CN214159112U

CN214159112U - Drainage device for freezing type compressed air dryer

Info

Publication number: CN214159112U
Application number: CN202022461274.4U
Authority: CN
Inventors: 施慧学
Original assignee: Hangzhou Huilan Gas Equipment Co ltd
Current assignee: Hangzhou Huilan Gas Equipment Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-09-10
Anticipated expiration: 2030-10-30

Abstract

The utility model discloses a drainage device for a refrigeration type compressed air dryer, which comprises a shell, wherein a clapboard is fixed in the shell, an evaporator is fixed at the top of the clapboard, a gas-liquid separation device is arranged at the right side end of the evaporator, a water purification box is fixed at the inner wall of the bottom of the shell, a water pipe a is fixed between the bottom of the gas-liquid separation device and the top of the water purification box, a drain pipe is spliced at the bottom of the water pipe a from the outer wall of the side end, a ball valve is arranged on the drain pipe, a water locking valve is fixed at the bottom end of the water pipe a, a filter pipe is spliced on the water pipe a, a filter device is arranged in the filter pipe, the right side end of the filter device is connected with a slide bar through a fixed rotating shaft, a movable lantern ring is arranged on the slide bar in a sleeving manner, a bolt rod is fixed on the outer wall of the right side end of the movable lantern ring, a limiting plate is fixed on the outer wall of the left side end of the slide bar in a welding manner, the utility model, three filter devices can filter the separated water discharged from the gas-liquid separation device for multiple times, the water can be conveniently separated and reused subsequently.

Description

Drainage device for freezing type compressed air dryer

Technical Field

The utility model relates to a compressed air drying equipment technical field specifically is a drainage device for freezing formula compressed air drying machine.

Background

The compressed air dryer is divided into a freezing type compressed air dryer which separates out moisture in wet air from the air after condensation by utilizing the principle of cooling the air and reducing the air temperature to obtain drier air. The adsorption type compressed air dryer utilizes the principle of pressure swing adsorption, and when wet air passes through the adsorbent, moisture is adsorbed by the adsorbent to obtain dry air.

The working mode of the existing freezing type air dryer is as follows: the compressed air with high humidity and high temperature flows into the evaporator, the heat exchange between the compressed air and the refrigerant is realized through the heat exchange function of the evaporator, the heat in the compressed air is taken away by the refrigerant, the compressed air is cooled rapidly, the moisture in the humid air reaches the saturation temperature and is condensed rapidly, the condensed moisture forms water drops after condensation, the water drops rotate at a high speed through the unique air-water separator, the moisture is separated from the air due to the action of centrifugal force, and the separated water is discharged from the automatic water discharge valve. The dew point of the air pressure after temperature reduction can reach 2 ℃ at least.

Freezing formula compressed air dryer is after cooling down compressed air through the evaporimeter, then can separate out the steam that mixes in the compressed air with compressed air reinputing into gas-liquid separation device, final steam can be discharged from gas-liquid separation device with the form of liquid water, however, current freezing formula compressed air dryer is generally with the direct sewage pipe that discharges of exhaust separation water, long-time accumulation will cause the waste of water resource like this, and the mixed impurity in the compressed air can be mixed in the exhaust separation water, if need collect the use to the separation water, then need filter it.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drainage device for freezing formula compressed air drying machine to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a drainage device for a refrigeration type compressed air dryer comprises a shell, wherein a partition plate is fixed in the shell, an evaporator is fixed at the left end of the top of the partition plate, the right end of the evaporator is connected with a gas-liquid separation device through a gas pipe a, the inner wall of the bottom of the shell is fixedly connected with a water purification box, a water pipe a is fixed between the bottom of the gas-liquid separation device and the top of the water purification box, a drainage pipe is inserted at the bottom of the water pipe a from the outer wall of the side end, a ball valve is arranged on the drainage pipe, a water locking valve is fixed at the bottom end of the water pipe a, a filter pipe is inserted on the water pipe a, a filter device is arranged in the filter pipe, the right end of the filter device is connected with a slide bar through a fixed rotating shaft, a movable lantern ring is arranged on the slide bar in a sleeving manner, a, and a spring group is fixed between the inner wall of the limiting plate and the outer wall of the left end of the movable lantern ring.

