reliability and safety of the compressor.
Description
Technical Field
The present invention relates to the field of compressors. More particularly, the present invention relates to an inlet temperature compensation type hydrogen diaphragm compressor and a method for cooling inlet hydrogen.
Background
The hydrogen diaphragm compressor is mainly used for hydrogen pressurization in a hydrogen filling station, an inlet of the existing compressor is at ambient temperature due to the fact that an inlet cooling function is not provided, the highest temperature of compressed hydrogen can rise to 180 ℃ due to compression heat after hydrogen pressurization, and high temperature of a cylinder head and a hydrogen outlet pipeline system of the compressor is caused.
Disclosure of Invention
The invention aims to provide an inlet temperature compensation type hydrogen diaphragm compressor and a method for cooling inlet hydrogen, which are used for cooling the hydrogen before pressurization, and improving the reliability and safety of the compressor.
The technical scheme adopted by the invention for solving the technical problem is as follows: an inlet temperature compensation type hydrogen diaphragm compressor is provided with an air inlet valve component, wherein the air inlet valve component is connected with an air inlet tail section of an air inlet pipeline, the air inlet pipeline is composed of an air inlet section, an air inlet middle section and an air inlet tail section, and the air inlet middle section is arranged in a cooling system in a serpentine line in a vertical plane;
the cooling system comprises a tank body filled with cooling liquid, a refrigerant pipe filled with a refrigerant and two groups of auxiliary components;
the liquid level of the cold-carrying liquid is lower than the top surface of the tank body and higher than the top surface of the air inlet middle section, the refrigerant pipe is composed of a refrigerant inlet section, a refrigerant middle section and a refrigerant tail section, the refrigerant inlet section is provided with a refrigerant valve, and the refrigerant middle section is arranged in a cooling system in a serpentine shape along the length direction of the tank body in a vertical plane and is positioned right below the air inlet middle section; two groups of auxiliary components are symmetrically arranged at two sides of the air inlet middle section, each auxiliary component comprises a hydraulic lifting column, a push plate, a bottom pipe and a flexible air inlet pipe, the hydraulic lifting columns are fixed on the side wall of the tank body, the telescopic ends of the hydraulic lifting columns are connected with the push plate to drive the push plate to move parallel to the air inlet middle section, a plurality of liquid-permeable holes are uniformly formed in the push plate, the bottom pipes of the two groups of auxiliary components are fixed on the lower portion of the push plate, the bottom pipes of the two groups of auxiliary components are positioned in the tank body at different heights and are positioned under the refrigerant middle section, the bottom pipes are arranged along the width direction and do not exceed the refrigerant middle section, a plurality of air outlet holes are formed above the bottom pipes, the air inlets of the bottom pipes are connected with the flexible air inlet pipes, the flexible air inlet pipes are connected with pipe joints on the top surface of the tank body, the pipe joints are connected with rigid air inlet pipes, and the rigid air inlet pipes are provided with first air inlet valves, the air inlet end of the rigid air inlet pipe is connected with the air tank;
be provided with first temperature sensor in the tail section of admitting air, first temperature sensor, hydraulic pressure lift post, refrigerant valve, first admission valve, admission valve part all are connected with the controller.
Preferably, the air inlet section penetrates into the cooling system from the upper part, and the air inlet tail section penetrates out of the cooling system from the lower part; the refrigerant inlet section penetrates into the cooling system from the upper part, and the refrigerant tail section penetrates out of the cooling system from the lower part.
Preferably, the width of the push plate is smaller than the distance between the air inlet middle section and the side wall of the tank body, and the height of the push plate is smaller than the height of the tank body.
Preferably, the tank body is externally provided with an insulating layer.
Preferably, the length of the flexible air inlet pipe in the tank body is set to enable the bottom pipe to reciprocate.
Preferably, the top surface of the tank body is provided with an air outlet pipe, and the air outlet pipe is connected with the air collecting tank.
Preferably, the hydrogen membrane compressor is provided with a cylinder part and a crankcase.
Preferably, a crank and connecting rod piston member is provided in the crankcase.
