CN213090544U

CN213090544U - After cooler for membrane separation nitrogen making machine for coal mine

Info

Publication number: CN213090544U
Application number: CN202020667939.4U
Authority: CN
Inventors: 李凤彬; 付兴亚
Original assignee: Beijing Changshun Anda Measurement And Control Technology Co ltd
Current assignee: Beijing Changshun Anda Measurement And Control Technology Co ltd
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2021-04-30
Anticipated expiration: 2030-04-24

Abstract

The utility model relates to a rear cooler for a membrane separation nitrogen making machine for coal mines, which comprises a bottom tube box, a cylinder component, a top tube box, a sealing ring, a bolt, a nut, a flat washer and a spring washer, wherein the bottom tube box comprises a base, a water inlet and a water outlet, the base plays a supporting role for the utility model, the water inlet and the water outlet are connected with a cooling water pipeline, the bottom tube box comprises two blow-off ports for discharging cooling water, the cylinder component comprises an air inlet and an air outlet for connecting heat exchange gas, the inside of the cylinder component comprises a heat exchange tube, the cooling water is communicated inside the heat exchange tube, the heat exchange gas flows from the air inlet to the air outlet between the heat exchange tube and the cylinder, the baffle plate is used for increasing the gas stroke and the heat exchange efficiency, the bottom of the cylinder component is provided with a blow-off, the heat exchange system can be used in an explosive gas environment.

Description

After cooler for membrane separation nitrogen making machine for coal mine

Technical Field

The utility model relates to a heat exchanger technical field, concretely relates to film separation is aftercooler for nitrogen generator for coal mine.

Background

The membrane separation nitrogen making process is that raw material air is compressed by an air compressor and then enters an air purification system, and then enters a membrane tube group, and nitrogen and oxygen in the air are separated by utilizing different permeation rates of different gas molecules in hollow fiber membranes of the membrane tubes. The air purification system generally comprises a cold dryer, filters with different precisions and oil removers, and the water, oil and dust in the compressed air are filtered completely from coarse to fine through cooling dehumidification and the filters, so that the cleanness of the feed gas entering the nitrogen making machine is ensured. But the membrane separation nitrogen generator for coal mine is because in the explosion gas environment, various electrical equipment must be the product through explosion-proof authentication just can use, and explosion-proof cold dry not only the cost is high, breaks down easily moreover, how to develop a cooler that is fit for using in the pit in colliery and become the key place of membrane separation nitrogen generator for coal mine, the utility model discloses just provide an efficient aftercooler who uses water as the cold medium matter for membrane separation nitrogen generator for coal mine.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: aiming at the characteristic that the underground explosive gas environment of the coal mine needs explosion prevention, the refrigeration system does not comprise any electrical appliance element, does not need explosion prevention authentication, and has the advantages of high cooling efficiency, stable refrigeration effect, low production cost and convenient use.

In order to achieve the purpose, the utility model provides an use water as cold medium matter, be fit for the after cooler that membrane separation nitrogen generator used for the coal mine, the scheme is as follows: the utility model relates to a colliery is with back cooler for membrane separation nitrogen generator comprises connecting pieces such as bottom pipe case, barrel subassembly, top pipe case, sealing washer and bolt, nut, plain washer, spring washer, is equipped with the sealing washer between barrel subassembly and bottom pipe case, top pipe case to connect into whole with barrel subassembly, bottom pipe case, top pipe case by bolt, nut, plain washer, spring washer, bottom pipe case plays the supporting role to whole refrigerating system.

Preferably, the bottom pipe box comprises a base, a lower barrel, a sewage outlet E1, a sewage outlet E2, a partition plate, a water inlet, a water outlet and a lower pipe box flange, the lower barrel is welded on the base, the water inlet and the water outlet are welded on the left side and the right side of the lower barrel, the middle of the lower barrel is separated by the partition plate, the sewage outlet E1 and the sewage outlet E2 are respectively welded on the front portion of the lower barrel and the left side and the right side of the partition plate, and the upper portion of the lower barrel is welded with the lower pipe box.

