Hydrogen chloride reciprocating compressor capable of reducing gas displacement

By abolishing the number of intake valves of the cylinder block of the hydrogen chloride reciprocating compressor and reducing the intake volume, the existing hydrogen chloride reciprocating compressor has solved the problems of large self-circulation, frequent energy consumption and maintenance, and the effects of reducing exhaust volume, saving energy consumption and reducing spare parts costs are achieved.

CN120062081APending Publication Date: 2025-05-30HONGYUAN ENERGY TECH (BAOTOU) CO LTD +1
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Patent Information

Application Number
CN202510215274.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-26
Publication Date
2025-05-30

AI Technical Summary

Technical Problem

The existing hydrogen chloride reciprocating compressors have problems such as large self-circulation, increased inlet and exhaust temperature, carrying black solid powder in the gas, resulting in wear of cylinders and consumable parts, waste of energy consumption and frequent maintenance.

Method used

By canceling the number of intake valves on the compressor cylinder block, the intake amount is reduced, so as to reduce the exhaust volume and conduct real-time monitoring and control of the inlet and outlet gas.

Benefits of technology

It has achieved the reduction of air exhaust, energy consumption, improved service cycle, reduced spare parts costs, reduced powder carrying amount, and reduced wear on cylinder liner.

✦ Generated by Eureka AI based on patent content.

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Abstract

The hydrogen chloride reciprocating compressor comprises a compressor left cylinder body, a compressor right cylinder body and a crankcase, a left buffer tank is arranged between the compressor left cylinder body and the crankcase, and a right buffer tank is arranged between the compressor right cylinder body and the crankcase. A left air inlet assembly is installed at the upper end of the compressor left cylinder body, a left exhaust assembly is installed at the lower end of the compressor left cylinder body, a right air inlet assembly is installed at the upper end of the compressor right cylinder body, and a right exhaust assembly is installed at the lower end of the compressor right cylinder body. A crankshaft part, a left connecting rod, a left piston mechanism, a right connecting rod and a right piston mechanism are arranged in the crankcase. According to the hydrogen chloride reciprocating compressor capable of reducing the air displacement, the number of air inlet valves of a compressor cylinder body is omitted to reduce the air inlet so as to achieve the purpose of reducing the air displacement, inlet and outlet air are monitored and controlled in real time, meanwhile, energy consumption is reduced, the service life is prolonged, and the cost of spare parts is reduced.
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Description

Technical Field

[0001] The present invention relates to the technical field of hydrogen chloride reciprocating compressors, and particularly to a hydrogen chloride reciprocating compressor with reduced displacement. Background Art

[0002] A hydrogen chloride reciprocating compressor is a supporting device for pressurizing and converting hydrogen chloride gas. At the beginning of the design of the hydrogen chloride compressor, the hydrogen chloride gas analyzed by the hydrochloric acid analysis device was pressurized and sent to the downstream trichlorosilane synthesis and high-boiling conversion devices for use, with a total flow rate of 1100 Nm³ / h. With the continuous development of technology, the manufacturing process requirements for hydrogen chloride reciprocating compressors are also getting higher and higher.

[0003] Existing hydrogen chloride reciprocating compressors have certain drawbacks during use. Due to production reasons, the trichlorosilane synthesis device is not in operation, and the hourly consumption of hydrogen chloride gas in the high-boiling conversion device is only 68 Nm³ / h. This leads to a large self-circulation volume of the compressor, and there are the following drawbacks: It causes the inlet and outlet temperatures of the compressor to rise; The black solid powder carried in the gas is also cyclically compressed by the piston along with the gas, which is one of the reasons for the wear of the cylinder block and vulnerable parts; The compressed hydrogen chloride gas self-circulates back to the buffer tank in front of the machine, resulting in energy consumption waste; Frequent maintenance and high spare parts costs bring certain adverse effects to the use process. Therefore, we propose a hydrogen chloride reciprocating compressor with reduced displacement. Summary of the Invention

[0004] Technical problems to be solved: Aiming at the deficiencies of the prior art, the present invention provides a hydrogen chloride reciprocating compressor with reduced displacement, which cancels the number of intake valves of the compressor cylinder block to reduce the intake volume so as to achieve the purpose of reducing the displacement, monitors and controls the inlet and outlet in real time, and at the same time saves energy consumption, extends the service life, and reduces the cost of spare parts, and can effectively solve the problems in the background art.