The invention also provides a method for cooling the inlet hydrogen by using the compressor, which comprises the following steps:
introducing hydrogen to be compressed into an air inlet pipeline, and cooling by a cooling system;
when the temperature T detected by the first temperature sensor is less than T 1 When the hydrogen is compressed, the controller controls the air inlet valve part to be opened, and the hydrogen is compressed by the compressor;
when the temperature T detected by the first temperature sensor is more than T 2 Time, T 2 ＜T 1 The controller simultaneously controls: 1) the refrigerant valve is opened, and a refrigerant is introduced into the refrigerant pipe to cool the refrigerant-carrying liquid; 2) the hydraulic lifting column pushes the push plate to reciprocate; 3) controlling the first air inlet valve to open at the inlet temperature of T 3 Nitrogen gas of (2), T 3 ＜T 2 ；
When the temperature T detected by the first temperature sensor is less than or equal to T 4 When, T 3 ＜T 4 ＜T 2 And the controller controls the hydraulic lifting column to stop and controls the refrigerant valve and the first air inlet valve to close.
The invention at least comprises the following beneficial effects: import temperature compensation type hydrogen diaphragm compressor improves hydrogen compressor performance through temperature compensation's form, temperature compensation mainly include cooling system and temperature control system (controller, first temperature sensor, refrigerant valve, first admission valve), install in compressor import department, cool off the hydrogen before advancing the compressor through the secondary refrigerant, temperature control system mainly guarantees through the temperature of control secondary refrigerant that hydrogen cooling temperature is less than the upper limit temperature all the time, guarantees that hydrogen sustainable input compresses to the compressor.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic diagram of the cooling system of the present invention;
FIG. 2 is a side view of the cooling system of the present invention;
figure 3 is a schematic diagram of a hydrogen membrane compressor according to the present invention.
Description of reference numerals: the air inlet valve comprises an air inlet section 1, an air inlet middle section 2, an air inlet tail section 3, a tank body 4, a refrigerant inlet section 5, a refrigerant middle section 6, a refrigerant tail section 7, a refrigerant valve 8, a hydraulic lifting column 9, a push plate 10, a bottom pipe 11, a pipe joint 12, a rigid air inlet pipe 13, a first air inlet valve 14, a cylinder part 15, a crankcase 16, a liquid permeation hole 17, an air outlet pipe 18, an air inlet valve part 19, an exhaust valve part 20, a piston part 21 and a first temperature sensor 22.
Detailed Description
The invention will be described more fully hereinafter with reference to the accompanying drawings. Those skilled in the art will be able to implement the invention based on these teachings. Before the present invention is described in detail with reference to the accompanying drawings, it is to be noted that: the technical solutions and features provided in the present invention in the respective sections including the following description may be combined with each other without conflict.
Moreover, the embodiments of the present invention described in the following description are generally only some embodiments of the present invention, and not all embodiments. Therefore, all other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort shall fall within the protection scope of the present invention.
The invention is further described in detail with reference to the accompanying drawings and implementation, and the specific implementation process is as follows:
as shown in fig. 1 to 3, the present invention provides an inlet temperature compensation type hydrogen diaphragm compressor, which is provided with an air inlet valve part 19 and an air outlet valve part 20, wherein the air inlet valve part 19 is connected with an air inlet tail section 3 of an air inlet pipeline, the air inlet pipeline is composed of an air inlet section 1, an air inlet middle section 2 and an air inlet tail section 3, and the air inlet middle section 2 is arranged in a cooling system in a serpentine shape in a vertical plane;
the cooling system comprises a tank body 4 filled with cooling liquid, a cooling medium pipe filled with cooling medium and two groups of auxiliary components;
the liquid level of the cold-carrying liquid is lower than the top surface of the tank body 4 and higher than the top surface of the air inlet middle section 2, the refrigerant pipe is composed of a refrigerant inlet section 5, a refrigerant middle section 6 and a refrigerant tail section 7, the refrigerant inlet section 5 is provided with a refrigerant valve 8, and the refrigerant middle section 6 is arranged in the cooling system in a serpentine shape in the vertical plane along the length direction of the tank body 4 and is positioned right below the air inlet middle section 2; two groups of auxiliary assemblies are symmetrically arranged at two sides of the air inlet middle section 2, each auxiliary assembly comprises a hydraulic lifting column 9, a push plate 10, a bottom pipe 11 and a flexible air inlet pipe (a low-temperature hose is adopted and is a commercially