As a further aspect of the present invention: the upper end of the filter pipe is fixedly connected with the upper end part of the water pipe a through a flange device a, the lower end of the filter pipe is fixedly connected with the lower end part of the water pipe a through a flange device b, and the flange device a and the flange device b are fixedly connected through bolts.

As a further aspect of the present invention: the curved clamping block is rotatably connected with the limiting plate through a hinge structure, the outer walls of the upper end and the lower end of the movable lantern ring are fixed with threaded clamping rods in a threaded fixing mode, and the bottom ends of the threaded clamping rods can be in contact with the outer end wall of the sliding rod.

As a further aspect of the present invention: the outer wall of the left end of the filter pipe is fixed with a bolt seat in a welding mode, and the outer wall of the left end of the bolt seat is provided with a bolt hole which can be matched with a bolt rod for use.

As a further aspect of the present invention: the filter equipment includes the fixed frame of annular, fixedly connected with filter screen a in the fixed frame of annular, and the fixed frame right side end outer wall of annular is connected through pivot and filter tube right side end inner wall rotation, and the fixed frame left side end of annular is through pivot and slide bar right side end outer wall fixed connection.

As a further aspect of the present invention: water pipe a bottom and water purification tank top inner wall fixed connection, water purification tank include the box, and box upper end inner wall is fixed with filter screen b, and filter screen b lower extreme is equipped with the activated carbon adsorption board, and filter screen b and activated carbon adsorption board all are connected with fixed slide rail, and filter screen b and activated carbon adsorption board all can follow water purification tank front end outer wall and take out.

As a further aspect of the present invention: the water pump is fixed on the outer wall of the left end of the box body, the water pipe b is arranged at the bottom of the inner wall of the left end of the box body, the other end of the water pipe b is fixedly connected with the bottom end of the water pump, the water pipe c is fixed at the top end of the water pump, and the other end of the water pipe c is fixedly connected with the outer wall of the upper end of the water.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in can carry out the primary filtration to exhaust separation water among the gas-liquid separation device through the filter equipment an that sets up, cooling water after the filtration can enter into in the water storage purifying box respectively by filter screen b and active carbon adsorption plate filter once more, can store in the water storage purifying box inside after filtering, treat the separation water among the gas-liquid separation device and discharge the back completely, open filter equipment's fixing device, the separation water that the start-up water pump stored the water storage purifying box bottom is washed filter equipment, after the manifold cycles, close the lock water valve, open the ball valve, make separation water follow drain pipe discharge, can carry out filtration purification to gas-liquid separation device exhaust separation water through above-mentioned mode, be convenient for follow-up to its utilization.

Drawings

Fig. 1 is a schematic sectional view of a drainage device for a refrigerated compressed air dryer in a front view.

Fig. 2 is a partial sectional view schematically showing a filter pipe in a drainage device for a refrigerating type compressed air dryer.

Fig. 3 is a schematic view of a filter device in a top view in a drain device for a refrigerating compressed air dryer.

Fig. 4 is a schematic sectional view of a water storage purifying tank in a front view direction in a drainage device for a refrigerating compressed air dryer.

