CN211202302U - Multistage roots pump vacuum economizer system - Google Patents
Multistage roots pump vacuum economizer system Download PDFInfo
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- CN211202302U CN211202302U CN201920783831.9U CN201920783831U CN211202302U CN 211202302 U CN211202302 U CN 211202302U CN 201920783831 U CN201920783831 U CN 201920783831U CN 211202302 U CN211202302 U CN 211202302U
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Abstract
The utility model discloses a multistage lobe pump vacuum economizer system belongs to evacuation technical field. The method comprises the following steps: vacuum tank, a plurality of roots vacuum pump, a plurality of motor and frame, a plurality of roots vacuum pump install in the frame, and each motor is connected with one of them roots vacuum pump drive, and a plurality of roots vacuum pump pass through pipeline and vacuum tank intercommunication. The utility model provides a pair of multistage roots pump vacuum economizer system utilizes the efficient characteristics of roots vacuum pump, adopts multistage roots vacuum pump to share pressure differential jointly to realized can be on the basis of guaranteeing reliable operation further energy saving, reduce the emission, thereby realize reduce cost, environmental protection.
Description
Technical Field
The utility model relates to an evacuation technical field specifically relates to a multistage lobe pump vacuum economizer system.
Background
At present, a liquid ring vacuum pump system is generally used in the desulfurization process application of a power plant. Although the system can meet the vacuum degree requirement in the current power plant desulfurization process application, in the working condition of the power plant desulfurization process, a single liquid ring vacuum pump system has the advantages of large power consumption, large water consumption, large floor area, large noise and high maintenance cost.
SUMMERY OF THE UTILITY MODEL
The system is mainly applied to the process of vacuumizing the gypsum dehydrator in the desulfurization process of a power plant, can reduce energy consumption, can save water for a full-dry system, and can improve the stability and reliability of the vacuumizing system.
The specific technical scheme is as follows:
a multi-stage roots pump vacuum energy-saving system comprises: vacuum tank, a plurality of roots vacuum pump, a plurality of motor and frame, a plurality of roots vacuum pump install in the frame, and each motor is connected with one of them roots vacuum pump drive, and a plurality of roots vacuum pump pass through pipeline and vacuum tank intercommunication.
Among the foretell multistage lobe pump vacuum economizer system, still have such characteristic, a plurality of lobe pumps divide into a plurality of grades, and adjacent two-stage lobe vacuum pump is established ties each other, communicate each other through the pipeline between the adjacent lobe vacuum pump, and the induction port of the lobe vacuum pump that is located the head end passes through pipeline and vacuum tank intercommunication.
In the aforesaid multistage roots pump vacuum economizer system, still have such characteristic, each grade roots vacuum pump can be single roots vacuum pump or many roots vacuum pumps are parallelly connected, and communicates each other through the pipeline between the adjacent roots vacuum pump.
In the vacuum energy-saving system of the multistage roots pump, the vacuum energy-saving system is further characterized in that a blocking device filled with particulate matters is arranged inside the vacuum tank.
The vacuum energy-saving system of the multistage roots pump is characterized by further comprising a plurality of heat exchangers, and the heat exchangers are arranged between every two adjacent stages of roots vacuum pumps.
In the vacuum energy-saving system of the multistage roots pump, the rack is a profile steel welding part.
In the vacuum energy-saving system of the multi-stage roots pump, the vacuum energy-saving system is also characterized in that the motors are in communication connection with a control system.
In the vacuum energy-saving system of the multistage roots pump, the vacuum energy-saving system is further characterized in that the outer side of each roots vacuum pump is connected with a motor.
In the vacuum energy-saving system of the multi-stage roots pump, the vacuum energy-saving system also has the characteristic that the roots vacuum pump can be any type of roots vacuum pump, including but not limited to a common double-blade roots pump, an air-cooled roots pump and the like.
The vacuum energy-saving system of the multistage roots pump is characterized by further comprising pressure and temperature instruments, wherein the pressure and temperature instruments are connected in series in each pipeline and used for monitoring the running state of system equipment.