available product), the hydraulic lifting column 9 is fixed on the side wall of the tank body 4, the telescopic end of the hydraulic lifting column 9 is connected with the push plate 10 so as to drive the push plate 10 to move parallel to the air inlet middle section 2, a plurality of liquid-permeable holes 17 are uniformly formed in the push plate 10, the bottom pipes 11 are fixed at the lower part of the push plate 10, the bottom pipes 11 of the two groups of auxiliary assemblies are positioned in the tank body 4 at different heights and are positioned under the refrigerant middle section 6, so that the bottom pipes 11 of the two groups of auxiliary assemblies cannot interfere with each other when moving, the bottom pipes 11 are arranged along the width direction and do not exceed the lower part of the refrigerant middle section 6, and the bottom pipes 11 are prevented from interfering the movement of the push plates 10 of the opposite auxiliary assemblies, a plurality of air outlet holes are formed above the bottom pipe 11, an air inlet of the bottom pipe 11 is connected with a flexible air inlet pipe, the flexible air inlet pipe is connected with a pipe joint 12 on the top surface of the tank body 4, a rigid air inlet pipe 13 is connected onto the pipe joint 12, a first air inlet valve 14 is arranged on the rigid air inlet pipe 13, and the air inlet end of the rigid air inlet pipe 13 is connected with an air tank;
and a first temperature sensor is arranged in the air inlet tail section 3, and the first temperature sensor, the hydraulic lifting column 9, the refrigerant valve 8, the first air inlet valve 14 and the air inlet valve part 19 are all connected with a controller.
The technical scheme can also comprise the following technical details so as to better realize the technical effects: the air inlet section 1 penetrates into the cooling system from the upper part, and the air inlet tail section 3 penetrates out of the cooling system from the lower part; the refrigerant inlet section 5 penetrates into the cooling system from the upper part, and the refrigerant tail section 7 penetrates out of the cooling system from the lower part.
The technical scheme can also comprise the following technical details so as to better realize the technical effects: the width of the push plate 10 is slightly less than the distance between the air inlet middle section 2 and the side wall of the tank body 4, and the height of the push plate 10 is slightly less than the height of the tank body 4, so that the push plate 10 does not interfere with the tank body 4, the air inlet middle section 2 and the refrigerant middle section 6 when moving back and forth in the tank body 4.
The technical scheme can also comprise the following technical details so as to better realize the technical effects: and a heat-insulating layer is arranged outside the tank body 4.
The technical scheme can also comprise the following technical details so as to better realize the technical effects: the length of the flexible inlet pipe in the tank 4 is set to reciprocate the bottom pipe 11.
The technical scheme can also comprise the following technical details so as to better realize the technical effects: an air outlet pipe 18 is arranged on the top surface of the tank body 4, and the air outlet pipe 18 is connected with the air collecting tank and used for collecting the discharged nitrogen.
The technical scheme can also comprise the following technical details so as to better realize the technical effects: the hydrogen membrane compressor is provided with a cylinder part 15, a piston part 21 and a crankcase 16.
The technical scheme can also comprise the following technical details so as to better realize the technical effects: a crank connecting rod piston member 21 is provided in the crankcase 16.
A method for cooling inlet hydrogen by using the compressor comprises the following steps:
introducing hydrogen to be compressed into an air inlet pipeline, and cooling by a cooling system;
when the temperature detected by the first temperature sensor 22 is lower than T 1 At-2 deg.C, the controller controls the opening of the air inlet valve part 19Starting, compressing hydrogen by a compressor;
when the temperature T > T detected by the first temperature sensor 22 2 -4 ℃, the controller simultaneously controls: 1) opening a refrigerant valve 8, and introducing a refrigerant into a refrigerant pipe to cool the refrigerant-carrying liquid; 2) the hydraulic lifting column 9 is controlled to push the push plate 10 to reciprocate, and as the temperature of the hydrogen gas at the air inlet middle section 2 close to the air inlet end section 1 in the tank body 4 is higher than that of the hydrogen gas at the air inlet middle section 2 close to the air inlet tail section 3, the temperature distribution of the cold-carrying liquid is uneven, in order to accelerate the uniform cooling of the cold-carrying liquid, the cold-carrying liquid with temperature difference is uniformly mixed through the push plate 10, and the cooling is more rapid through a refrigerant; 3) the first inlet valve 14 is controlled to open at a temperature T 3 -15 ℃ under nitrogen;
when the temperature T detected by the first temperature sensor is less than or equal to T 4 At-10 ℃, the controller controls the hydraulic lifting column 9 to stop and controls the refrigerant valve 8 and the first intake valve 14 to close.