In the figure: 1. a housing; 2. a partition plate; 3. an evaporator; 4. a gas-liquid separation device; 5. a water pipe a; 5-1, locking a water valve; 5-2, a filter pipe; 5-3, flange device a; 5-4, flange device b; 5-5, a filtering device; 5-5-1, filtering screen a; 5-5-2, annular fixed frame; 5-6, a rotating shaft; 5-7, a slide bar; 5-8, moving the lantern ring; 5-9 parts of a limiting plate; 5-10 parts of a threaded clamping rod; 5-11 parts of a bolt seat; 5-12, a bolt rod; 5-13, bolt holes; 5-14, a hinge structure; 5-15, a curved fixture block; 5-16, spring group; 6. a water purification tank; 6-1, a box body; 6-2, a filtering screen b; 6-3, an active carbon adsorption plate; 6-4, fixing a sliding rail; 6-5, a water pump; 7. a drain pipe; 7-1, a ball valve.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-3, a water discharging device for a refrigeration type compressed air dryer comprises a casing 1, a partition plate 2 is fixed in the casing 1, an evaporator 3 is fixed at the left end of the top of the partition plate 2, a gas-liquid separating device 4 is connected at the right end of the evaporator 3 through a gas pipe a, a water purifying tank 6 is fixedly connected at the inner wall of the bottom of the casing 1, a water pipe a5 is fixed between the bottom end of the gas-liquid separating device 4 and the top of the water purifying tank 6, a water discharging pipe 7 is inserted at the bottom of the water pipe a5 from the outer wall of the side end, a ball valve 7-1 is arranged on the water discharging pipe 7, the arranged water discharging pipe 7 is used for discharging separated water after being filtered, a water locking valve 5-1 is fixed at the bottom of the water pipe a5, a filter pipe 5-2 is inserted on the water pipe a5, a filter device 5-5 is arranged in the filter pipe 5-, a movable lantern ring 5-8 is arranged on the sliding rod 5-7 in a sleeving manner, a bolt rod 5-12 is fixed on the outer wall of the right side end of the movable lantern ring 5-8, a limiting plate 5-9 is fixed on the outer wall of the left side end of the sliding rod 5-7 in a welding manner, a curved clamping block 5-15 is fixed on the outer wall of the upper and lower ends of the limiting plate 5-9, the curved clamping block 5-15 is arranged for limiting and fixing the movable lantern ring 5-8, a spring group 5-16 is fixed between the inner wall of the limiting plate 5-9 and the outer wall of the left side end of the movable lantern ring 5-8, the spring group 5-16 is arranged for inserting the bolt rod 5-12 into the bolt hole 5-13, the upper end of the filter pipe 5-2 is fixedly connected with the upper end of a5 through a flange device a5-3, the lower end of the filter pipe 5-2 is fixedly connected with the lower end of the water pipe a5 through a flange device b5-4, the flange device a5-3 and the flange device b5-4 are fixedly connected through bolts, the flange device a5-3 and the flange device b5-4 are arranged to facilitate disassembly and cleaning of the filter device 5-5 when the filter device is blocked, the curved fixture block 5-15 is rotatably connected with the limiting plate 5-9 through a hinge structure 5-14, the outer walls of the upper end and the lower end of a movable lantern ring 5-8 are fixedly provided with threaded fixture rods 5-10 through threads, the bottom end of each threaded fixture rod 5-10 can be contacted with the outer wall of a sliding rod 5-7, the threaded fixture rods 5-10 are arranged to prevent separated water from driving the filter device 5-5 to rotate when the separated water flows from a water pipe a5, so that the filtering effect of the separated water is affected, the outer wall of the left end of the filter pipe 5-2 is fixedly provided with a bolt seat 5-11 through welding, the outer wall of the left side end of the plug seat 5-11 is provided with plug holes 5-13, the plug holes 5-13 can be matched with plug rods 5-12 for use, the filtering device 5-5 comprises an annular fixing frame 5-5-2, a filtering screen a5-5-1 is fixedly connected in the annular fixing frame 5-5-2, the outer wall of the right side end of the annular fixing frame 5-5-2 is rotatably connected with the inner wall of the right side end of the filtering pipe 5-2 through a rotating shaft 5-6, and the left side end of the annular fixing frame 5-5-2 is fixedly connected with the outer wall of the right side end of the sliding rod 5-7 through the rotating shaft 5-.