Preferably, the cylinder component comprises a cylinder body, an air inlet, an air outlet, a sensor seat, an evacuation port, a drain outlet E3, a heat exchange tube, a baffle plate I, a baffle plate II, a distance tube A1, a distance tube A2, a distance tube A3, a distance tube A4, a long pull rod, a short pull rod, a pull rod nut, an upper tube plate and a lower tube plate, wherein the lower parts of the long pull rod and the short pull rod are connected with the lower tube plate through threads, two ends of the heat exchange tube are respectively connected with the upper tube plate and the lower tube plate, the middle part of the heat exchange tube penetrates through the baffle plate I, the baffle plate II, the distance tube A1, the distance tube A2, the distance tube A3 and the distance tube A4 respectively penetrate through the long pull rod or the short pull rod and are positioned between the baffle plate I and the baffle plate II to separate and fix the baffle plate, the pull rod nut is in threaded connection with the upper ends of the long pull rod and the, The distance tube A1, the distance tube A2, the distance tube A3 and the distance tube A4 are connected together to form a tube bundle and are installed in the cylinder body, the cylinder body is welded with the upper tube plate and the lower tube plate, the air inlet and the air outlet are welded on the cylinder body, and the emptying port and the sensor seat are welded on the air inlet.

Preferably, the top pipe box consists of an upper pipe box flange and a seal head, and the upper pipe box flange and the seal head are welded with each other.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a sectional view of the utility model a-a.

The reference numerals in the figures are respectively: 1. the base 2 is a lower cylinder body; 3. a sewage discharge outlet E1; 4. a partition plate; 5. a sewage discharge outlet E2; 6. a water inlet; 7. a sensor seat; 8. an air inlet; 9. emptying the air; 10. a distance tube A1; 11. a barrel; 12. a baffle plate I; 13. a baffle plate II; 14. a short pull rod; 15. a draw rod nut; 16. a heat exchange pipe; 17. an upper tube sheet; 18. an upper pipe box flange; 19. a seal ring; 20, sealing the end; 21. a bolt; 22. a nut; 23. a flat washer; 24. a spring washer; 25. an air outlet; 26. a long pull rod; 27. a distance tube A2; 28. a distance tube A3; 29. a distance tube A4; 30. a sewage discharge outlet E3; 31. a lower tube plate; 32. a lower pipe box flange; and (33) water outlet.

Detailed Description

The present invention will be described in detail with reference to the following embodiments.

Referring to fig. 1 and 2, the utility model discloses by bottom pipe case, barrel subassembly, top pipe case, sealing washer 19, bolt 21, nut 22, plain washer 23, spring washer 24 constitute, be equipped with sealing washer 19 between barrel subassembly and bottom pipe case, top pipe case, guarantee system sealing performance to be connected barrel subassembly and bottom pipe case, top pipe case with bolt 21, nut 22, plain washer 23, spring washer 24.

The bottom pipe box comprises a base 1, a lower barrel 2, a sewage draining port E13, a sewage draining port E25, a partition plate 4, a water inlet 6, a water outlet 33 and a lower pipe box flange 32, wherein the lower barrel 2 is welded on the base 1, the water inlet 6 and the water outlet 33 are welded on the left side and the right side of the lower barrel, the middle of the lower barrel is separated by the partition plate 4, the sewage draining port E25 and the sewage draining port E13 are respectively welded on the left side and the right side of the lower barrel 2 in front of the lower barrel, and the upper part of the lower barrel 2 is welded with the.

The cylinder component comprises a cylinder 11, an air inlet 8, an air outlet 25, a sensor seat 7, an evacuation port 9, a sewage discharge port E330, a heat exchange tube 16, a baffle plate I12, a baffle plate II13, a distance tube A110, a distance tube A227, a distance tube A328, a distance tube A429, a long pull rod 26, a short pull rod 14, a pull rod nut 15, an upper tube plate 17 and a lower tube plate 31, wherein the lower parts of the long pull rod 26 and the short pull rod 14 are connected with the lower tube plate 31 through threads, two ends of the heat exchange tube 16 are respectively connected with the upper tube plate 17 and the lower tube plate 31, the middle part of the heat exchange tube passes through the baffle plate I12 and the baffle plate II13, the distance tube A110, the distance tube A227, the distance tube A328 and the distance tube A429 respectively pass through the long pull rod 26 or the short pull rod 14 and are positioned between the baffle plate I12 and the baffle plate II13, the pull rod nut 15 is in threaded connection with the upper ends of the long pull rod 26 and, The baffle plate II13, the distance tube A110, the distance tube A227, the distance tube A328 and the distance tube A429 are connected together to form a tube bundle and are installed in the cylinder body 11, the cylinder body 11 is welded with the upper tube plate 17 and the lower tube plate 31, the air inlet 8 and the air outlet 25 are welded on the cylinder body, and the emptying port 9 and the sensor seat 7 are welded on the air inlet 8.