The compressor is utilized to cool the inlet hydrogen to ensure the outlet temperature of the hydrogen side, and because the diaphragm compressor is of a positive displacement structure, the exhaust volume of the precooled compressor is increased by about 13 percent compared with the prior compressor when the ambient temperature is 25 ℃, and the outlet temperature is reduced by about 35 ℃ compared with the prior structure, thereby greatly improving the reliability and the safety of the prior compressor.
Because diaphragm compressor is positive displacement structure, so meet the air intake volume V of compressor before and after cold unchangeable, when ambient temperature 25 ℃, single air input m is:
m＝PVM/zRT 1
p is the air inlet pressure;
v: a single air intake volume;
m: hydrogen molar mass;
z: hydrogen compressor factor: z ═ 1.019 × 10 -13 ×T 1 3 -1.0264×10 -10 ×T 1 2 +3.4664×10 -8 ×T 1 -3.964×10 -6 )×P 3 +(-1.4×10 -11 ×T 1 3 +1.4347×10 -8 ×T 1 2 -4.9551×10 -6 ×T 1 +0.00058233)×P 2 +(1.876×10 -9 ×T 1 2 -0.000014613×T 1 +0.010258)×P+0.000009342×T 1 +0.99679；
R: gas constant, 8.3147;
T 1 kelvin at ambient temperature 25 ℃;
after precooling, when the inlet air temperature is reduced to-10 ℃, the inlet air pressure P, the single inlet air volume, the hydrogen molar mass M and the gas constant R are unchanged, and the inlet air mass after precooling is increased by about 13 percent through calculation.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable to various fields of endeavor for which the invention may be embodied with additional modifications as would be readily apparent to those skilled in the art, and the invention is therefore not limited to the details given herein and to the embodiments shown and described without departing from the generic concept as defined by the claims and their equivalents.
Claims (9)
1. An inlet temperature compensation type hydrogen diaphragm compressor is characterized in that the hydrogen diaphragm compressor is provided with an air inlet valve component, the air inlet valve component is connected with an air inlet tail section of an air inlet pipeline, the air inlet pipeline is composed of an air inlet section, an air inlet middle section and an air inlet tail section, and the air inlet middle section is arranged in a cooling system in a serpentine line in a vertical plane;
the cooling system comprises a tank body filled with cooling liquid, a refrigerant pipe filled with a refrigerant and two groups of auxiliary components;
the liquid level of the cold-carrying liquid is lower than the top surface of the tank body and higher than the top surface of the air inlet middle section, the refrigerant pipe is composed of a refrigerant inlet section, a refrigerant middle section and a refrigerant tail section, the refrigerant inlet section is provided with a refrigerant valve, and the refrigerant middle section is arranged in a cooling system in a serpentine shape along the length direction of the tank body in a vertical plane and is positioned right below the air inlet middle section; two groups of auxiliary components are symmetrically arranged at two sides of the air inlet middle section, each auxiliary component comprises a hydraulic lifting column, a push plate, a bottom pipe and a flexible air inlet pipe, the hydraulic lifting columns are fixed on the side wall of the tank body, the telescopic ends of the hydraulic lifting columns are connected with the push plate to drive the push plate to move parallel to the air inlet middle section, a plurality of liquid-permeable holes are uniformly formed in the push plate, the bottom pipes of the two groups of auxiliary components are fixed on the lower portion of the push plate, the bottom pipes of the two groups of auxiliary components are positioned in the tank body at different heights and are positioned under the refrigerant middle section, the bottom pipes are arranged along the width direction and do not exceed the refrigerant middle section, a plurality of air outlet holes are formed above the bottom pipes, the air inlets of the bottom pipes are connected with the flexible air inlet pipes, the flexible air inlet pipes are connected with pipe joints on the top surface of the tank body, the pipe joints are connected with rigid air inlet pipes, and the rigid air inlet pipes are provided with first air inlet valves, the air inlet end of the rigid air inlet pipe is connected with the air tank;
be provided with first temperature sensor in the tail section of admitting air, first temperature sensor, hydraulic pressure lift post, refrigerant valve, first admission valve, admission valve part all are connected with the controller.