[0005] Technical solution: To achieve the above object, the technical solution adopted by the present invention is as follows: A reciprocating compressor for hydrogen chloride with reduced displacement, including a left compressor cylinder block, a right compressor cylinder block and a crankcase. A left buffer tank is arranged between the left compressor cylinder block and the crankcase, and a right buffer tank is arranged between the right compressor cylinder block and the crankcase. A left intake assembly is installed at the upper end of the left compressor cylinder block, and a left exhaust assembly is installed at the lower end of the left compressor cylinder block. A right intake assembly is installed at the upper end of the right compressor cylinder block, and a right exhaust assembly is installed at the lower end of the right compressor cylinder block. Inside the crankcase, there are a crankshaft component, a left connecting rod, a left piston mechanism, a right connecting rod and a right piston mechanism. The left connecting rod is located at the end of the crankshaft component, and the left piston mechanism is located at the end of the left connecting rod. A left intake valve is installed at a position near the upper part inside the left compressor cylinder block, and a right intake valve is installed at a position near the upper part inside the right compressor cylinder block. Only one group of the left intake valve and the right intake valve is opened, and the other group is in a closed state.

[0006] As a preferred technical solution of the present application, the left intake assembly is connected to the left intake valve in a through manner, and the right intake assembly is connected to the right intake valve in a through manner. A left exhaust valve and a left exhaust controller are installed at a position near the lower part inside the left compressor cylinder block, and a right exhaust valve and a right exhaust controller are installed at a position near the lower part inside the right compressor cylinder block.

[0007] As a preferred technical solution of the present application, a first cylinder connection nitrogen filling port, a first intermediate packing nitrogen filling port and a second cylinder connection nitrogen filling port are arranged at the upper end of the left buffer tank, and a first sewage discharge port and a second sewage discharge port are arranged at the lower end of the left buffer tank. A third cylinder connection nitrogen filling port, a second intermediate packing nitrogen filling port and a fourth cylinder connection nitrogen filling port are arranged at the upper end of the right buffer tank, and a third sewage discharge port and a fourth sewage discharge port are arranged at the lower end of the right buffer tank.

[0008] As a preferred technical solution of the present application, gas inlet and outlet monitors are arranged in both the left compressor cylinder block and the right compressor cylinder block. Protective rings are arranged between the left compressor cylinder block and the left buffer tank and between the right compressor cylinder block and the right buffer tank. A central processor, a display, an alarm, an air inlet and outlet controller, a calculator, a communicator, a reciprocating state monitoring component, an exhaust monitor and an intake monitor are arranged on the gas inlet and outlet monitor. The intake monitor, the exhaust monitor and the reciprocating state monitoring component are all connected to the communicator. The communicator is connected to the central processor, and the central processor is connected to the display, the alarm and the air inlet and outlet controller.

[0009] As a preferred technical solution of the present application, the left compressor cylinder block intakes air from the position of the left intake assembly and exhausts air from the position of the left exhaust assembly. The right compressor cylinder block intakes air from the position of the right intake assembly and exhausts air from the position of the right exhaust assembly. The crankshaft component, the left connecting rod, the left piston mechanism, the right connecting rod and the right piston mechanism reciprocate inside the crankcase.

[0010] As a preferred technical solution of the present application, the intake of the left cylinder block of the compressor is controlled through the left intake valve, and the exhaust of the left cylinder block of the compressor is controlled through the left exhaust valve and the left exhaust controller. The intake of the right cylinder block of the compressor is controlled through the right intake valve, and the exhaust of the right cylinder block of the compressor is controlled through the right exhaust valve and the right exhaust controller.