The positive effects of the technical scheme are as follows:
the utility model provides a pair of multistage roots pump vacuum economizer system in power plant desulfurization gypsum dehydration technology, utilizes the efficient characteristics of roots vacuum pump, adopts multistage roots vacuum pump to share pressure differential jointly to realized can be in the basis of guaranteeing reliable operation go up further energy saving, reduce the emission, thereby realize reduce cost, environmental protection.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a vacuum energy-saving system of a multistage roots pump of the present invention.
In the drawings: 1. a Roots vacuum pump I; 2. a Roots vacuum pump II; 3. a motor; 4. a pipeline; 5. and (4) a vacuum tank.
Detailed Description
In order to make the utility model realize that technical means, creation characteristics, achievement purpose and efficiency are easily understood and known, following embodiment combines the attached figure 1 right the utility model provides a pair of multistage lobe pump vacuum economizer system does specifically expounded.
Fig. 1 is a schematic structural diagram of an embodiment of a vacuum energy-saving system of a multi-stage roots pump according to the present invention; in this embodiment, the multistage roots pump vacuum energy-saving system mainly includes a roots vacuum pump 1, a roots vacuum pump 2, a motor 3, a pipe 4, and a vacuum tank 5.
The utility model provides an among the multistage lobe pump vacuum economizer system, this system mainly is applied to in the process of power plant desulfurization technology gypsum hydroextractor evacuation, and roots vacuum pump 1 and roots vacuum pump two 2 are installed in the frame, and two motors 3 are connected with roots vacuum pump 1, the drive of roots vacuum pump two 2 respectively, and the rotor that drives in the roots vacuum pump by the motor rotates, and roots vacuum pump 1, roots vacuum pump two 2 are through pipeline 4 and 5 intercommunications in the vacuum tank.
In a preferred embodiment, as shown in fig. 1, a plurality of the roots vacuum pumps are divided into two stages, including a first roots vacuum pump 1 and a second roots vacuum pump 2, wherein the first roots vacuum pump 1 and the second roots vacuum pump 2 are connected in series, the two pump bodies are communicated with each other through a pipe 4, the suction port of the first head roots vacuum pump 1 is communicated with the vacuum tank 5 through a pipe 4, and the suction port of the first head roots vacuum pump 1 is communicated with the vacuum tank 5 through a pipe.
In a preferred embodiment, the first roots vacuum pump 1 or the second roots vacuum pump 2 may be a single roots vacuum pump or a plurality of roots vacuum pumps connected in parallel, and adjacent roots vacuum pumps in each stage are communicated with each other through a pipeline.
In a preferred embodiment, as shown in fig. 1, the vacuum tank 5 is a gypsum dewatering machine vacuum tank, and a particulate matter blocking device is installed inside the vacuum tank 5 to prevent foreign matters from entering the roots vacuum pump and to prevent the foreign matters from affecting the operation of the roots vacuum pump.
In a preferred embodiment, as shown in fig. 1, a plurality of heat exchangers are further included, and a heat exchanger is arranged between every two adjacent roots vacuum pumps (1, 2) to dissipate heat in a connecting pipeline into air so as to avoid excessive concentration of heat in the roots vacuum pumps to influence the normal operation of the roots vacuum pumps.
In a preferred embodiment, as shown in FIG. 1, the frame is a formed steel weldment.
In a preferred embodiment, as shown in fig. 1, the two motors 3 are connected in communication with a control system (not shown), and the control system can control the opening and closing of the two motors 3 in a unified manner.
In a preferred embodiment, as shown in fig. 1, a motor 3 is connected to the outside of each roots vacuum pump (1, 2).
In a preferred embodiment, as shown in fig. 1, the roots vacuum pump may be any type of roots vacuum pump, and the roots vacuum pump is an air-cooled roots vacuum pump; or the Roots vacuum pump is a water-cooled Roots vacuum pump; or the Roots vacuum pump is a rotor internal cooling type Roots vacuum pump; or the Roots vacuum pump is a rotor oil film cooling type Roots vacuum pump, and preferably an air cooling type Roots vacuum pump is adopted. The cooling method can effectively disperse the amount of the rotor of the roots pump generated in the compressed gas.
In a preferred embodiment, as shown in fig. 1, the system further comprises a pressure and temperature meter connected in series in each pipeline for monitoring the operation state of each device of the system.