2. The inlet temperature compensated hydrogen membrane compressor of claim 1, wherein the inlet section penetrates the cooling system from above and the inlet tail section penetrates the cooling system from below; the refrigerant inlet section penetrates into the cooling system from the upper part, and the refrigerant tail section penetrates out of the cooling system from the lower part.
3. The inlet temperature compensated hydrogen membrane compressor of claim 1, wherein the width of the push plate is less than the distance between the middle section of the inlet gas and the side wall of the tank, and the height of the push plate is less than the height of the tank.
4. The inlet temperature compensation type hydrogen membrane compressor according to claim 1, wherein an insulating layer is provided outside the tank body.
5. The inlet temperature compensation type hydrogen membrane compressor according to claim 1, wherein the length of the flexible inlet pipe in the tank body is set so that the bottom pipe can reciprocate.
6. The inlet temperature compensation type hydrogen membrane compressor according to claim 5, wherein an outlet pipe is provided on the top surface of the tank body, and the outlet pipe is connected to the gas collection tank.
7. An inlet temperature compensated hydrogen membrane compressor as claimed in claim 6, characterized in that the hydrogen membrane compressor is provided with a cylinder part and a crankcase.
8. The inlet temperature compensated hydrogen diaphragm compressor of claim 7, wherein a crank rod piston member is provided in the crankcase.
9. A method for cooling inlet hydrogen by using the compressor as claimed in any one of claims 1 to 8, characterized by comprising the following steps:
introducing hydrogen to be compressed into an air inlet pipeline, and cooling by a cooling system;
when the temperature T detected by the first temperature sensor is less than T 1 When the hydrogen is compressed, the controller controls the air inlet valve part to be opened, and the hydrogen is compressed by the compressor;
when the temperature T detected by the first temperature sensor is more than T 2 When, T 2 ＜T 1 The controller simultaneously controls: 1) the refrigerant valve is opened, and a refrigerant is introduced into the refrigerant pipe to cool the refrigerant-carrying liquid; 2) the hydraulic lifting column pushes the push plate to reciprocate; 3) controlling the first air inlet valve to open at the inlet temperature of T 3 Nitrogen gas of (2), T 3 ＜T 2 ；
When the temperature T detected by the first temperature sensor is less than or equal to T 4 When, T 3 ＜T 4 ＜T 2 And the controller controls the hydraulic lifting column to stop and controls the refrigerant valve and the first air inlet valve to close.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210631132.9A CN114876763B (en) | 2022-06-06 | 2022-06-06 | Inlet temperature compensation type hydrogen diaphragm compressor and method for cooling inlet hydrogen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210631132.9A CN114876763B (en) | 2022-06-06 | 2022-06-06 | Inlet temperature compensation type hydrogen diaphragm compressor and method for cooling inlet hydrogen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114876763A true CN114876763A (en) | 2022-08-09 |
| CN114876763B CN114876763B (en) | 2023-04-18 |
Family
ID=82679926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210631132.9A Active CN114876763B (en) | 2022-06-06 | 2022-06-06 | Inlet temperature compensation type hydrogen diaphragm compressor and method for cooling inlet hydrogen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114876763B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996041106A1 (en) * | 1995-06-07 | 1996-12-19 | Altech Controls Corporation | Liquid compressor cooling |
| KR20020097325A (en) * | 2001-06-20 | 2002-12-31 | 엘지전자 주식회사 | Mobile air conditioner |
| CN203837312U (en) * | 2014-03-14 | 2014-09-17 | 谢德音 | Multi-channel refrigerant control structure capable of transforming refrigerant evaporation flow |
