CN219452402U

CN219452402U - Cooling device of Roots water ring vacuum unit

Info

Publication number: CN219452402U
Application number: CN202320367840.6U
Authority: CN
Inventors: 薛建国
Original assignee: Jiangsu Asia Pacific Industrial Pump Technology Development Co ltd
Current assignee: Jiangsu Asia Pacific Industrial Pump Technology Development Co ltd
Priority date: 2023-03-02
Filing date: 2023-03-02
Publication date: 2023-08-01
Anticipated expiration: 2033-03-02

Abstract

The application discloses cooling device of roots water ring vacuum unit relates to vacuum pump technical field, and vacuum machine subassembly, it includes the base, the pump body is installed at the top of base, the top of the pump body is connected with the intake pipe, cooling module set up in one side of the pump body, it includes the cooling tank, and the cooling tank is installed one side at base top, the bottom of cooling tank both sides all is connected with the support column, the bottom of cooling tank is connected with the drain pipe, the top of cooling tank is provided with sprays the piece, the return bend is installed to the inner chamber of cooling tank, the return bend with be provided with the air guide between the intake pipe. This application sets up through cooling tank, support column, drain pipe, spray piece, return bend, air guide piece and air duct's cooperation, through increasing cooling module at the intake pipe front end, has reduced the temperature that gas got into the intake pipe to vacuum unit's life has been prolonged.

Description

Cooling device of Roots water ring vacuum unit

Technical Field

The application relates to the technical field of vacuum pumps, in particular to a cooling device of a Roots water ring vacuum unit.

Background

At present, the existing vacuum units in China still mainly comprise a water ring pump, a Roots pump, a claw pump and the like, the Roots vacuum unit is formed by taking the Roots pump as a main pump and taking the water ring pump as a front-stage pump in series, the mechanical vacuum pump unit is widely applied to various industrial fields of chemical industry, food, grease, electronics, metallurgy and the like, and the vacuum degree and the process load obtained according to needs are formed by combining more than two vacuum pumps.

In the process of realizing the application, the inventor finds that at least the following problems exist in the technology, the prior Roots vacuum pump is generally formed by serially connecting the front-stage vacuum pumps, in order to maintain the vacuum degree, the gap between the stator and the rotor is very small and only the micron-sized gap is formed, the temperature of gas can be increased in the operation process, and the high-temperature gas can cavitation the inner wall of the vacuum pump, so that the service life of the vacuum pump can be influenced.

Disclosure of Invention

In order to improve the problem that the prior Roots vacuum pump is generally formed by serially connecting the front-stage vacuum pumps, the vacuum pump is used for maintaining the vacuum degree, the back flow of the pumped air is prevented, the gap between the stator and the rotor is very small, only the micron-sized gap is formed, the temperature of the air is increased in the running process, the inner wall of the vacuum pump is eroded by high-temperature air, and the service life of the vacuum pump is further influenced.

The application provides a cooling device of roots water ring vacuum unit, adopts following technical scheme:

a cooling device of a Roots water ring vacuum unit comprises,

the vacuum machine assembly comprises a base, wherein the top of the base is provided with a pump body, and the top of the pump body is connected with an air inlet pipe;

the cooling assembly is arranged on one side of the pump body and comprises a cooling box, the cooling box is arranged on one side of the top of the base, support columns are connected to the bottoms of the two sides of the cooling box, a drain pipe is connected to the bottom of the cooling box, a spraying piece is arranged on the top of the cooling box, an elbow is arranged in the inner cavity of the cooling box, an air guide piece is arranged between the elbow and the air inlet pipe, and one end, away from the air guide piece, of the elbow is connected with an air guide pipe;

the collecting assembly is arranged on the base below the drain pipe and comprises a collecting piece, and a filtering piece is arranged in an inner cavity of the collecting piece.

Optionally, the bent pipe is fixed in the inner cavity of the cooling box in a rotary mode.

By adopting the technical scheme, the stay time of the high-temperature gas in the inner cavity of the bent pipe is prolonged, the contact area of cooling water and the high-temperature gas is increased, and the cooling effect of the device is improved.

Optionally, the collecting piece includes the water storage frame, the water storage frame is installed on the base of drain pipe below, the both ends of water storage frame bottom all are connected with the slider, the spout has been seted up at the top of base, the slider with sliding connection between the spout.

Through adopting above-mentioned technical scheme, can unify the collection through the water storage frame to spun cooling water, when the cooling water is collected to a certain amount, outwards stimulate the water storage frame for in the slider slippage spout, conveniently dismantle the water storage frame and shift out the cooling water.

Optionally, the filter piece includes the filter screen, the filter screen is installed the inner chamber of water storage frame, the both ends at filter screen top all are connected with the pull rod, the both ends of filter screen bottom all are connected with the connecting block, the both sides of water storage frame inner chamber all install with connecting block grafting complex connecting tank body.

Through adopting above-mentioned technical scheme, filter the impurity in the cooling water through the filter screen, when impurity piles up more, handheld pull rod department upward movement for the connecting block separates with the connecting tank body, conveniently dismantles the filter screen and clear up.

Optionally, the spray piece includes spouts the seat, it installs to spout the seat the top of cooling tank inner chamber, the bottom equidistant shower nozzle that is connected with of spouting the seat, the top of spouting the seat is connected with the feed liquor pipe, the top of feed liquor pipe stretches out the cooling tank.

Through adopting above-mentioned technical scheme, add cooling water through the feed liquor pipe, cooling water stores in spouting the seat and spouts through the shower nozzle, cools off the high temperature gas in the return bend.

Optionally, the air guide piece includes the casing, the casing is installed one side of cooler bin, negative pressure fan is installed to the inner chamber of casing, negative pressure fan's input with be connected with the exhaust tube between the return bend, negative pressure fan's output with be connected with the gas-supply pipe between the intake pipe.

Through adopting above-mentioned technical scheme, the negative pressure fan is when starting through the extraction tube to the gas in the return bend and send into in the intake pipe through the gas-supply pipe.

Optionally, the surface of cooling box articulates there is the door body, the door body with the junction of cooling box is provided with sealed pad.

Through adopting above-mentioned technical scheme, can clear up the inside return bend of cooler bin through opening the door, avoid the return bend surface to accumulate more incrustation scale as far as possible, sealed setting up of filling up has increased the leakproofness between door body and the cooler bin, avoids appearing the condition of leaking as far as possible.

Optionally, an observation window is installed on the surface of the water storage frame.

Through adopting above-mentioned technical scheme, can observe the cooling water volume of collecting in the water storage frame through the observation window.

In summary, the present application includes at least one of the following beneficial effects:

(1) Through the cooperation setting of cooler bin, support column, drain pipe, spray, return bend, air guide and air duct, through increasing cooling module at the intake pipe front end, reduced the temperature that gas got into the intake pipe to vacuum unit's life has been prolonged.

(2) Through the cooperation setting of water storage frame, slider and spout, can collect the cooling water after the blowout, when the cooling water is collected to a certain amount, outwards stimulate the water storage frame for in the slider slippage spout, conveniently dismantle the water storage frame and shift out the cooling water.

(3) Through the cooperation setting of filter screen, pull rod, connecting block and spread groove body, can filter the impurity that contains in the cooling water through the filter screen for the convenient later stage cyclic utilization of cooling water after collecting, water economy resource, through the cooperation of pegging graft of connecting block and spread groove body, be convenient for dismantle the filter screen and clear up, avoid appearing the condition of jam as far as possible.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic cross-sectional view of the present application;

FIG. 2 is a schematic elevational view of the present application;

fig. 3 is a schematic structural diagram of fig. 1 a in the present application.

In the figure:

1. a vacuum assembly; 101. a base; 102. a pump body; 103. an air inlet pipe;

2. a cooling assembly; 201. a cooling box; 2011. a door body; 202. a support column; 203. a drain pipe; 204. a spray member; 2041. a spraying seat; 2042. a spray head; 2043. a liquid inlet pipe; 205. bending the pipe; 206. an air guide; 2061. a housing; 2062. a negative pressure fan; 2063. an exhaust pipe; 2064. a gas pipe; 207. an air duct;

3. a collection assembly; 301. a collection member; 3011. a water storage frame; 30111. an observation window; 3012. a slide block; 3013. a chute; 302. a filter; 3021. a filter screen; 3022. a pull rod; 3023. a connecting block; 3024. and the groove body is connected.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-3.

Referring to fig. 1 and 2, the utility model discloses a cooling device of a roots water ring vacuum unit, which comprises a vacuum machine assembly 1, wherein the vacuum machine assembly comprises a base 101, a pump body 102 is fixedly arranged at the top of the base 101, and an air inlet pipe 103 is fixedly connected to the top of the pump body 102.

The cooling assembly 2, cooling assembly 2 sets up in one side of the pump body 102, it includes cooling tank 201, one side at the base 101 top is installed to cooling tank 201, the equal fixedly connected with support column 202 in bottom of cooling tank 201 both sides, the bottom fixedly connected with drain pipe 203 of cooling tank 201, the top of cooling tank 201 is provided with spray piece 204, return bend 205 is installed to the inner chamber of cooling tank 201, be provided with air guide spare 206 between return bend 205 and the intake pipe 103, the return bend 205 is kept away from the one end of air guide spare 206 and is connected with air guide pipe 207.

The collection assembly 3, the collection assembly 3 is arranged on the base 101 below the drain pipe 203, and comprises a collection member 301, and a filtering member 302 is arranged in the inner cavity of the collection member 301.

Referring to fig. 1, an elbow 205 is fixed in a convoluted shape to the inner cavity of a cooling box 201. The residence time of the high-temperature gas in the inner cavity of the bent pipe 205 is prolonged, the contact area of cooling water and the high-temperature gas is increased, and the cooling effect of the device is improved.

Referring to fig. 1 and 2, the spraying member 204 includes a spraying seat 2041, the spraying seat 2041 is horizontally installed at the top of the inner cavity of the cooling tank 201, a plurality of spray heads 2042 are connected at equal intervals to the bottom of the spraying seat 2041, a liquid inlet pipe 2043 is fixedly connected to the top of the spraying seat 2041, and the top of the liquid inlet pipe 2043 extends out of the cooling tank 201. Cooling water is added through a liquid inlet pipe 2043, is stored in a spray seat 2041 and is sprayed out through a spray head 2042, and the high-temperature gas in the bent pipe 205 is cooled.

Referring to fig. 1 and 2, the air guide 206 includes a housing 2061, the housing 2061 is fixedly mounted on one side of the cooling tank 201, a negative pressure fan 2062 is fixedly mounted in an inner cavity of the housing 2061, an air extraction pipe 2063 is fixedly connected between an input end of the negative pressure fan 2062 and the bent pipe 205, and an air delivery pipe 2064 is fixedly connected between an output end of the negative pressure fan 2062 and the air inlet pipe 103. When the negative pressure fan 2062 is started, the gas in the bent pipe 205 is extracted through the extraction pipe 2063 and is sent into the gas inlet pipe 103 through the gas pipe 2064.

Referring to fig. 2, a door 2011 is hinged to a surface of the cooling box 201, and a gasket is provided at a junction of the door 2011 and the cooling box 201. The bent pipe 205 in the cooling box 201 can be cleaned by opening the door 2011, so that more scale is prevented from accumulating on the surface of the bent pipe 205 as much as possible, and the sealing gasket is arranged, so that the tightness between the door 2011 and the cooling box 201 is improved, and the situation of water leakage is prevented as much as possible.

The specific implementation principle is as follows: when the device is used, an external power supply is connected with the air duct 207 and an external pipeline, high-temperature gas enters the elbow 205 through the air duct 207, cooling water is added through the liquid inlet pipe 2043, the cooling water enters the spray seat 2041 for storage and is sprayed out through the spray head 2042, the high-temperature gas in the elbow 205 is cooled, the contact area between the cooling water and the high-temperature gas is increased due to the fact that the elbow 205 is arranged in a rotary mode, the cooling effect of the device on the high-temperature gas is improved, then the negative pressure fan 2062 is started, the negative pressure fan 2062 extracts the high-temperature gas through the air exhaust pipe 2063 and is conveyed into the air inlet pipe 103 through the air conveying pipe 2064, the temperature of the gas entering the air inlet pipe 103 is reduced, the service life of a vacuum unit is prolonged, and the sprayed cooling water is finally discharged out of the cooling box 201 through the drain pipe 203.

Referring to fig. 1 and 2, in this embodiment, based on the same concept as that of the first embodiment, the cooling device of the Roots water ring vacuum unit further includes a collecting member 301 including a water storage frame 3011, where the water storage frame 3011 is mounted on the base 101 below the drain pipe 203, two ends of the bottom of the water storage frame 3011 are fixedly connected with a slide block 3012, a slide groove 3013 is formed at the top of the base 101, and the slide block 3012 is slidably connected with the slide groove 3013. Can unify the collection through water storage frame 3011 to spun cooling water, when the cooling water was collected to a certain amount, outwards pulled water storage frame 3011 for in the slider 3012 slippage spout 3013, conveniently dismantle water storage frame 3011 and shift out the cooling water.

Referring to fig. 2, a surface of the water storage frame 3011 is mounted with a viewing window 30111. The cooling water amount collected in the water storage frame 3011 can be observed through the observation window 30111.

The specific implementation principle is as follows: the spun cooling water is unified through water storage frame 3011 to observe the inside water yield of water storage frame 3011 through observation window 30111, when the cooling water is collected soon and is full, outwards stimulate water storage frame 3011, water storage frame 3011 drives slider 3012 and outwards slides, until slider 3012 slips in follow spout 3013, thereby can dismantle water storage frame 3011 and shift out the cooling water, conveniently recycle to the cooling water, avoids the waste of water resource as far as possible.

Referring to fig. 1 and 3, in this embodiment, based on the same concept as the first embodiment, the cooling device of the Roots water ring vacuum unit further includes that the filter 302 includes a filter screen 3021, the horizontal filter screen 3021 is installed in the inner cavity of the water storage frame 3011, two ends of the top of the filter screen 3021 are fixedly connected with a pull rod 3022, two ends of the bottom of the filter screen 3021 are fixedly connected with a connection block 3023, and two sides of the inner cavity of the water storage Shui Kuang 3011 are respectively installed with a connection groove 3024 in a plug-in fit with the connection block 3023. Impurity in the cooling water is filtered through the filter screen 3021, when impurity piles up more, handheld pull rod 3022 department upwards moves for connecting block 3023 and connection cell body 3024 separation, conveniently dismantle filter screen 3021 and clear up.

The specific implementation principle is as follows: when cooling water passes through filter screen 3021, can filter the impurity that contains in the water, impurity piles up at filter screen 3021 top, and when impurity pile up more, staff holds pull rod 3022 department and upwards pulls, and pull rod 3022 drives filter screen 3021 and upwards moves for connecting block 3023 and connection cell body 3024 separation, thereby can take out filter screen 3021 from water storage frame 3011 and clear up, avoid using as far as possible to appear blocking up, and then influence the cooling water and pass through.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The utility model provides a cooling device of roots's water ring vacuum unit which characterized in that: comprising the steps of (a) a step of,

the vacuum machine assembly (1) comprises a base (101), wherein a pump body (102) is installed at the top of the base (101), and an air inlet pipe (103) is connected to the top of the pump body (102);

the cooling assembly (2), cooling assembly (2) set up in one side of the pump body (102), it includes cooling box (201), cooling box (201) are installed one side at base (101) top, the bottom of cooling box (201) both sides all is connected with support column (202), the bottom of cooling box (201) is connected with drain pipe (203), the top of cooling box (201) is provided with spray piece (204), return bend (205) are installed to the inner chamber of cooling box (201), return bend (205) with be provided with air guide (206) between intake pipe (103), return bend (205) are kept away from one end of air guide (206) is connected with air duct (207);

the collecting assembly (3), the collecting assembly (3) is arranged on the base (101) below the drain pipe (203), the collecting assembly comprises a collecting piece (301), and a filtering piece (302) is arranged in an inner cavity of the collecting piece (301).

2. The cooling device of the Roots water ring vacuum unit according to claim 1, wherein: the bent pipe (205) is fixed in the inner cavity of the cooling box (201) in a rotary mode.

3. The cooling device of the Roots water ring vacuum unit according to claim 1, wherein: the collecting piece (301) comprises a water storage frame (3011), the water storage frame (3011) is installed on a base (101) below the drain pipe (203), two ends of the bottom of the water storage frame (3011) are connected with sliding blocks (3012), sliding grooves (3013) are formed in the top of the base (101), and the sliding blocks (3012) are connected with the sliding grooves (3013) in a sliding mode.

4. A cooling device for a roots water ring vacuum unit according to claim 3, wherein: the filter element (302) comprises a filter screen (3021), the filter screen (3021) is installed in an inner cavity of a water storage frame (3011), pull rods (3022) are connected to two ends of the top of the filter screen (3021), connecting blocks (3023) are connected to two ends of the bottom of the filter screen (3021), and connecting groove bodies (3024) which are in plug connection with the connecting blocks (3023) are arranged on two sides of the inner cavity of the water storage frame (3011).

5. The cooling device of the Roots water ring vacuum unit according to claim 1, wherein: the spraying piece (204) comprises a spraying seat (2041), the spraying seat (2041) is installed at the top of an inner cavity of the cooling box (201), a spray head (2042) is connected to the bottom of the spraying seat (2041) at equal intervals, a liquid inlet pipe (2043) is connected to the top of the spraying seat (2041), and the top of the liquid inlet pipe (2043) extends out of the cooling box (201).

6. The cooling device of the Roots water ring vacuum unit according to claim 1, wherein: the air guide piece (206) comprises a shell (2061), the shell (2061) is installed on one side of the cooling box (201), a negative pressure fan (2062) is installed in an inner cavity of the shell (2061), an exhaust pipe (2063) is connected between an input end of the negative pressure fan (2062) and the bent pipe (205), and an air delivery pipe (2064) is connected between an output end of the negative pressure fan (2062) and the air inlet pipe (103).

7. The cooling device of the Roots water ring vacuum unit according to claim 1, wherein: the surface of cooling box (201) articulates there is a door body (2011), the junction of door body (2011) with cooling box (201) is provided with sealed pad.

8. The cooling device of the Roots water ring vacuum unit according to claim 4, wherein: an observation window (30111) is arranged on the surface of the water storage frame (3011).