Referring to fig. 1 and 4, the bottom end of the water pipe a5 is fixedly connected with the inner wall of the top of the water purification tank 6, the water purification tank 6 includes a tank body 6-1, the inner wall of the upper end of the tank body 6-1 is fixed with a filter screen b6-2, the lower end of the filter screen b6-2 is provided with an activated carbon adsorption plate 6-3, the filter screen b6-2 and the activated carbon adsorption plate 6-3 are arranged to perform multiple filtering for separation, so that the separated water is better filtered, the filter screen b6-2 and the activated carbon adsorption plate 6-3 are both connected with a fixed slide rail 6-4, the filter screen b6-2 and the activated carbon adsorption plate 6-3 are both drawn out from the outer wall of the front end of the water purification tank 6, so as to facilitate cleaning the filter screen b6-2 and the activated carbon adsorption plate 6-3 and improve the filtering effect, the bottom end pipe orifice of the water pipe a5 is fixedly connected with the inner wall of the top of the water purification box 6, the outer wall of the left side end of the box body 6-1 is fixedly provided with a water pump 6-5, the bottom of the inner wall of the left side end of the box body 6-1 is provided with a water pipe b, the other end of the water pipe b is fixedly connected with the bottom end of the water pump 6-5, the top end of the water pump 6-5 is fixedly provided with a water pipe c, and the other end of the water pipe c is fixedly connected with the outer wall of the upper end part of the water pipe a 5.

The utility model discloses a theory of operation is: firstly, compressed gas pre-cooled in advance is introduced into an evaporator 3 through a gas pipe, the evaporator 3 rapidly cools the compressed gas, the cooled low-temperature compressed air enters a gas-liquid separation device 4 through a gas pipe a, the gas-liquid separation device 4 performs gas-liquid separation on the low-temperature compressed air, separated water is stored, after the separated water is stored to a certain volume, a ball valve 7-1 is closed, a water opening valve 5-1 is opened, the separated water is led into a water pipe a5 after the separation is completed, the separated water is firstly primarily filtered by a filter screen a5-3 on the filter device 5-3 when flowing in a water pipe a5, impurities mixed in the separated water are accumulated on the upper part of the filter screen a5-3, the primarily filtered separated water flows into a water storage purification tank 6, the filter screen b6-2 and an active carbon adsorption plate 6-3 arranged in the water storage purification tank 6 filter the separated water again, the separated water after filtration is stored at the bottom of the water storage purification box 6, when the separated water stored in the gas-liquid separation device 4 completely flows into the water storage purification box 6, the threaded clamping rod 5-10 is unscrewed, the movable lantern ring 5-8 is pulled leftwards, when the bolt rod 5-12 is separated from the bolt hole 5-13, the movable lantern ring 5-8 is limited by the curved clamping block 5-15, the filtering device 5-5 can rotate in the filtering pipe 5-2, then the water pump 6-5 is started, the water pump 6-5 conveys the separated water into the water pipe a5 through the water pipe, the separated water scours the filtering device 5-5, impurities are accumulated on the filtering sieve plate b6-2 and the active carbon adsorption plate 6-3, after multiple cycles, the separated water is ensured to be filtered by the filtering sieve plate b6-2 and the active carbon adsorption plate 6-3, and the scouring of the filtering device 5-5 is finished And then closing the water locking valve 5-1, opening the ball valve 7-1 to discharge the separated water from the water discharge pipe 7, opening the curved clamping block 5-15 after the water discharge is finished, inserting the bolt rod 5-12 into the bolt hole 5-13, screwing the threaded clamping rod 5-10 to prevent the filtering device 5-5 from rotating, pulling out the filtering screen b6-2 and the activated carbon adsorption plate 6-3 for cleaning, and filtering the next separated water after the cleaning is finished.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A drainage device for a refrigeration type compressed air dryer comprises a shell (1), wherein a partition plate (2) is fixed in the shell (1), an evaporator (3) is fixed at the left end of the top of the partition plate (2), and the right end of the evaporator (3) is connected with a gas-liquid separation device (4) through a gas pipe a, and is characterized in that a water purification box (6) is fixedly connected with the inner wall of the bottom of the shell (1), a water pipe a (5) is fixed between the bottom end of the gas-liquid separation device (4) and the top of the water purification box (6), a drain pipe (7) is inserted at the bottom of the water pipe a (5) through the outer wall of the side end, a ball valve (7-1) is arranged on the drain pipe (7), a water locking valve (5-1) is fixed at the bottom end of the water pipe a (5), a filter pipe (5-2) is inserted on the water pipe a (5), and a filter device (5-5) is arranged in the filter pipe (5-2), the right side end of the filtering device (5-5) is connected with a sliding rod (5-7) through a fixed rotating shaft (5-6), a movable lantern ring (5-8) is arranged on the sliding rod (5-7) in a sleeved mode, a bolt rod (5-12) is fixed on the outer wall of the right side end of the movable lantern ring (5-8), a limiting plate (5-9) is fixed on the outer wall of the left side end of the sliding rod (5-7) in a welded mode, curved clamping blocks (5-15) are fixed on the outer walls of the upper end and the lower end of the limiting plate (5-9), and a spring group (5-16) is fixed between the inner wall of the limiting plate (5-9) and the outer wall of the left side end of the movable lantern ring (5-8).

2. The drain device for the refrigerated compressed air dryer according to claim 1, wherein the upper end of the filter pipe (5-2) is fixedly connected with the upper end of the water pipe a (5) through a flange device a (5-3), the lower end of the filter pipe (5-2) is fixedly connected with the lower end of the water pipe a (5) through a flange device b (5-4), and the flange device a (5-3) and the flange device b (5-4) are fixedly connected through bolts.

3. The drainage device for the refrigerated compressed air dryer according to claim 1, wherein the curved clamping blocks (5-15) are rotatably connected with the limiting plates (5-9) through hinge structures (5-14), the outer walls of the upper end and the lower end of the movable lantern ring (5-8) are respectively fixed with a threaded clamping rod (5-10) in a threaded fixing mode, and the bottom end of the threaded clamping rod (5-10) can be contacted with the outer end wall of the sliding rod (5-7).

4. The drain device for the refrigerated compressed air dryer according to claim 1, wherein the outer wall of the left side end of the filter pipe (5-2) is fixed with a pin seat (5-11) by welding, the outer wall of the left side end of the pin seat (5-11) is provided with a pin hole (5-13), and the pin hole (5-13) can be matched with a pin rod (5-12).

5. The water drainage device for the refrigerated compressed air dryer according to claim 1, wherein the filtering device (5-5) comprises an annular fixing frame (5-5-2), a filtering screen a (5-5-1) is fixedly connected in the annular fixing frame (5-5-2), the outer wall of the right side end of the annular fixing frame (5-5-2) is rotatably connected with the inner wall of the right side end of the filtering pipe (5-2) through a rotating shaft (5-6), and the left side end of the annular fixing frame (5-5-2) is fixedly connected with the outer wall of the right side end of the sliding rod (5-7) through the rotating shaft (5-6).

6. The drain device for the refrigerated compressed air dryer according to claim 1, wherein the bottom end of the water pipe a (5) is fixedly connected with the inner wall of the top of the water purification tank (6), the water purification tank (6) comprises a tank body (6-1), the inner wall of the upper end of the tank body (6-1) is fixedly provided with a filter screen b (6-2), the lower end of the filter screen b (6-2) is provided with an activated carbon adsorption plate (6-3), the filter screen b (6-2) and the activated carbon adsorption plate (6-3) are both connected with a fixed slide rail (6-4), and the filter screen b (6-2) and the activated carbon adsorption plate (6-3) are both drawable out of the outer wall of the front end of the water purification tank (6).

7. The water discharge device for the refrigeration type compressed air dryer according to claim 6, wherein the water pump (6-5) is fixed on the outer wall of the left side end of the box body (6-1), the water pipe b is arranged at the bottom of the inner wall of the left side end of the box body (6-1), the other end of the water pipe b is fixedly connected with the bottom end of the water pump (6-5), the water pipe c is fixed at the top end of the water pump (6-5), and the other end of the water pipe c is fixedly connected with the outer wall of the upper end of the water pipe a (5).