[0011] As a preferred technical solution of the present application, the upper end of the left buffer tank is filled with nitrogen through the first adapter nitrogen filling port, the first intermediate packing nitrogen filling port and the second adapter nitrogen filling port, and the lower end of the left buffer tank is drained through the first drain port and the second drain port. The upper end of the right buffer tank is filled with nitrogen through the third adapter nitrogen filling port, the second intermediate packing nitrogen filling port and the fourth adapter nitrogen filling port, and the lower end of the right buffer tank is drained through the third drain port and the fourth drain port.

[0012] As a preferred technical solution of the present application, the output ends of the intake monitor, the exhaust monitor and the reciprocating state monitoring assembly are connected to the input end of the central processor through a communicator, and the output end of the central processor is connected to the input ends of the display, the alarm and the intake and exhaust controller.

[0013] Beneficial effects: Compared with the prior art, the present invention provides a hydrogen chloride reciprocating compressor with reduced exhaust volume, having the following beneficial effects: This hydrogen chloride reciprocating compressor with reduced exhaust volume cancels the number of intake valves of the compressor cylinder block to reduce the intake volume so as to achieve the purpose of reducing the exhaust volume, monitors and controls the intake and exhaust in real time, while saving energy consumption, increasing the service life, and reducing the cost of spare parts; One intake valve is removed from each of the left and right cylinder heads of the compressor, and the intake and exhaust volumes are reduced by 50%. When the usage of high-boiling conversion remains unchanged, the amount flowing back to the front buffer tank of the machine will also decrease. In this way, the temperature of the front buffer tank of the machine can be reduced and the powder carrying amount can be reduced, thereby reducing the wear on the cylinder liner. Taking the left cylinder as an example, when the intake valve on the cylinder head side is removed, when the piston moves to the right, hydrogen chloride gas enters the cylinder through the intake tank. When the piston moves to the right dead center and then moves to the left, the gas in the cylinder is compressed and returns to the intake tank along the original path. Since the volume in the cylinder is much smaller than the volume of the intake tank and the pipeline, there will not be a large pressure fluctuation in the intake pipeline during the exhaust process on this side. The entire hydrogen chloride reciprocating compressor has a simple structure, convenient operation, and better use effect compared to the traditional method. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of a hydrogen chloride reciprocating compressor with reduced exhaust volume according to the present invention.

[0015] Figure 2 It is a schematic diagram of the structure of the left cylinder block of a hydrogen chloride reciprocating compressor with reduced exhaust volume according to the present invention.

[0016] Figure 3 This is a schematic structural diagram of the crankcase in a hydrogen chloride reciprocating compressor for reducing the exhaust volume according to the present invention.

[0017] Figure 4 This is a schematic structural diagram of the inlet and outlet gas monitor in a hydrogen chloride reciprocating compressor for reducing the exhaust volume according to the present invention.

[0018] In the figure: 1. Left exhaust assembly; 2. Left exhaust valve; 3. Left cylinder block of the compressor; 4. Left intake assembly; 5. Left intake valve; 6. Inlet and outlet gas monitor; 7. Left buffer tank; 8. Left piston mechanism; 9. Left connecting rod; 10. Crankshaft part; 11. Crankcase; 12. Right connecting rod; 13. Right piston mechanism; 14. Right buffer tank; 15. Protective ring; 16. Right intake assembly; 17. Right cylinder block of the compressor; 18. Right intake valve; 19. Right exhaust valve; 20. Right exhaust controller; 21. Right exhaust assembly; 22. Left exhaust controller; 23. First cylinder nitrogen filling port; 24. First intermediate packing nitrogen filling port; 25. Second cylinder nitrogen filling port; 26. First sewage discharge port; 27. Second sewage discharge port; 28. Third cylinder nitrogen filling port; 29. Second intermediate packing nitrogen filling port; 30. Fourth cylinder nitrogen filling port; 31. Third sewage discharge port; 32. Fourth sewage discharge port; 33. Central processing unit; 34. Display; 35. Alarm; 36. Inlet and outlet gas controller; 37. Calculator; 38. Communicator; 39. Reciprocating state monitoring assembly; 40. Exhaust monitor; 41. Intake monitor. Specific embodiments

[0019] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings and specific embodiments. However, those skilled in the art will understand that the following described embodiments are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to illustrate the present invention and should not be construed as limiting the scope of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention. For those conditions not specified in the embodiments, they shall be carried out according to the conventional conditions or the conditions recommended by the manufacturer. Those reagents or instruments not specified by the manufacturer can be obtained as conventional products through commercial purchase.

[0020] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. These are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present invention. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0021] In the description of the present invention, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "connected", "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] As Figures 1-4 shown, a reciprocating hydrogen chloride compressor for reducing the displacement includes a left compressor cylinder block 3, a right compressor cylinder block 17 and a crankcase 11. A left buffer tank 7 is provided between the left compressor cylinder block 3 and the crankcase 11, and a right buffer tank 14 is provided between the right compressor cylinder block 17 and the crankcase 11. A left intake assembly 4 is installed at the upper end of the left compressor cylinder block 3, and a left exhaust assembly 1 is installed at the lower end of the left compressor cylinder block 3. A right intake assembly 16 is installed at the upper end of the right compressor cylinder block 17, and a right exhaust assembly 21 is installed at the lower end of the right compressor cylinder block 17. Inside the crankcase 11, there are a crankshaft member 10, a left connecting rod 9, a left piston mechanism 8, a right connecting rod 12 and a right piston mechanism 13. The left connecting rod 9 is located at the end of the crankshaft member 10, and the left piston mechanism 8 is located at the end of the left connecting rod 9. A left intake valve 5 is installed at a position above the middle inside the left compressor cylinder block 3, and a right intake valve 18 is installed at a position above the middle inside the right compressor cylinder block 17. Only one group of the left intake valve 5 and the right intake valve 18 is opened, and the other group is in a closed state. By canceling the number of intake valves in the compressor cylinder block to reduce the intake volume, the purpose of reducing the exhaust volume is achieved. The intake and exhaust are monitored and controlled in real time, while saving energy consumption, increasing the service life and reducing the cost of spare parts.

[0023] Furthermore, the left intake assembly 4 is connected in a through manner with the left intake valve 5, and the right intake assembly 16 is connected in a through manner with the right intake valve 18. A left exhaust valve 2 and a left exhaust controller 22 are installed at a position below the middle inside the left compressor cylinder block 3, and a right exhaust valve 19 and a right exhaust controller 20 are installed at a position below the middle inside the right compressor cylinder block 17.

[0024] Further, a first cylinder connection nitrogen filling port 23, a first intermediate packing nitrogen filling port 24 and a second cylinder connection nitrogen filling port 25 are provided at the upper end of the left buffer tank 7, and a first sewage discharge port 26 and a second sewage discharge port 27 are provided at the lower end of the left buffer tank 7. A third cylinder connection nitrogen filling port 28, a second intermediate packing nitrogen filling port 29 and a fourth cylinder connection nitrogen filling port 30 are provided at the upper end of the right buffer tank 14, and a third sewage discharge port 31 and a fourth sewage discharge port 32 are provided at the lower end of the right buffer tank 14.

[0025] Further, gas inlet and outlet monitors 6 are provided in both the left cylinder block 3 and the right cylinder block 17 of the compressor. Protective rings 15 are provided between the left cylinder block 3 of the compressor and the left buffer tank 7 and between the right cylinder block 17 of the compressor and the right buffer tank 14. A central processing unit 33, a display 34, an alarm 35, an air inlet and outlet controller 36, a calculator 37, a communicator 38, a reciprocating state monitoring component 39, an exhaust monitor 40 and an intake monitor 41 are provided on the gas inlet and outlet monitor 6. The intake monitor 41, the exhaust monitor 40 and the reciprocating state monitoring component 39 are all connected to the communicator 38. The communicator 38 is connected to the central processing unit 33. The central processing unit 33 is connected to the display 34, the alarm 35 and the air inlet and outlet controller 36.

[0026] Further, the left cylinder block 3 of the compressor intakes air from the position of the left intake assembly 4 and exhausts air from the position of the left exhaust assembly 1. The right cylinder block 17 of the compressor intakes air from the position of the right intake assembly 16 and exhausts air from the position of the right exhaust assembly 21. The crankshaft member 10, the left connecting rod 9, the left piston mechanism 8, the right connecting rod 12 and the right piston mechanism 13 reciprocate inside the crankcase 11.

[0027] Further, the intake of the left cylinder block 3 of the compressor is controlled by a left intake valve 5, and the exhaust of the left cylinder block 3 is controlled by a left exhaust valve 2 and a left exhaust controller 22. The intake of the right cylinder block 17 of the compressor is controlled by a right intake valve 18, and the exhaust of the right cylinder block 17 is controlled by a right exhaust valve 19 and a right exhaust controller 20.

[0028] Further, the upper end of the left buffer tank 7 is filled with nitrogen through the first cylinder connection nitrogen filling port 23, the first intermediate packing nitrogen filling port 24 and the second cylinder connection nitrogen filling port 25, and the lower end of the left buffer tank 7 is drained through the first sewage discharge port 26 and the second sewage discharge port 27. The upper end of the right buffer tank 14 is filled with nitrogen through the third cylinder connection nitrogen filling port 28, the second intermediate packing nitrogen filling port 29 and the fourth cylinder connection nitrogen filling port 30, and the lower end of the right buffer tank 14 is drained through the third sewage discharge port 31 and the fourth sewage discharge port 32.

[0029] Further, the output ends of the intake monitor 41, the exhaust monitor 40, and the reciprocating state monitoring component 39 are connected to the input end of the central processor 33 through the communicator 38, and the output end of the central processor 33 is connected to the input ends of the display 34, the alarm 35, and the intake and exhaust controller 36.

[0030] Embodiment: The main motor current drops from 125 A without the intake valve to 99 A, and 125 - 99 * 380 * 24 * 365 / 1000 = 86,500 kWh of electricity can be saved annually; The reflux drops from 81.9% before to 63.6%; the temperature of the front buffer tank of the machine drops from 25.1 °C before to 22.5 °C; the temperature of the rear buffer tank of the machine drops from 44.9 °C before to 29.9 °C; Canceling two intake valves is equivalent to the corresponding two exhaust valves not working either. Calculated according to the normal service life of the valve of 4000 h, the valve cost can be saved by 4 * 1135 * 2 = 9104 yuan annually; the usage of valve gaskets and valve cover gaskets is reduced by 4 each annually, and the cost is 40 * 4 + 60 * 4 = 400 yuan; due to the reduction of the intake volume, the wear of the support ring and piston ring is reduced, and 1411 * 4 + 289 * 8 = 7956 yuan can be saved annually.

[0031] The total cost of spare parts that can be saved annually is: 9104 + 400 + 7956 = 17,460 yuan.

[0032] Working principle: The present invention includes a left exhaust component 1, a left exhaust valve 2, a left cylinder block of the compressor 3, a left intake component 4, a left intake valve 5, an intake and exhaust monitor 6, a left buffer tank 7, a left piston mechanism 8, a left connecting rod 9, a crankshaft member 10, a crankcase 11, a right connecting rod 12, a right piston mechanism 13, a right buffer tank 14, a protective ring 15, a right intake component 16, a right cylinder block of the compressor 17, a right intake valve 18, a right exhaust valve 19, a right exhaust controller 20, a right exhaust component 21, a left exhaust controller 22, a first cylinder nitrogen filling port 23, a first intermediate packing nitrogen filling port 24, a second cylinder nitrogen filling port 25, a first sewage discharge port 26, a second sewage discharge port 27, a third cylinder nitrogen filling port 28, a second intermediate packing nitrogen filling port 29, a fourth cylinder nitrogen filling port 30, a third sewage discharge port 31, a fourth sewage discharge port 32, a central processor 33, a display 34, an alarm 35, an intake and exhaust controller 36, a calculator 37, a communicator 38, a reciprocating state monitoring component 39, an exhaust monitor 40, and an intake monitor 41. By canceling the number of intake valves of the compressor cylinder block to reduce the intake volume so as to achieve the purpose of reducing the exhaust volume, the intake and exhaust are monitored and controlled in real time, while saving energy consumption, extending the service life, and reducing the cost of spare parts.