The top tube box consists of an upper tube box flange 18 and a seal head 20, and the upper tube box flange 18 and the seal head 20 are welded with each other.

The above is only a specific embodiment of the present invention, not so limiting the application claims of the present invention, all the equivalent structural changes made by the description and the drawings of the present invention are all contained in the protection scope of the present invention.

Claims

1. The utility model provides a colliery is aftercooler for membrane separation nitrogen generator which characterized in that: the sealing device is composed of a bottom tube box, a cylinder assembly, a top tube box, a sealing ring (19), a bolt (21), a nut (22), a flat washer (23) and a spring washer (24), wherein the sealing ring (19) is arranged between the cylinder assembly and the bottom tube box and between the cylinder assembly and the top tube box, and the cylinder assembly is connected with the bottom tube box and the top tube box through the bolt (21), the nut (22), the flat washer (23) and the spring washer (24).

2. The after cooler for the membrane separation nitrogen making machine for the coal mine as claimed in claim 1, characterized in that the bottom tube box is composed of a base (1), a lower cylinder (2), a sewage discharge outlet E1(3), a sewage discharge outlet E2(5), a partition plate (4), a water inlet (6), a water outlet (33) and a lower tube box flange (32), wherein the base (1) is provided with a bolt connecting hole, the lower cylinder (2) is welded on the base (1), the water inlet (6) and the water outlet (33) are welded on the left side and the right side of the lower cylinder (2), the middle part is separated by the partition plate (4), the sewage discharge outlet E1(3) and the sewage discharge outlet E2(5) are respectively welded on the front part of the lower cylinder (2) and on the two sides of the partition plate (4) and used for discharging cooling water inside the system, and the upper part of the lower cylinder (2.

3. The after cooler for the membrane separation nitrogen making machine for the coal mine according to claim 1, characterized in that the cylinder assembly comprises a cylinder (11), an air inlet (8), an air outlet (25), a sensor seat (7), an evacuation port (9), a sewage discharge port E3(30), a heat exchange tube (16), a baffle plate I (12), a baffle plate II (13), a distance tube A1(10), a distance tube A2(27), a distance tube A3(28), a distance tube A4(29), a long pull rod (26), a short pull rod (14), a pull rod nut (15), an upper tube plate (17) and a lower tube plate (31), wherein the lower parts of the long pull rod (26) and the short pull rod (14) are connected with the lower tube plate (31) through threads, two ends of the heat exchange tube (16) are respectively connected with the upper tube plate (17) and the lower tube plate (31), the middle part of the heat exchange tube (16) passes through the baffle plate I (12) and the baffle plate II (, A distance tube A2(27), a distance tube A3(28) and a distance tube A4(29) respectively penetrate through the long pull rod (26) or the short pull rod (14), and is positioned between the baffle plate I (12) and the baffle plate II (13), the pull rod nut (15) is connected with the upper ends of the long pull rod (26) and the short pull rod (14) by screw threads, the heat exchange tube (16), the baffle plate I (12), the baffle plate II (13), the distance tube A1(10), the distance tube A2(27), the distance tube A3(28) and the distance tube A4(29) are connected together through the long pull rod (26), the short pull rod (14) and the pull rod nut (15) to form a tube bundle which is arranged in the cylinder body (11), the cylinder body (11) is welded with the upper tube plate (17) and the lower tube plate (31), an air inlet (8) and an air outlet (25) are welded on the cylinder body, and an emptying port (9) and a sensor seat (7) are welded on the air inlet (8).

4. The after cooler for the membrane separation nitrogen making machine for the coal mine as claimed in claim 1, wherein the top tube box is composed of an upper tube box flange (18) and a seal head (20), and the upper tube box flange (18) and the seal head (20) are welded with each other.