In the following description, a specific embodiment is described, and it should be noted that the structures, processes and materials described in the following embodiment are only used to illustrate the feasibility of the embodiment, and are not intended to limit the scope of the present invention.
This multistage lobe pump vacuum economizer system, adopt two poles of the earth roots vacuum pump to establish ties and set up, roots vacuum pump one and roots vacuum pump two are by a motor drive respectively, wherein roots vacuum pump one, roots vacuum pump two and two motors are installed in the frame, and roots vacuum pump one's induction port is connected with gypsum dewatering machine's vacuum system (being the vacuum tank), roots vacuum pump one's gas vent passes through the pipeline intercommunication with roots vacuum pump two's induction port, in addition roots vacuum pump one and roots vacuum pump two's gas vent is provided with the heat exchanger, a heat for dispelling in the roots vacuum pump, utilize the efficient characteristics of roots vacuum pump, adopt two-stage roots vacuum pump to share pressure differential jointly, thereby realized can be on the basis of guaranteeing reliable operation further the energy saving, reduce the emission, thereby realize reduce cost, the environmental protection.
The above is only a preferred embodiment of the present invention, and not intended to limit the scope of the invention, and it should be appreciated by those skilled in the art that various equivalent substitutions and obvious changes made in the specification and drawings should be included within the scope of the present invention.
Claims (10)
1. The utility model provides a multistage lobe pump vacuum economizer system which characterized in that includes: the vacuum pump comprises a vacuum tank, a plurality of roots vacuum pumps, a plurality of motors and a rack, wherein the roots vacuum pumps are installed on the rack, each motor is in driving connection with one of the roots vacuum pumps, and the roots vacuum pumps are communicated with the vacuum tank through pipelines.
2. The vacuum energy-saving system for the multistage roots pumps as claimed in claim 1, wherein the roots pumps are divided into a plurality of stages, adjacent roots vacuum pumps are connected in series, the adjacent roots vacuum pumps are communicated with each other through a pipeline, and the suction port of the roots vacuum pump at the head end is communicated with the vacuum tank through a pipeline.
3. The vacuum energy-saving system for the multistage roots pump as claimed in claim 2, wherein each stage of the roots vacuum pump can be a single roots vacuum pump or a plurality of roots vacuum pumps connected in parallel, and adjacent roots vacuum pumps are communicated with each other through pipelines.
4. The vacuum energy-saving system for the multistage roots pump as claimed in claim 1, wherein a particulate matter blocking device is arranged inside the vacuum tank.
5. The vacuum energy-saving system for the multi-stage roots pump as claimed in claim 1, further comprising a plurality of heat exchangers, wherein the heat exchangers are arranged between the adjacent two stages of the roots vacuum pumps.
6. The vacuum economizer system for multistage roots pumps as claimed in claim 1 wherein the frame is a profile steel weldment.
7. The vacuum energy saving system for multi-stage roots pumps as claimed in claim 1, wherein the plurality of motors are communicatively connected to a control system.
8. The vacuum energy-saving system for multi-stage roots pumps as claimed in claim 1, wherein the motor is connected to the outside of each roots vacuum pump.
9. The vacuum energy-saving system for the multi-stage roots pump as claimed in claim 1, wherein the roots vacuum pump can be any type of roots vacuum pump.
10. The vacuum energy-saving system for the multistage roots pump as claimed in claim 1, further comprising pressure and temperature instruments which are connected in series in each pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920783831.9U CN211202302U (en) | 2019-05-28 | 2019-05-28 | Multistage roots pump vacuum economizer system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920783831.9U CN211202302U (en) | 2019-05-28 | 2019-05-28 | Multistage roots pump vacuum economizer system |
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| CN211202302U true CN211202302U (en) | 2020-08-07 |
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| CN201920783831.9U Active CN211202302U (en) | 2019-05-28 | 2019-05-28 | Multistage roots pump vacuum economizer system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360112A (en) * | 2019-05-28 | 2019-10-22 | 上海伊莱茨真空技术有限公司 | A kind of multi-stage roots pump vacuum energy-saving system |
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2019
- 2019-05-28 CN CN201920783831.9U patent/CN211202302U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360112A (en) * | 2019-05-28 | 2019-10-22 | 上海伊莱茨真空技术有限公司 | A kind of multi-stage roots pump vacuum energy-saving system |
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