[0033] Remove one intake valve from each of the left and right cylinder heads of the compressor. The intake and exhaust volume will be reduced by 50%. Without changing the usage amount of high-boiling conversion, the amount flowing back to the pre-compressor buffer tank will also decrease. This can reduce the temperature of the pre-compressor buffer tank and the powder carrying amount, thereby reducing the wear on the cylinder liner. Taking the left cylinder as an example, remove the intake valve on the cylinder head side. When the piston moves to the right, hydrogen chloride gas enters the cylinder through the intake tank. When the piston moves to the right dead center and then moves to the left, the gas in the cylinder is compressed and returns along the original path to the intake tank. Since the volume in the cylinder is much smaller than that of the intake tank and the pipeline, there will not be a large pressure fluctuation in the intake pipeline during the exhaust process on this side. Also, considering that the crankshaft does uniform work without generating alternating stress, when removing the air valve, remove the air valve on the cylinder head side from the left (right) cylinder block and remove the air valve on the stuffing box side from the right (left) cylinder block.

[0034] For the entire hydrogen chloride system, there are 9.8 m³ pre-compressor (post-compressor) buffer tanks before and after the compressor, so there will be no pressure fluctuation in the entire system.

[0035] It should be noted that in this article, relational terms such as first and second (No. 1, No. 2), etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising a..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the said element.

[0036] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements fall within the scope of the present invention claimed.

Claims

1. A hydrogen chloride reciprocating compressor for reducing exhaust volume, comprising a left compressor cylinder (3), a right compressor cylinder (17) and a crankcase (11), characterized in that: A left buffer tank (7) is arranged between the left cylinder block (3) of the compressor and the crankcase (11), a right buffer tank (14) is arranged between the right cylinder block (17) of the compressor and the crankcase (11), a left air intake assembly (4) is mounted on the upper end of the left cylinder block (3) of the compressor, a left air exhaust assembly (1) is mounted on the lower end of the left cylinder block (3) of the compressor, a right air intake assembly (16) is mounted on the upper end of the right cylinder block (17) of the compressor, a right air exhaust assembly (21) is mounted on the lower end of the right cylinder block (17) of the compressor, and the crankcase (11) is mounted on the lower end of the right cylinder block (17). ) is provided with a crankshaft (10), a left connecting rod (9), a left piston mechanism (8), a right connecting rod (12) and a right piston mechanism (13) inside. The left connecting rod (9) is located at the end of the crankshaft (10), and the left piston mechanism (8) is located at the end of the left connecting rod (9). A left intake valve (5) is installed at an upper position inside the left cylinder body (3) of the compressor, and a right intake valve (18) is installed at an upper position inside the right cylinder body (17) of the compressor. Only one set of the left intake valve (5) and the right intake valve (18) is opened, and the other set is in a closed state.

2. A hydrogen chloride reciprocating compressor with reduced exhaust volume according to claim 1, characterized in that: The left air intake assembly (4) is in continuous connection with the left air intake valve (5), the right air intake assembly (16) is in continuous connection with the right air intake valve (18), a left exhaust valve (2) and a left exhaust controller (22) are installed at a lower position inside the left cylinder body (3) of the compressor, and a right exhaust valve (19) and a right exhaust controller (20) are installed at a lower position inside the right cylinder body (17) of the compressor.