| CN104315761A (en) * | 2014-11-19 | 2015-01-28 | 广东美芝制冷设备有限公司 | Liquid dispenser used for compressor and compressor thereof |
| CN104929913A (en) * | 2015-05-21 | 2015-09-23 | 安姆达清洁能源技术（苏州）有限公司 | Multi-stage compression cooling system of natural gas compressor and method for controlling same |
| CN109520173A (en) * | 2018-12-30 | 2019-03-26 | 苏州斯丹弗机械有限公司 | A kind of cooling system |
| CN114198925A (en) * | 2021-11-22 | 2022-03-18 | 青岛海尔空调电子有限公司 | Gas-liquid supply system of compressor |
-
2022
- 2022-06-06 CN CN202210631132.9A patent/CN114876763B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996041106A1 (en) * | 1995-06-07 | 1996-12-19 | Altech Controls Corporation | Liquid compressor cooling |
| KR20020097325A (en) * | 2001-06-20 | 2002-12-31 | 엘지전자 주식회사 | Mobile air conditioner |
| CN203837312U (en) * | 2014-03-14 | 2014-09-17 | 谢德音 | Multi-channel refrigerant control structure capable of transforming refrigerant evaporation flow |
| CN104315761A (en) * | 2014-11-19 | 2015-01-28 | 广东美芝制冷设备有限公司 | Liquid dispenser used for compressor and compressor thereof |
| CN104929913A (en) * | 2015-05-21 | 2015-09-23 | 安姆达清洁能源技术（苏州）有限公司 | Multi-stage compression cooling system of natural gas compressor and method for controlling same |
| CN109520173A (en) * | 2018-12-30 | 2019-03-26 | 苏州斯丹弗机械有限公司 | A kind of cooling system |
| CN114198925A (en) * | 2021-11-22 | 2022-03-18 | 青岛海尔空调电子有限公司 | Gas-liquid supply system of compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114876763B (en) | 2023-04-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114144584B (en) | Electric liquid driven piston type hydrogen compressor and compression method | |
| RU2730129C1 (en) | Method for cryogenic-strength test of hydrogen tank | |
| CN101449124A (en) | Method and apparatus for pre-heating LNG boil-off gas to ambient temperature prior to compression in a reliquefaction system | |
| CN101158517A (en) | Small-sized throttle low temperature refrigerator circulating system with injector | |
| CN110332635A (en) | A kind of more tonifying Qi refrigeration heat pump systems of Two-stage Compression, control method and air conditioner | |
| CN105627694A (en) | System and method for compression, liquefaction and recovery of BOG in LNG filling station | |
| CN114876763B (en) | Inlet temperature compensation type hydrogen diaphragm compressor and method for cooling inlet hydrogen | |
| CN114382561A (en) | Integrated CO2Compressed air energy storage power generation system of heat pump and operation method thereof | |
| CN202885326U (en) | Double-unit twin-stage compression refrigerating unit | |
| CN114739055A (en) | Liquid oxygen/liquid methane comprehensive supercooling system and method based on liquid oxygen refrigeration capacity | |
| CN213178918U (en) | A equipment that is used for LNG receiving station and big jar flash distillation gas of transfer station to retrieve | |
| CN112814868A (en) | Two-stage piston type gas compression device | |
| CN109737056B (en) | Vortex water vapor compressor system adopting water spray lubrication and working method | |
| CN106766322A (en) | The G M refrigeration machines and method of a kind of cool end heat exchanger motion | |
| CN207112351U (en) | Ethene low temperature is from press mounting vehicle system | |
| CN217207056U (en) | Gas supercharging device driven by liquid | |
| US20230067385A1 (en) | Compression device, installation, filling station and method using such a device | |
| CN108072235B (en) | Air separation system | |
| CN213687349U (en) | Direct cooling type ice brick machine capable of adjusting high-low pressure difference | |
| US20230085780A1 (en) | Compression apparatus and filling station comprising such an apparatus | |
| US20230080231A1 (en) | Compression apparatus and filling station comprising such an apparatus | |
| CN1710354A (en) | L-shape vessel refrigerator | |
| CA3188205A1 (en) | Facility and method for hydrogen refrigeration | |
| CN116518648B (en) | Liquefied petroleum gas separation treatment system and treatment process | |
| CN107314615A (en) | LNG drops a hint re-liquefied recovery method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |