CN212838353U - Screw vacuum pump is used in dichloropropanol production - Google Patents
Screw vacuum pump is used in dichloropropanol production Download PDFInfo
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- CN212838353U CN212838353U CN202020985802.3U CN202020985802U CN212838353U CN 212838353 U CN212838353 U CN 212838353U CN 202020985802 U CN202020985802 U CN 202020985802U CN 212838353 U CN212838353 U CN 212838353U
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Abstract
The utility model discloses a screw vacuum pump for producing dichloropropanol, relating to the technical field of dichloropropanol production equipment; the air-guiding pump is characterized by further comprising a conical table which is positioned at one end of the pump body and is convenient for guiding by utilizing air flow coming out of the air outlet, a flow guiding sleeve which is sleeved on the pump body, and a necking section which is positioned at one end of the flow guiding sleeve and is used for matching with the air flow coming out of the air outlet so as to take away air between the pump body and the flow guiding sleeve; the air outlet is positioned at the vertex of the frustum. The air flow that the gas outlet came out takes away its near air for near the throat section forms the negative pressure, thereby makes the air between the pump body and the water conservancy diversion cover flow away from the throat section, takes away the heat on the pump body, has promoted the thermal diffusivity.
Description
Technical Field
The utility model belongs to the technical field of dichloropropanol production facility, in particular to screw vacuum pump is used in dichloropropanol production.
Background
The original water jet pump that uses of dichloro refining system carries out the evacuation, because receive water temperature and material medium influence vacuum one and reach not to ideal effect, influence the productivity and promote to produce a large amount of waste water, cause the sewage treatment difficulty, and in case the vacuum pump goes wrong or jump stops, can lead to system's vacuum to break off immediately, a large amount of water suck-back to the backward flow jar, cause system's material pollution. Therefore, the problem is solved, the waste water amount can be reduced, the material waste is reduced, and the improvement of the productivity is facilitated.
Adopt screw vacuum pump can solve above problem, but current screw vacuum pump radiating effect is poor, can't satisfy the demand of long-time operation.
Chinese patent application No.: CN 201520864104.7; the utility model relates to a can clear up screw vacuum pump of dust, both ends difference seal installation have front end housing and rear end cap around the pump body of vacuum pump, are equipped with the spiral rotor that the pivot extends preceding, in the rear end cap respectively in the pump chamber of the pump body, one side that is close to the front end housing on the pump body is equipped with the air inlet with the pump chamber intercommunication, is equipped with the exhaust flow way with the pump chamber intercommunication on the rear end cap, is equipped with the gas vent on the exhaust flow way, the last certain radian of every of spiral rotor is equipped with one and scrapes the. The invention has simple structure, but poor heat dissipation effect.
As another example, application No.: CN 201920577575.8: the improved screw vacuum pump comprises a vacuum pump body and a bottom plate, wherein in the using process of the screw vacuum pump body, a blocking plug is moved out, vinegar in a glass funnel is removed by opening a valve, a connecting pipe to be connected is butted with a discharging pipe and an inlet on the screw vacuum pump body, and the screw vacuum pump body is opened for use and used for a long time, so that the dirt and scale on the inner side wall of the discharging pipe can be treated more cleanly, the operation process is simple and convenient, and the screw vacuum pump can be used for a long time; the dust shield is sleeved on the outer surface of the screw vacuum pump body, so that dust is accumulated on the surface of the screw vacuum pump body when the screw vacuum pump is not used, and the dust shield is sleeved on the screw vacuum pump body through the interface and the wiring port arranged on the dust shield and can be normally used, so that dust is not accumulated in the using process; through the locking universal wheel that U-shaped pull rod and bottom plate are connected, be convenient for transport facilitates the use. The scheme still has poor heat dissipation effect.
Disclosure of Invention
The utility model aims at overcoming that prior art radiating effect is poor, providing a screw vacuum pump is used in dichloropropanol production, the radiating effect is good.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a screw vacuum pump for producing dichloropropanol comprises a pump body, a screw rotatably connected in the pump body, an air inlet positioned at one end of the pump body, an air outlet positioned at the other end of the pump body, and is characterized by also comprising a conical frustum positioned at one end of the pump body and convenient for guiding flow by utilizing air flow coming out of the air outlet, a flow guide sleeve sleeved on the pump body, and a necking section positioned at one end of the flow guide sleeve and used for matching with the air flow coming out of the air outlet so as to take away air between the pump body and the flow guide sleeve; the air outlet is positioned at the vertex of the frustum. The air flow that the gas outlet came out takes away its near air for near the throat section forms the negative pressure, thereby makes the air between the pump body and the water conservancy diversion cover flow away from the throat section, takes away the heat on the pump body, has promoted the thermal diffusivity.
Preferably, the guide sleeve is connected with the pump body through a connecting piece.
Preferably, the connector is made of copper. Copper has good thermal conductivity and is beneficial to heat dissipation.
Preferably, the air inlet is connected with an air inlet pipe, and the air inlet pipe penetrates through the flow guide sleeve.
Preferably, the air inlet pipe and the air inlet are detachably connected. The intake pipe is convenient to detach and mount.
Preferably, the flow guide sleeve is made of aluminum alloy. And (4) rust prevention.
Preferably, the pump body is made of aluminum alloy. And (4) rust prevention.
The utility model has the advantages that: the utility model provides a screw vacuum pump is used in dichloropropanol production, the radiating effect is good. The stability is good.
Drawings
Fig. 1 is a schematic view of the present invention.
In the figure: the pump body 1, screw rod 2, air inlet 3, gas outlet 4, frustum 5, water conservancy diversion cover 6, throat section 7, connecting piece 8, intake pipe 9.
Detailed Description
The invention will be further explained in detail with reference to the drawings and the following detailed description:
example (b):
referring to fig. 1, a screw vacuum pump for producing dichloropropanol comprises a pump body 1, a screw 2 rotatably connected in the pump body 1, an air inlet 3 positioned at one end of the pump body 1, an air outlet 4 positioned at the other end of the pump body 1, a conical frustum 5 positioned at one end of the pump body 1 and convenient for guiding by using air flow coming out of the air outlet 4, a flow guide sleeve 6 sleeved on the pump body 1, and a necking section 7 positioned at one end of the flow guide sleeve 6 and used for matching with the air flow coming out of the air outlet 4 so as to take away air between the pump body 1 and the flow guide sleeve 6; the air outlet 4 is positioned at the vertex of the frustum 5. The flow guide sleeve 6 is made of aluminum alloy. The pump body 1 is made of aluminum alloy.
The guide sleeve 6 is connected with the pump body 1 by a connecting piece 8. The connecting piece 8 is made of copper. The air inlet 3 is connected with an air inlet pipe 9, and the air inlet pipe 9 penetrates through the flow guide sleeve 6. The air inlet pipe 9 and the air inlet 3 are detachably connected.
Principle of embodiment:
after the screw rod 2 rotates, air enters the pump body 1 from the air inlet pipe 9 and then comes out from the air outlet 4, and the air around the air is taken away by the coming air flow, so that negative pressure is formed near the necking section 7, and finally, the pump body 1 and the flow guide sleeve 6 are continuously taken out from the necking section 7, and then the heat on the outer surface of the pump body 1 is taken away. The heat dissipation is greatly improved.
Claims (7)
1. A screw vacuum pump for producing dichloropropanol comprises a pump body, a screw rotatably connected in the pump body, an air inlet positioned at one end of the pump body, an air outlet positioned at the other end of the pump body, and is characterized by also comprising a conical frustum positioned at one end of the pump body and convenient for guiding flow by utilizing air flow coming out of the air outlet, a flow guide sleeve sleeved on the pump body, and a necking section positioned at one end of the flow guide sleeve and used for matching with the air flow coming out of the air outlet so as to take away air between the pump body and the flow guide sleeve;
the air outlet is positioned at the vertex of the frustum.
2. The screw vacuum pump for producing dichloropropanol according to claim 1, wherein the guide sleeve is connected with the pump body through a connecting piece.
3. The screw vacuum pump for dichloropropanol production according to claim 2, wherein the connecting piece is made of copper.
4. The screw vacuum pump for producing dichloropropanol according to claim 1, wherein the air inlet is connected with an air inlet pipe, and the air inlet pipe penetrates through the flow guide sleeve.
5. The screw vacuum pump for producing dichloropropanol according to claim 4, wherein the air inlet pipe and the air inlet are detachably connected.
6. The screw vacuum pump for producing dichloropropanol according to claim 1, wherein the flow guide sleeve is made of aluminum alloy.
7. The screw vacuum pump for producing dichloropropanol according to claim 1, wherein the pump body is made of aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020985802.3U CN212838353U (en) | 2020-06-02 | 2020-06-02 | Screw vacuum pump is used in dichloropropanol production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020985802.3U CN212838353U (en) | 2020-06-02 | 2020-06-02 | Screw vacuum pump is used in dichloropropanol production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212838353U true CN212838353U (en) | 2021-03-30 |
Family
ID=75170317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020985802.3U Active CN212838353U (en) | 2020-06-02 | 2020-06-02 | Screw vacuum pump is used in dichloropropanol production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212838353U (en) |
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2020
- 2020-06-02 CN CN202020985802.3U patent/CN212838353U/en active Active
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