3. A hydrogen chloride reciprocating compressor with reduced exhaust volume according to claim 1, characterized in that: The upper end of the left buffer tank (7) is provided with a first connecting tube nitrogen charging port (23), a first intermediate filler nitrogen charging port (24) and a second connecting tube nitrogen charging port (25); the lower end of the left buffer tank (7) is provided with a first sewage discharge port (26) and a second sewage discharge port (27); the upper end of the right buffer tank (14) is provided with a third connecting tube nitrogen charging port (28), a second intermediate filler nitrogen charging port (29) and a fourth connecting tube nitrogen charging port (30); the lower end of the right buffer tank (14) is provided with a third sewage discharge port (31) and a fourth sewage discharge port (32).

4. A hydrogen chloride reciprocating compressor with reduced exhaust volume according to claim 1, characterized in that: The left cylinder body (3) and the right cylinder body (17) of the compressor are both provided with an inlet and outlet gas monitor (6); a protective ring (15) is provided between the left cylinder body (3) and the left buffer tank (7) of the compressor and between the right cylinder body (17) and the right buffer tank (14) of the compressor; the inlet and outlet gas monitor (6) is provided with a central processing unit (33), a display (34), an alarm (35), an inlet and outlet gas controller (36), a calculator (37), a communicator (38), a reciprocating state monitoring component (39), an exhaust monitor (40) and an intake monitor (41); the intake monitor (41), the exhaust monitor (40) and the reciprocating state monitoring component (39) are all connected to the communicator (38); the communicator (38) is connected to the central processing unit (33); the central processing unit (33) is connected to the display (34), the alarm (35) and the inlet and outlet gas controller (36).

5. A hydrogen chloride reciprocating compressor with reduced exhaust volume according to claim 1, characterized in that: The left cylinder body (3) of the compressor takes in air from the position of the left intake assembly (4) and exhausts air from the position of the left exhaust assembly (1); the right cylinder body (17) of the compressor takes in air from the position of the right intake assembly (16) and exhausts air from the position of the right exhaust assembly (21); the crankshaft (10), the left connecting rod (9), the left piston mechanism (8), the right connecting rod (12) and the right piston mechanism (13) reciprocate inside the crankcase (11).

6. A hydrogen chloride reciprocating compressor with reduced exhaust volume according to claim 2, characterized in that: The interior of the left cylinder (3) of the compressor is controlled for air intake through a left intake valve (5), the interior of the left cylinder (3) of the compressor is controlled for air exhaust through a left exhaust valve (2) and a left exhaust controller (22), the interior of the right cylinder (17) of the compressor is controlled for air intake through a right intake valve (18), and the interior of the right cylinder (17) of the compressor is controlled for air exhaust through a right exhaust valve (19) and a right exhaust controller (20).

7. A hydrogen chloride reciprocating compressor with reduced exhaust volume according to claim 3, characterized in that: The upper end of the left buffer tank (7) is charged with nitrogen through the first connecting tube nitrogen charging port (23), the first intermediate filler nitrogen charging port (24) and the second connecting tube nitrogen charging port (25), and the lower end of the left buffer tank (7) is discharged through the first sewage discharge port (26) and the second sewage discharge port (27). The upper end of the right buffer tank (14) is charged with nitrogen through the third connecting tube nitrogen charging port (28), the second intermediate filler nitrogen charging port (29) and the fourth connecting tube nitrogen charging port (30), and the lower end of the right buffer tank (14) is discharged through the third sewage discharge port (31) and the fourth sewage discharge port (32).

8. A hydrogen chloride reciprocating compressor with reduced exhaust volume according to claim 4, characterized in that: The output ends of the intake monitor (41), the exhaust monitor (40) and the reciprocating state monitoring component (39) are connected to the input end of the central processing unit (33) via the communicator (38), and the output end of the central processing unit (33) is connected to the input end of the display (34), the alarm (35) and the intake and outlet controller (36).